Jet Tools Planer JWP 16OS User Manual
OWNER’S MANUAL  
JWP-16OS Woodworking Planer  
WMH Tool Group  
Consumer Woodworking Division  
2420 Vantage Drive  
Elgin, IL 60123  
Ph: 888-594-5866 ▪ Fax: 800-626-9676  
www.wmhtoolgroup.com  
M-708531 Rev A 10/03  
Copyright © WMH Tool Group  
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Table of Contents  
Warranty........................................................................................................................................................2  
Table of Contents..........................................................................................................................................3  
Warning.........................................................................................................................................................5  
Safety Decals ............................................................................................................................................6  
Features of the JWP-16OS Planer ...............................................................................................................7  
Specifications................................................................................................................................................7  
Receiving.......................................................................................................................................................8  
Parts Inventory ..........................................................................................................................................8  
Assembly.......................................................................................................................................................9  
Stand Assembly.........................................................................................................................................9  
Planer Unit Placement...............................................................................................................................9  
Starter Box...............................................................................................................................................10  
Handwheel...............................................................................................................................................10  
Extension Rollers.....................................................................................................................................10  
Dust Collection Hood...............................................................................................................................10  
Electrical Connections.................................................................................................................................11  
Extension Cords ......................................................................................................................................11  
Adjustments ................................................................................................................................................11  
Overview..................................................................................................................................................11  
Control and Adjustments.........................................................................................................................11  
Pulleys and Belts.....................................................................................................................................12  
Pulley Alignment......................................................................................................................................12  
Belt Tension.............................................................................................................................................12  
Table Rollers ...........................................................................................................................................13  
Extension Roller ......................................................................................................................................13  
Depth of Cut Adjustment .........................................................................................................................14  
Knife Adjustment .....................................................................................................................................14  
Removing and Replacing Knives ............................................................................................................15  
Table Adjustment.....................................................................................................................................16  
Checking Work Table Parallel to Cutterhead..........................................................................................16  
Adjusting Work Table Parallel to Cutterhead (Fine Adjustment).............................................................17  
Adjusting Work Table Parallel to Cutterhead (Major Adjustment)...........................................................17  
Transmitting Rollers.................................................................................................................................18  
Infeed & Outfeed Roller Spring Tension Adjustment ..............................................................................18  
Anti-Kickback...........................................................................................................................................18  
Checking and Adjusting the Feed Roller Height .....................................................................................19  
Gearbox...................................................................................................................................................20  
Operation.....................................................................................................................................................20  
Table Locks .............................................................................................................................................20  
Power Feed .............................................................................................................................................21  
Handwheel...............................................................................................................................................21  
Depth Limiter ...........................................................................................................................................21  
Initial Startup............................................................................................................................................21  
Maintenance................................................................................................................................................22  
General....................................................................................................................................................22  
Sharpening Knives ..................................................................................................................................22  
Lubrication...................................................................................................................................................23  
Optional Accessories ..................................................................................................................................24  
Troubleshooting ..........................................................................................................................................25  
Performance Troubleshooting.................................................................................................................25  
Mechanical Troubleshooting ...................................................................................................................26  
Parts List for the JWP-16OS Planer ...........................................................................................................27  
Head Assembly .......................................................................................................................................27  
Head Assembly Parts List .......................................................................................................................28  
Base Assembly........................................................................................................................................30  
Base Assembly Parts List........................................................................................................................30  
Gear Box Assembly.................................................................................................................................32  
Gear Box Assembly Parts List.................................................................................................................33  
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Stand Assembly.......................................................................................................................................34  
Stand Assembly Parts List ......................................................................................................................34  
Electrical Schematic for JWP-16OS Planer................................................................................................35  
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Warning  
1. Read the manual. Always read the owner’s manual carefully before attempting to use the machine.  
Know the limitations and hazards associated with the use of this planer.  
2. Installation. If mounting machine to the floor, use high quality anchor bolts through the mounting  
holes on the base. If using a mobile base, be sure to lock the wheels.  
3. Eye protection. Always wear approved safety goggles, glasses, or a face shield when operating this  
machine. NOTE: Common eyeglasses are only impact resistant; they are not safety glasses. Also use  
face or dust mask if the cutting operation is dusty.  
4. Dress code. Do not wear loose clothing, neckties, jewelry, or gloves that can get caught in moving  
parts. Confine long hair. Keep sleeves above the elbow.  
5. Placement. Place machine so that potential kickback area is not in line with aisles, doorways, wash  
stations or other work areas. Do not use machine in a damp or wet location, or expose to rain. Keep  
work area well lighted.  
6. Electrical grounding. Your machine must be electrically grounded. If a cord and plug are used,  
make certain the grounding lug connects to a suitable ground. Follow the grounding procedure  
indicated by the National Electrical Code.  
7. Guards. Be sure machine guards are in place and in good working order. Do not operate while gear  
cover is open. If a guard must be removed for adjustments or maintenance, it should be reinstalled  
immediately upon completion of the procedure and before operating the machine.  
8. Housekeeping. Before turning on machine, remove all extra equipment such as keys, wrenches,  
scrap, stock, and cleaning rags from the machine. Keep the area around machine clean and free of  
scrap material and sawdust to minimize the danger of slipping.  
9. Power off. Make sure the machine is either unplugged or electrically disconnected and locked out  
when performing maintenance or service work. Also, make sure switch is in OFF position before  
plugging in power cord. Never leave the machine running unattended. Do not leave machine until it  
comes to a complete stop.  
10. Cutterhead. Keep knives sharp and free of all rust and pitch. Make sure gib screws are tightened  
securely.  
11. Work piece. Check material for loose knots, nails and other defects that can damage knives and  
pose a safety hazard for the operator.  
12. Keep hands away from feed rollers and cutterhead while operating.  
13. Use the proper extension cord. Make sure your extension cord is in good condition. When using an  
extension cord, be sure to use one heavy enough to carry the current your product will draw. An  
undersize cord will cause a drop in line voltage resulting in loss of power and overheating. For runs  
up to 25 feet, use an 18 AWG or larger gauge cord.  
14. Do not operate this machine while under the influence of drugs, alcohol or any medication.  
15. If you are not thoroughly familiar with the operation of wood planers, obtain advice from your  
supervisor, instructor or other qualified person.  
16. Health hazards.  
Some dust created by power sanding, sawing, grinding, drilling and other  
construction activities contains chemicals known to cause cancer, birth defects or other reproductive  
harm. Some examples of these chemicals are:  
•
•
•
Lead from lead-based paint.  
Crystalline silica from bricks and cement and other masonry products.  
Arsenic and chromium from chemically treated lumber.  
17. Your risk from these exposures varies, depending on how often you do this type of work. To reduce  
your exposure to these chemicals, work in a well-ventilated area, and work with approved safety  
equipment, such as those dust masks that are specifically designed to filter out microscopic particles.  
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Familiarize yourself with the following safety notices used in this manual.  
This means that if precautions are not heeded, it may result in serious injury or possibly even  
death.  
This means that if precautions are not heeded, it may result in minor or moderate injury and/or  
possible machine damage.  
Safety Decals  
Familiarize yourself with the location and content of these decals on your planer.  
!
6. Disconnect machine from power source before makingany  
adjustments or cleaning chips away from machine.  
7. Keep the floor around machine clean andfree from scraps,  
sawdust, oil and grease tominimize the danger ofslipping.  
8. Donot operatethismachinewhileunder theinfluenceof alcohol  
or drugs.  
1. Read instructionmanualbefore operatingmachine.  
2. Donot operatewithoutall guardsproperly installed.  
3. Removeor fasten loose articles ofclothing such as neckties, etc.  
Containlong hair.  
4. Removejewelry such asfinger rings, watches, bracelets, etc.  
5. Use approved safety glasses and/or face shield toprotecteyes, and  
use other personal safetyequipment as required. Do not wear  
gloves.  
9. Failure to comply with these warnings mayresult inserious  
personalinjury.  
DO NOT REMOVE OR OBSCURE THIS LABEL  
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Features of the JWP-16OS Planer  
Specifications  
Model Number...............................................................................................................................JWP-16OS  
Stock Number .....................................................................................................................................708531  
Maximum Planing (W/in.)............................................................................................................................ 16  
Maximum Planing Thickness (T/in.).............................................................................................................. 6  
Maximum Depth of Cut (in.) ..................................................................................................................... 3/16  
Maximum Full Width Depth of Cut (in.)...................................................................................................... 1/8  
Maximum Opening (in.)...................................................................................................................6-3/8 x 16  
Minimum Planing Length (in.) ....................................................................................................................... 8  
Knives............................................................................................................................................................ 3  
Planer Blade Size (L x W x T/in.)........................................................................................... 16-1/8 x 1 x 1/8  
Cutterhead Speed (RPM)....................................................................................................................... 4,500  
Cuts per Minute....................................................................................................................................13,500  
Cutterhead Diameter (in.)........................................................................................................................2-7/8  
Feed Rate (FPM) ................................................................................................................................16 & 20  
Dust Port Diameter (in.) ................................................................................................................................ 4  
Overall Dimensions (L x W x H/in.)............................................................................................. 48 x 32 x 51  
Motor ..................................................................................................................................... 3HP, 1Ph, 230V  
Net Weight (approx. lbs.) .......................................................................................................................... 430  
The specifications in this manual are given as general information and are not binding. WMH Tool Group  
reserves the right to effect, at any time and without prior notice, alterations to parts, fittings, and  
accessory equipment deemed necessary for any reason whatsoever.  
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Stand Assembly:  
Receiving  
4
2
2
2
1
1
1
Stand Legs  
Carefully unpack the planer and any loose items  
from the wood crate and inspect for damage.  
Any damage should be reported immediately to  
your distributor and shipping agent. Before  
proceeding further, read your manual thoroughly  
to familiarize yourself with proper assembly,  
maintenance and safety procedures.  
Stand Braces – long  
Stand Braces – short  
Stand Top – front & rear  
Stand Top – left  
Stand Top – right  
Hardware Bag, consisting of:  
32 Carriage Bolts  
32 Flat Washers  
32 Hex Nuts  
Remove the protective coating from the table,  
bed rolls, feed rolls, cutterhead and loose items  
packed with the machine, including lifting  
handles and motor pulley. This coating may be  
removed with a soft cloth moistened with  
Kerosene. Do not use acetone, gasoline or  
lacquer thinner for this purpose. Do not use  
solvents on plastic parts.  
Accessory Package:  
1
2
1
4
4
2
Handle  
Knife Gauges  
Parts Inventory  
Knife Setting Gauge Bar  
E-Rings for Knife Setting Gauge  
Hex Wrenches – 3, 4, 5, 6mm  
Open Wrenches – 8/10mm, 12/14mm  
Parts requiring assembly:  
1
1
2
1
Planer Unit  
4" Dust Hood  
In/Outfeed Extension Roller Assembly  
Handwheel  
Hardware Bag for Handwheel:  
1
1
1
M10 Hex Nut  
M10 Flat Washer  
Direction Label  
Cast Foot Assembly:  
4
1
Cast Feet  
Hardware Bag, consisting of:  
Hardware Bag for Infeed/Outfeed Extension  
Rollers  
8
8
8
Socket Head Flat Screws  
Flat Washers  
6
6
6
M8 x 20 Hex Head Screws  
M8 x 12 Set Screws  
M8 Flat Washers  
Hex Nuts  
Hardware Bag for Dust Hood:  
M6 x 12 Hex Head Screws  
6
Hardware Bag for Base to Stand:  
4
4
8
M8 x 30 Hex Head Screws  
M8 Hex Nuts  
M8 Flat Washers  
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side of the assembly using 4 ea carriage  
bolts, washers and nuts.  
Assembly  
Most of the JWP-16OS Planer has been  
assembled at the factory. However some parts  
must be assembled after delivery.  
10. Secure the remaining short stand brace (14)  
to the front and rear legs (middle mounting  
holes) on the right side of the stand with (4  
ea) carriage bolts, washers and nuts.  
11. Make sure that the stand is symmetrical and  
level. Adjust if necessary and securely  
tighten all bolts.  
Use care when cleaning the cutterhead; the  
knives are very sharp.  
12. Before mounting the planer on the stand,  
locate the stand on a solid, level foundation  
to ensure best planing performance and  
anchor to the floor with good quality lag  
screws.  
Stand Assembly  
Refer to Figure 1.  
1. Cast Foot Assembly – Using parts from the  
cast foot assembly hardware bag, mount  
casting (2) to leg (1) by inserting two socket  
head flat screws (3) through the casting (2)  
and leg (1). Place a flat washer (4) and hex  
nut (5) on the screw and tighten.  
Repeat for remaining three legs.  
2. Stand Top (front) – The front and rear top  
stands (braces) are identical except for the  
JET logo on the front piece.  
Mount one end of the stand top (6) to a leg  
(1) and fasten using two each carriage bolts  
(7), flat washers (8) and hex nuts (9).  
Note: Do not over tighten at this time. This will  
be the final step in the assembly.  
3. Fasten a second leg to the other end of the  
stand top, repeating the step above.  
4. Take one long stand brace (10) and with  
(4 ea) bolts, washers, and hex nuts fasten to  
the legs of the assembly just completed in  
the steps 2 and 3. Fasten to the mounting  
holes in the middle of each leg.  
Figure 1  
Planer Unit Placement  
5. Set this assembly aside for now.  
There are four lifting handles (Fig. 2) on the  
machine. The handles can be pulled out  
(A, Fig. 2) for use when the planer is to be lifted  
and moved and slides into the body casting  
(B, Fig. 2) when not needed.  
6. Stand Top (rear) – Repeat steps 2–4 using  
parts still remaining.  
7. Take the left stand top (11)  
Note: The right stand top (13) has a cutout  
and will be used later.  
If a sling or forklift is used to lift the machine, be  
sure to lift by the handles only. Make sure  
machine is kept in level position while lifting.  
Secure it to left side of the left legs (top  
mounting holes) of the front and rear  
assemblies previously constructed (the JET  
logo is the front) using 4 ea carriage bolts,  
flat washers and nuts.  
Set the machine on the stand that was  
assembled in the previous section, then secure  
the base to the stand using parts provided in the  
base to stand hardware bag, consisting of 4 ea  
M8 x 30 hex cap screws, 4 ea M8 hex nuts, and  
8 ea M8 flat washers.  
8. Take one short stand brace (12) and secure  
to the left legs of the front and rear assembly  
with (4 ea) carriage bolts, washers and nuts.  
9. Take the right stand top (13) – this piece has  
the cutout – and secure it to the front and  
rear legs (top mounting holes) on the right  
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5. Mount the handle (C, Fig. 4) for the  
handwheel in the threaded hole in the  
handwheel, and tighten with a wrench  
placed over the flat (12mm) on the handle.  
Figure 2  
Starter Box  
The switch assembly (starter box and bracket) is  
pre-assembled at the factory and simply needs  
to be mounted to the head casting on the left  
side of the machine with two socket head cap  
screws (A, Fig. 3) already in place the head  
casting.  
Figure 4  
Extension Rollers  
Mount two extension rollers to the table using  
the provided 6 ea M8 x 20 hex cap screws  
(12mm), 6 ea M8 flat washers, and 6 ea M8 x 12  
set screws (A, Fig. 5). The rollers should be  
adjusted before operating the planer (this will be  
explained later in the Adjustment section).  
Figure 3  
Figure 5  
Handwheel  
Dust Collection Hood  
1. Remove the tape holding the key in the  
shaft.  
Referring to Figure 6:  
The dust collection hood (A) comes standard  
with the model JWP-16OS planer, and helps  
maintain a clean and safe work area. It is  
assembled to the planer (B) with six hex head  
screws (C) as shown.  
2. Place the handwheel (B, Fig. 4) onto the  
shaft; making sure it is oriented so the  
handwheel slips over the key.  
3. Remove the adhesive backing from the  
direction label supplied with the hardware  
bag for the handwheel. Place the label onto  
the shaft and press it on the handwheel (D,  
Fig. 4).  
4. Place flat washer and hex nut on shaft and  
tighten with wrench.  
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Length of Cord  
50ft  
Rated  
Amps  
25 ft  
100ft  
0–6  
18  
18  
16  
14  
12  
16  
16  
16  
12  
12  
16  
14  
14  
12  
10  
Not  
7–10  
11–12  
13–16  
17–20  
21–30  
10  
10  
recommended  
Figure 6  
Figure 7  
Electrical Connections  
Adjustments  
Overview  
Electrical connections must be made by a  
qualified electrician in compliance with all  
relevant codes. The machine must be  
properly grounded to help prevent electrical  
shock and possible fatal injury.  
Many parts are factory adjusted. The operator  
should be familiar with the following procedures  
to gain a better understanding of the JWP-16OS  
Planer's construction and operation.  
A
power plug is not provided with the  
Control and Adjustments  
JWP-16OS planer. You may either connect a  
plug or "hard-wire" the machine directly to your  
electrical panel provided there is a disconnect  
near the machine. Consult the wiring diagrams  
at the end of this manual.  
Refer to Figure 8 for general control and  
adjustment locations for the JWP-16OS Planer  
and are also listed below.  
A – Switch  
B – Handwheel  
C – Table Rollers  
D – Feed Rate Change Knob  
E – Two Table Lock Knobs on Opposing  
Corners  
This machine must be grounded. Grounding  
provides a path of least resistance to help divert  
current away from the operator in case of  
electrical malfunction.  
Make sure the voltage of your power supply  
matches the specifications on the motor plate of  
the machine.  
Extension Cords  
The use of an extension cord is not  
recommended for this machine, but if one is  
necessary make sure the cord rating is suitable  
for the amperage listed on the machine's motor  
plate. An undersized cord will cause a drop in  
line voltage resulting in loss of power and  
overheating.  
The chart in Figure 7 shows the correct size  
cord to use based on cord length and motor  
plate amp rating. If in doubt, use the next  
heavier gauge. The smaller the gauge numbers  
the heavier the cord.  
Figure 8  
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Pulleys and Belts  
The belt and pulley assembly are on the left side  
of the planer. To inspect for pulley alignment  
and correct belt tension, remove the four hex  
head screws (10mm) holding the cover in place.  
Figure 9 shows the assembly with the cover  
removed.  
Pulley Alignment  
1. Place the edge of a metal ruler so it rests  
perpendicular against the flat sides of the  
motor and cutterhead pulleys (Fig. 11).  
Figure 11  
If the pulleys lie in straight plane (Fig. 11)  
they are aligned.  
Belt Tension  
Check the belt tension by squeezing the belts  
together in the middle (between the motor and  
cutterhead pulleys as shown in Fig. 12) with  
moderate pressure. Proper tension is indicated  
when there is approximately 1/4” deflection.  
Figure 9  
If the pulleys need to be aligned:  
2. Loosen four bolts (12mm) on the motor  
mounting base plate (Fig. 10), which will  
allow the motor to move from side-to-side.  
Figure 12  
To adjust the belt tension:  
1. Loosen the two 17mm bolts (A, Fig. 13) that  
hold the motor/pulley assembly to the  
planer.  
2. Using a lever, raise the motor to increase  
the belt tension.  
Note: Belts will rarely be too tight. Adjustment  
typically requires belt tightening.  
3. Tighten the bolts and check the belt tension  
again.  
Figure 10  
4. Verify that the pulleys are still in alignment.  
3. Adjust the motor until the pulleys are in the  
aligned position as shown in Figure 11.  
4. Re-tighten all bolts.  
12  
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Figure 15  
To adjust the rollers (refer to Figure 16):  
1. Disconnect machine from power source.  
2. Select a side (left or right) and lay a steel  
ruler or straightedge across both rollers (A).  
3. On the side selected, loosen the screws (B)  
with an Allen wrench, and turn the eccentric  
shafts (C) (12mm hex head adjustment) to  
raise or lower the rollers to the desired level.  
Figure 13  
Use  
a
feeler gauge to measure the  
Table Rollers  
clearance between the table and the bottom  
of the straightedge.  
Two table rollers (A, Fig. 14) ease stock  
movement as it is fed through the planer. The  
height of the rollers is dependent on the type of  
wood being planed. When planing rough stock,  
set the rollers slightly high to keep the lumber  
from dragging along the table. Smooth lumber  
should be planed with the rollers set just above  
the plane of the table.  
4. When the proper height is achieved, tighten  
screws (B).  
Adjust the rollers from the opposite side of the  
table in the same manner.  
Important: Measure in several places. This  
measurement must be consistent across the  
entire table.  
Figure 16  
Extension Roller  
Referring to Figure 17:  
Place a straight edge (A) over the extension  
roller (B) and the table to make sure the  
extension roller and table are at the same  
height.  
Figure 14  
The two table rollers are preset at the factory at  
0.004" above the table. The height adjustment  
range is from 0 to 0.06" (Fig. 15).  
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Note: The JWP-16OS Planer has two lock  
knobs; one is located by the handwheel  
(C, Fig. 19). The other is located on the opposite  
(left rear) corner.  
Always tighten the lock knobs before  
operating the planer.  
Figure 17  
Referring to Figure 18 – if adjustment is  
required:  
1. Adjust the tightness of the mounting bolts  
(A) and the depth of the setscrews (B) on  
the extension roller frame.  
Various combinations of loosening and/or  
tightening of the setscrews and bolts will be  
required to level the extension rollers with  
the table. Adjustment is complete when the  
straightedge is level with the table and all  
three rollers touch the bottom of the  
straightedge.  
Figure 19  
2. Adjust both front and rear extension rollers  
in the same manner.  
Knife Adjustment  
When checking or adjusting the cutterhead  
knives, proceed as follows:  
1. Disconnect machine from power source.  
2. Remove four hex cap screws (A, Fig. 20)  
from the upper cover and three from the  
bottom of the dust port. Remove the  
cover/dust port (B, Fig 20) as a unit.  
The cutterhead assembly can be seen from  
the opening on top.  
Figure 18  
Depth of Cut Adjustment  
Refer to Figure 19.  
The cutting depth scale (A) is a combination  
inch/metric scale with a cutting range from 0 to  
6” (150mm). The distance of upward or  
downward movement is controlled by the  
handwheel (B). One revolution of the handwheel  
is 0.158” (4mm). Before moving the head  
assembly up or down, loosen the lock knobs  
(C,). After obtaining the proper height for the  
head assembly, tighten the lock knobs.  
Motor assembly removed for clarity  
Figure 20  
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6. If additional knives must be reset, repeat  
steps 4 and 5 for each knife.  
Planer knives are dangerously sharp. Use  
extreme caution when inspecting, removing,  
sharpening, or replacing knives into the  
cutterhead. Failure to comply may cause  
serious injury.  
7. After all three knives are set with screws just  
snug, back out and tighten the six gib  
screws (D, Fig. 21 & Fig. 23) of the first knife  
against the slot starting with the end screws,  
then the center screws, until the knife is  
securely held in the cutterhead. Tighten  
remaining two knives in the same manner.  
3. To check and adjust the knives, use the  
provided knife gauge (Fig. 22) and check all  
three knives. Press the knife gauge against  
the cutterhead as shown in Figure 23.  
Important: Double check all gib screws for  
tightness.  
Referring to Figure 21:  
Knives (A) should just contact the bottom of  
the center protrusion (B) of the knife gauge  
(F).  
Important: Insure that the feet of the knife  
gauge sit flush against a clean surface of the  
cutterhead. Make sure that no dust, pitch, or  
lubrication buildup is present, which can cause  
errors in the knife blade settings.  
4. If an adjustment to one or more of the knives  
is necessary, slightly loosen the knife gib (C)  
by turning the six gib screws (D) into the gib.  
Turn the screws just enough to relieve  
stress in the cutterhead without disturbing  
the setting of the knives. Do this for all three  
knives at the same time.  
Figure 22  
5. With the gauge (F) in place over a knife (A)  
continue to loosen the gib screws (D) until  
the springs (E) begin raising the knife.  
When knife comes into contact with the  
center protrusion (B) of the gauge, adjust  
the jack screws higher or lower to touch the  
bottom of the knife, then snug up the gib by  
lightly backing out the six gib screws (D)  
against the slot.  
Note: At this time, only tighten the knife in the  
slot just enough to hold knife in position.  
Figure 23  
Removing and Replacing Knives  
Planer knives are dangerously sharp. Use  
extreme caution when inspecting, removing,  
sharpening, or replacing knives into the  
cutterhead. Failure to comply may cause  
serious injury.  
To remove a knife:  
1. Disconnect machine from power source.  
2. Remove four screws (A, Fig. 20) from the  
upper cover and three from the bottom of  
Figure 21  
15  
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the dust port. Remove the cover/dust port  
(Fig. 20) as a unit.  
(3 knives x 6 screws) locking screws are  
tightened securely.  
The cutterhead assembly can be seen from  
the opening on top.  
Table Adjustment  
To perform the table adjustments described in  
the next two sections, you will need a straight  
edge, feeler gauge, and a home made gauge  
block made of hardwood. Make the gauge block  
by following the dimensions shown in Fig. 24.  
Precision adjustments require accuracy when  
milling the gauge block.  
Refer to Figure 21:  
3. Loosen the gib (C) by turning the six gib  
screws (D) into the gib. Remove gib (C),  
knife (A) and springs (E).  
Note: The inner two springs may pop out  
when the knife and gib are removed.  
4. Remove the remaining two knives in the  
same manner.  
5. Thoroughly clean the knife slots, gibs,  
springs and gib screws. Check the gib  
screws; if the threads appear worn or  
stripped or if the heads are becoming  
rounded, replace them.  
6. Inspect the cutting edge of the knives for  
nicks or wire edge. It is recommended that  
knives be replaced when they become dull  
or damaged. If they are to be reused, refer  
to Sharpening Knives in the Maintenance  
Section.  
Figure 24  
Checking Work Table Parallel to  
Cutterhead  
7. Reinsert springs, knives and gib into slot of  
the cutterhead. Back out gib screws just  
enough to hold the knife in the cutterhead.  
The worktable is set parallel to the cutterhead at  
the factory and no further adjustment should be  
needed. If your machine is planing a taper, first  
check to see if the knives are set properly in the  
cutterhead. Then check to see if the worktable is  
set parallel to the cutterhead by proceeding as  
follows:  
8. Place knife gauge (Fig. 23) over knife.  
Still referring to Figure 21:  
9. While holding down on the knife gauge,  
loosen all six gib screws (D) by turning them  
into the gib (C) until cutting edge of knife  
comes into contact with the protrusion of the  
gauge (B). Adjust the jack screws higher or  
lower to touch the bottom of the knife. Snug  
up the gib by slightly backing out the six  
locking screws against the slot.  
1. Disconnect machine from power source.  
2. Turn the handwheel clockwise; raising the  
cutterhead assembly high enough to place  
the gauge block (A, Fig. 25) on the work  
table under one end of the head casting  
(B, Fig. 25).  
Note: At this time only, tighten the knife into  
the slot just enough to hold the knife in  
position.  
3. Turn the handwheel to lower the head  
assembly until the head casting body barely  
touches the gauge block. The blades should  
not touch the block.  
10. Replace and reset the other two knives by  
repeating steps 3 – 9.  
11. After all three knives are set with the screws  
just snug, back out and tighten the six  
screws (D) against the slot starting with the  
end screws first and then the center screws  
until the knife is securely held in the  
cutterhead. Tighten the remaining two  
knives in the same manner.  
4. Slide the block toward the opposite side of  
the head casting. Use a feeler gauge to  
measure the width of the gap, if any,  
between the top of the block and the bottom  
of the cutterhead. Make a note of the gap, if  
any.  
5. If the block wedges tightly between the table  
and the head casting when shifting from one  
side to the other, repeat steps 2 through 4,  
but start from the opposite end of the head  
casting.  
Important: After replacing and checking knives,  
CHECK AGAIN carefully. Make certain the  
direction of knives is correct and all eighteen  
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Figure 25  
If the gap difference from one side to the other is  
equal to or less than 0.004", no further  
adjustment is necessary  
Figure 26  
Adjusting Work Table Parallel to  
Cutterhead (Major Adjustment)  
If the gap difference from one side to the other  
side is grater than 0.004", but less than 0.016",  
go to the Adjusting Work Table Parallel to  
Cutterhead (Fine Adjustment) section.  
Refer to Figure 27.  
1. Disconnect the machine from power source.  
It the gap difference from one side to the other is  
grater than 0.016", the cutterhead assembly  
raising chain under the planer base needs to be  
adjusted – see the Adjusting Work Table Parallel  
to Cutterhead (Major Adjustment) section.  
2. On the underside of the base, remove bolt  
(A) and loosen bolt (B) which will allow you  
to move the idler sprocket assembly (C) far  
enough to release tension on the chain.  
3. Remove chain from the particular sprocket  
on the corner of the base that must be  
adjusted.  
Adjusting Work Table Parallel to  
Cutterhead (Fine Adjustment)  
If the gap difference determined in the previous  
section is greater than 0.004" and less than  
0.016", perform the adjustment procedure as  
follows:  
4. Turn the sprocket by hand to bring that  
corner into adjustment with the other three  
corners.  
Note: Turning sprocket clockwise will increase  
the distance between the working table and  
head casting; counter-clockwise will decrease  
the distance. This adjustment is very sensitive –  
one revolution of the lead screw equals 0.158”  
(4mm) of travel. It should not be necessary to  
turn the sprocket more than one or two teeth.  
1. Determine which side of the table must be  
raised to correct the gap.  
2. Locate the two socket head cap screws in  
the table casting for each of the columns (A,  
Fig. 26). Loosen both sets of screws for  
each column on the side you wish to adjust.  
5. When adjustments are correct, replace  
chain around the corner sprocket, slide  
sprocket (C) back to re-tension chain,  
tighten bolt (B) and replace and tighten  
bolt (A).  
3. Push down or pull up the cutterhead  
assembly in the desired direction. Hold the  
assembly in position and retighten the cap  
screws.  
4. Recheck the table to cutterhead parallelism  
again as described in the previous section,  
then repeat steps 1 – 3 until the deviation is  
less than 0.004".  
Note: It may be necessary to perform the Fine  
Adjustment procedure after the major to achieve  
the best result.  
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To adjust the spring tension of the infeed and  
outfeed rollers, turn screws (A, Fig. 29) with a  
hex wrench. A clockwise turn increases tension  
on the pressure spring (Fig. 30);  
a
counterclockwise turn decreases tension. Adjust  
the screws at the other end of the rollers with the  
same number of turns.  
Note: The most effective pressure settings are  
dependent on the type of lumber being planed.  
Experimentation will determine the best settings.  
Figure 27  
Transmitting Rollers  
Figure 28 show the positions of the rollers that  
are listed below and described in the following  
sections.  
Figure 29  
A
B
C
D
F
Anti Kickback Fingers  
Infeed Roller  
Chipbreaker  
Cutterhead  
Outfeed Roller  
Figure 30  
Anti-Kickback  
The JWP-16OS Planer provides an anti-  
kickback safety feature. The anti-kickback  
fingers hang from a rod suspended across the  
front of the cutterhead casting (A, Fig. 28) and  
help prevent kickback of stock. It is necessary to  
inspect them regularly to make sure they hang  
freely. Check that they are free of gum and pitch  
to insure independent movement and correct  
operation.  
Figure 28  
Infeed & Outfeed Roller Spring  
Tension Adjustment  
The infeed roller (B, Fig. 28) and outfeed roller  
(F, Fig. 28) feed the stock while it is being  
planed. The infeed and outfeed rollers are under  
spring tension and this tension must be sufficient  
to feed the stock uniformly through the planer  
without slipping but should not be so tight that it  
causes damage to the board and/or the rubber  
coating on the outfeed roller. The tension should  
be equal at both ends of each roller.  
18  
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Figure 31  
Checking and Adjusting the Feed  
Roller Height  
The infeed and outfeed rollers propel the lumber  
through the planer. The rollers also press the  
lumber flat against the planer table.  
The infeed and outfeed rollers are adjusted at  
the factory and are set at 0.020" below the knife-  
edge at bottom dead center (Fig. 31).  
Note: Before proceeding with this adjustment,  
make sure the knives are adjusted properly as  
outlined in the Knife Adjustment section.  
Remove the drive chain cover to access the  
roller adjustments on the drive chain side of the  
planer.  
Figure 32  
To check or verify the roller height:  
3. Move the gauge block (J, Fig. 33) under one  
end of the outfeed roller (F, Fig. 33). The  
bottom of the outfeed roller should just touch  
the top of the gauge block. If an adjustment  
to the outfeed roller is necessary, loosen the  
jam nut (L, Fig 33) and turn screw  
(M, Fig. 33) until the outfeed roller just  
touches the gauge block. Then tighten jam  
nut (L, Fig. 33).  
1. Disconnect the machine from the power  
source.  
2. Turn the handwheel clockwise, raising the  
cutterhead assembly high enough to place  
the gauge block (J, Fig. 32) on the table  
directly  
underneath  
the  
cutterhead  
(D, Fig. 32) Using a 0.02” (0.5mm) feeler  
gauge (K, Fig. 32) placed on top of the  
gauge block, lower the head assembly until  
the knife just touches the feeler gauge when  
the knife is at its lowest point. Do not move  
the working table any further until the infeed  
and outfeed rollers are adjusted.  
4. Slide the gauge block to the other end of the  
outfeed roller and repeat the adjustment  
described in Step 3.  
5. Recheck the settings and repeat steps 1-4 if  
necessary.  
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Because of its powerful motor and razor-  
sharp knives, the JWP-16OS Planer is  
inherently dangerous and should be  
operated with considerable caution and  
respect. Failure to do so could result in  
damage to the machine or severe injury to  
the operator or others in the work area.  
Overview  
There are a number of safety issues that relate  
directly to the operation of the planer. Keep in  
mind that these are not all-inclusive. Work  
situations, wood types, and other variables that  
differ from shop to shop must be considered in  
order to operate this planer safely. Always  
consider safety and common sense first when  
operating this or other machinery.  
Figure 33  
Gearbox  
1. Always inspect lumber for defects (warping,  
cupping, twisting, etc.). Do not use lumber of  
questionable quality.  
Referring to Figure 34:  
The JWP-16OS Planer is equipped with a spiral,  
serrated infeed roller (F) and a solid outfeed  
roller. When the feed rollers are engaged, they  
turn to feed the stock. The feed rollers are driven  
by chains (A) and sprockets (B) in the gearbox.  
The gearbox is located on the right side of the  
planer directly behind the table lock knob (A,  
Fig. 35). The gearbox transfers power from the  
belt-driven cutterhead to the power feed rollers.  
A two-speed transmission, controlled by a  
push/pull lever (D), moves the stock through the  
planer at either 16 or 20 feet-per minute. The  
push/pull lever is set while the machine is  
running.  
2. Check lumber for nails, staples, imbedded  
gravel, etc. before planing.  
3. Use the full width of the planer. Alternate  
between the left, the right and the middle  
when feeding lumber into the planer. Your  
knives will remain sharp much longer.  
4. Remove glues, epoxies and other foreign  
matter before planing lumber.  
5. Never attempt to plane laminates,  
particleboards, plastics or other man-made  
materials.  
6. Plane wood with the grain. Never plane  
across the grain.  
7. Do not use boards with loose knots, splits,  
cross grain or other defects. They can  
damage the machine and cause injury.  
8. Keep your work area clear.  
9. Wood with excessive water content or wood  
exposed to rain, ice, or snow will plane  
poorly and cause excess wear to the knives  
and motor. Excessive moisture will also  
hasten rust and corrosion.  
10. Learn as much as possible about planing  
procedures. Alternative publications present  
more wood specific planing requirements.  
Figure 34  
Table Locks  
Operation  
Before attempting to adjust table height, loosen  
the two table lock knobs, one on the right front of  
the head casting assembly (A, Fig. 35) and the  
other on the left rear.  
The JWP-16OS Planer is  
a
powerful  
and  
woodworking machine, designed  
constructed for professional-quality applications.  
20  
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Handwheel  
Crank the handwheel to raise or lower the table  
according to the desired workpiece thickness.  
Each complete revolution of the handwheel  
moves the head assembly by 0.158” (4mm).  
Make sure the height scale is properly adjusted.  
With the depth-limiting clip installed, you cannot  
cut full width more than 1/8" in a single pass  
(3/16" if lumber can fit on either side of the depth  
limiting clip). While cutting this much material is  
possible, it is not recommended.  
Depth Limiter  
The Model JWP-16OS Planer is equipped with a  
depth limiter – located on the bottom of the  
cutterhead casting just below the warning label  
(A, Fig. 37). The depth limiter controls maximum  
depth of cut to 1/8".  
Figure 35  
After the head assembly height is adjusted,  
tighten the two black knobs down again.  
Power Feed  
Referring to Figure 36:  
The power feed features two feed rates, 16 FPM  
and 20 FPM. When running the machine, the  
operator can control the feed speed by moving  
the feed control knob. Moving the knob toward  
the machine produces the 20 FPM feed speed  
(A), away from the machine produces 16 FPM  
(C) and a center position places the gear box in  
neutral (B).  
Figure 37  
To avoid mechanical damage to the planer,  
do not remove the depth limiter.  
Initial Startup  
After the assembly and adjustments are  
complete the planer is ready to be tested.  
Turn on the power supply at the main panel.  
Press the Start button. Keep your finger on the  
Stop button in case of a problem. The planer  
should run smoothly with little or no vibration or  
rubbing noises. Investigate and correct the  
source of any problems before further operation.  
Figure 36  
Set the feed rate while the planer is running  
but before feeding lumber into it. DO NOT  
change speeds after the cutting operation  
has begun.  
DO NOT attempt to investigate or adjust the  
planer while it is running. Wait until the  
planer is turned off, unplugged and all  
working parts have come to a complete  
standstill.  
If the cut is too large, the planer will slow  
down considerably, possibly even stalling  
the motor. Turn off the power immediately,  
raise the head assembly and remove the  
workpiece. Re-adjust the head assembly to  
allow a lesser cut and repeat the operation.  
Always wear ANSI-approved safety glasses  
or goggles when operating equipment.  
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If knives are to be reused, it is recommended  
that they be sharpened by a professional knife  
sharpener. Improperly sharpened knives can  
cause a number of defects to lumber and put  
unnecessary load on the motor and drive  
systems.  
Maintenance  
General  
Inspect your planer each time before using.  
Check for the following conditions and repair or  
replace when necessary.  
If you must sharpen the knives yourself, please  
take note of the following information:  
1. Loose mounting bolts.  
2. Worn switch.  
Primary Grinding Angle – 40 degrees  
Secondary Grinding Angle – 42 degrees  
3. Worn or damaged cords and plugs.  
4. Damaged V-belts.  
5. Any other condition that could hamper the  
safe operation of this machine.  
Buildup of sawdust and other debris can cause  
your machine to plane inaccurately. Periodic  
cleaning is not only recommended but also  
mandatory for accurate planing.  
The grinding angle has been determined by the  
factory to be the best compromise for planing a  
wide variety of wood types. In most cases, that  
angle will produce excellent results. If you  
choose to change the angle of your bevel, be  
sure to consult with a trained sharpener or with a  
reference book before you commit to changing  
the angle of bevel.  
Close-fitting parts, such as the cutterhead slot  
and gibs, should be cleaned with a cloth or  
brush and non-flammable solvent, and free from  
clinging foreign matter.  
Remove resin and other accumulations from  
feed rollers and table with a soft rag and non-  
flammable solvent.  
Periodically check all the chains for proper  
tension and adjust accordingly if required.  
Tip: If a foreign object nicks the knives, instead  
of throwing them away or trying to grind out the  
deep nick, simply stagger the knives in the head,  
moving one knife no more than 1/8" to the right  
and another knife no more than 1/8" to the left.  
The nick should no longer be noticeable.  
The table should be kept clean and free of rust.  
Some users prefer a paste wax on exposed  
steel and cast iron surfaces. The wax provides a  
layer of protection as well as reducing friction  
between lumber and the table making cuts faster  
and smoother. Avoid any wax that contains  
silicone or other synthetic ingredients. These  
materials can find their way into lumber and can  
make staining and finishing difficult.  
Figure 38  
Another option is talcum powder applied with a  
blackboard eraser rubbed in vigorously once a  
week; this will fill casting pores and form a  
moisture barrier. This method provides  
a
tabletop that is slick and allows rust rings to be  
easily wiped from the surface. Another important  
fact is that talcum powder will not stain wood or  
mar finishes as wax pickup does.  
Sharpening Knives  
It is recommended that knives be replaced they  
become dull or damaged.  
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Lubrication  
The bearings on the cutterhead are factory  
lubricated and sealed for life – no lubrication  
required.  
To replace the gearbox lubricant:  
1. Remove the drain plug (3. Fig. 39), and filler  
cap (A, Fig. 40). Drain dirty oil thoroughly.  
Gearbox – The oil in the gearbox must be  
drained and replaced after the first 20 hours of  
operation. (See the Lubrication Table).  
2. Tighten the drain plug (3, Fig. 39).  
3. Fill with clean lubricant through hole  
(A, Fig. 40).  
Inspect levels periodically and change yearly.  
Replace gear oil more frequently under heavy  
use. Fill until the oil reaches the top of the filler  
plug port for correct oil level.  
Tighten filler cap (A, Fig. 40).  
Figure 40  
Figure 39  
No Fig  
Position  
Interval  
Inspect and lubricate monthly  
When operated more than HD-100, Mobil Gear 627, Shell Omala  
Suitable Types of Lubricant  
1
2
39  
39  
Drive Chain  
Grease  
Gear Box  
2,500 hours  
100, ESSO Spartan EP-100  
3
4
41  
41  
Lead Screw  
Column  
Inspect and lubricate Monthly  
Inspect and lubricate weekly  
Grease  
SAE-30  
Inspect monthly  
when needed  
–
lubricate Grease or good quality bicycle chain  
lubricant  
5
6
42  
43  
Table Chain  
Feed Rollers  
Inspect and lubricate daily  
before startup  
SAE-30  
Lubrication Table  
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Figure 43  
Figure 41  
Figure 42  
Optional Accessories  
708814 ..................................................................................................................................Knives (set of 3)  
708119 .......................................................................................................................... Universal Mobil Base  
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Troubleshooting  
Performance Troubleshooting  
Problem  
Snipe  
Possible Cause  
Solution  
Table rollers not set properly.  
Adjust rollers to proper height  
Inadequate support of long  
boards.  
Support long boards with extension rollers.  
Note: Snipe can  
be minimized but  
not eliminated  
Uneven feed roller pressure front Adjust feed roller tension  
to back.  
Dull knives.  
Sharpen knives.  
Lumber not butted properly.  
Butt end to end each piece of stock as they  
pass through.  
Fuzzy Grain  
Torn Grain  
Planing wood with a high  
moisture content.  
Remove high moisture content from wood by  
drying.  
Dull knives.  
Sharpen or replace.  
Adjust proper depth of cut  
Cut along the grain.  
Sharpen knives.  
Too heavy a cut.  
Knives cutting against grain.  
Dull knives.  
Rough/Raised  
Grain  
Dull knives.  
Sharpen knives.  
Too heavy a cut.  
Moisture content too high.  
Adjust proper depth.  
Remove high moisture content from wood by  
drying.  
Rounded, glossy Dull knives.  
surface  
Sharpen or replace knives.  
Increase speed.  
Feed speed too slow.  
Cutting depth too shallow.  
Increase depth.  
Poor feeding of  
lumber.  
Inadequate feed roller pressure.  
Adjust feed roller tension. If proper tension  
cannot be achieve, replace feed rollers  
Planer bed rough or dirty.  
Clean pitch and residue, and wax planer table.  
Tighten transmission v-belt.  
Clear pitch and residue out of teeth.  
Adjust knife projection.  
Transmission v-belt slipping.  
Surface of feed rollers clogged.  
Uneven depth of Knife projection.  
cut side to side.  
Cutterhead not level with bed.  
Level bed.  
Board thickness  
does not match  
depth of cut  
scale.  
Depth of cut scale incorrect.  
Adjust depth of cut scale.  
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Mechanical Troubleshooting  
Problem  
Possible Cause  
Inadequate tension.  
Sprockets misaligned.  
Sprockets worn.  
Solution  
Chain jumping.  
Adjust chain tension.  
Align sprockets  
Replace sprockets.  
Machine will  
not start/ restart  
or repeatedly  
trips circuit  
breaker or  
blows fuses.  
No incoming power.  
Verify unit is connected to power  
Overload automatic  
reset has not reset  
When planer overloads on the circuit breaker built into  
the motor starter, it takes time for the machine to cool  
down before restart. Allow unit to adequately cool before  
attempting restart. If problem persists, check amp setting  
on the motor starter inside the electrical box.  
Planer frequently trips.  
One cause of overloading trips, which are not electrical in  
nature, is too heavy a cut. The solution is to take a lighter  
cut. If too deep a cut is not the problem, then check the  
amp setting on the overload relay. Match the full load  
amps on the motor as noted on the motor plate. If the  
amp setting is correct then there is probably a loose  
electrical lead. Check amp setting on motor starter.  
Building circuit breaker Verify that planer is on a circuit of correct size. If circuit  
trips or fuse blows.  
size is correct, there is probably a loose electrical lead.  
Check amp setting on motor starter.  
Loose electrical  
connections.  
Go through all the electrical on the planer including motor  
connections, verifying the tightness of each. Look for any  
signs of electrical arcing which is a sure indicator of loose  
connections or circuit overload.  
Motor starter failure.  
Examine motor starter for burned or failed components. If  
damage is found, replace motor starter. If motor starter  
looks okay but is still suspect, you have two options: have  
a qualified electrician test the motor starter for function, or  
purchase a new starter and establish if that was the  
problem on changeout  
Motor starter failure.  
If you have access to a voltmeter, you can separate a  
starter failure from a motor failure by first, verifying  
incoming voltage at 220+/-20 and second, checking the  
voltage between starter and motor at 220+/-20. If  
incoming voltage is incorrect, you have a power supply  
problem. If voltage between starter and motor is  
incorrect, you have a starter problem. If voltage between  
starter and motor is correct, you have a motor problem.  
Motor failure.  
If electric motor is suspect, you have two options: Have a  
qualified electrician test the motor for function or remove  
the motor and take it to a quality electric motor repair  
shop and have it tested.  
Miswiring of the unit.  
Double check to confirm all electrical connections are  
correct and properly tight. The electrical connections  
other than the motor are pre-assembled and tested at the  
factory. Therefore, the motor connections should be  
double checked as the highest probability for error. If  
problems persist, double-check the factory wiring.  
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Parts List for the JWP-16OS Planer  
Head Assembly  
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Head Assembly Parts List  
Index No. Part No.  
Description  
Size  
Quantity  
1 ...............JWP16OS-101.........Pulley Guard ............................................................................................. 1  
2. ..............JWP16OS-102.........V-belt....................................................................M27............................. 3  
3 ...............TS-1491041 .............Hex Cap Screw....................................................M10×30L..................... 3  
4 ...............TS-1550071 .............Flat Washer..........................................................M10............................. 4  
5 ...............JWP16OS-105.........Pulley Cover.............................................................................................. 1  
6 ...............JWP16OS-106.........Motor Cable............................................................................................... 1  
7 ...............JWP16OS-107.........Strain Relief............................................................................................... 1  
8 ...............JWP16OS-108.........Motor......................................................................................................... 1  
9 ...............JWP16OS-109.........Hex Cap Screw....................................................M10×80L..................... 1  
10 .............JWP16OS-110.........Hex Flange Screw................................................M6×12L..................... 27  
11 .............JWP16OS-111.........Spacer....................................................................................................... 1  
12 .............TS-1490041 .............Hex Cap Screw....................................................M8×25L....................... 1  
13 .............TS-1550061 .............Flat Washer..........................................................M8............................... 9  
14 .............JWP15H-014............Machine Pulley.......................................................................................... 1  
15 .............TS-1540061 .............Hex Nut ................................................................M8............................. 12  
17 .............JWP16OS-117.........Motor Mount......................................................... .................................... 1  
18 .............TS-1490081 .............Hex Cap Screw....................................................M8×45L....................... 4  
19 .............PA-C61 ....................Spring........................................................................................................ 1  
20 .............PA-C58 ....................Bracket...................................................................................................... 1  
21 .............PA-C59 ....................Shaft.......................................................................................................... 1  
22 .............PA-C57 ....................Idle Pulley.................................................................................................. 1  
23 .............PA-C56 ....................Shaft.......................................................................................................... 1  
24 .............PA-C60 ....................Hanger ...................................................................................................... 1  
25 .............TS-1503031 .............Socket Head Cap Screw......................................M6×12L....................... 3  
26 .............JWP16OS-126.........Collector Hood .......................................................................................... 1  
27 .............JWP16OS-127.........Upper Cover.............................................................................................. 1  
28 .............JWP15H-040............Deflector Plate .......................................................................................... 1  
29 .............JWP16OS-129.........Cap............................................................................................................ 3  
30 .............TS-1504101 .............Socket Head Cap Screw......................................M8×50L....................... 4  
31 .............TS-1540072 .............Hex Nut ................................................................M10-1.25M.................. 4  
33 .............JWP16OS-133.........Label, Direction......................................................................................... 1  
34 .............JWP16OS-134.........Handwheel................................................................................................ 1  
35 .............JWP15H-060............Handle....................................................................................................... 1  
36 .............JWP15H-109............Knob.......................................................................................................... 1  
37 .............JWP15H-108............Lock Bushing ............................................................................................ 2  
38 .............TS-1482021 .............Hex Cap Screw....................................................M6×12L....................... 4  
39 .............TS-1550041 .............Flat Washer..........................................................M6............................... 6  
40 .............JWP16OS-140.........Head Casting ............................................................................................ 1  
41 .............JWP15H-036............Plate Spring............................................................................................... 3  
42 .............JWP15H-021............Socket Set Screw.................................................M22-1.5P×20L ............ 4  
43 .............TS-1523051 .............Socket Set Screw.................................................M6×16L....................... 4  
44 .............JWP16OS-144.........Shaft.......................................................................................................... 2  
45 .............JWP15H-106............Lock Bushing ............................................................................................ 2  
46 .............PF-C22.....................Plate.......................................................................................................... 2  
47 .............JWP15H-062............Spring Pin.................................................................................................. 2  
48 .............JWP15H-061............Cover......................................................................................................... 1  
49 .............TS-1504091 .............Socket Head Cap Screw......................................M8×45L....................... 1  
50 .............JWP16OS-150.........Ball Bearing..........................................................6205-2NSE ................. 1  
51 .............JWP16OS-151.........Key.......................................................................8×8×40........................ 1  
52 .............JWP16OS-152.........Knife Bar ................................................................................................... 3  
53 .............708814.....................Knives (Set of 3) ....................................................................................... 1  
54 .............JWP16OS-154.........Spring........................................................................................................ 6  
55 .............TS-1513021 .............Socket Head Flat Screw ......................................M5×12L....................... 6  
56 .............JWP16OS-156.........Cutterhead ................................................................................................ 1  
28  
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Head Assembly Parts List  
Index No. Part No.  
Description  
Size  
Quantity  
57 .............JWP15H-007............Screw ...................................................................................................... 18  
58 .............TS-1503041 .............Socket Head Cap Screw......................................M6×16L....................... 8  
59 .............TS-1524031 .............Socket Set Screw.................................................M8×12L....................... 1  
60 .............JWP15H-020............Spring........................................................................................................ 4  
61 .............JWP208-019 ............Bushing ..................................................................................................... 4  
62 .............JWP15H-022............Plate.......................................................................................................... 4  
63 .............TS-1490031 .............Hex Cap Screw....................................................M8×20L....................... 5  
64 .............TS-1540041 .............Hex Nut ................................................................M6............................... 6  
65 .............JWP16OS-165.........Outfeed Roller........................................................................................... 1  
66 .............JWP15H-046............Limiter Plate.............................................................................................. 1  
67 .............TS-1534041 .............Machine Screw, Flat Head Phillips ......................M5-10L........................ 2  
68 .............JWP15H-026............Key.......................................................................5×5×22........................ 2  
69 .............JWP16OS-169.........Rivet.......................................................................................................... 2  
70 .............JWP15H-031............Sprocket.................................................................................................... 4  
72 .............TS-1482031 .............Hex Cap Screw....................................................M6×16L....................... 2  
73 .............JWP15H-073............Chain....................................................................06B×63P..................... 1  
74 .............JWP16OS-174.........Chip Bracket.............................................................................................. 1  
75 .............JWP16OS-175.........Shaft.......................................................................................................... 1  
76 .............JWP16OS-176.........Knob.......................................................................................................... 1  
77 .............JWP15H-045............Retaining Ring .....................................................ETW-15....................... 2  
78 .............JWP15H-042............Collar....................................................................................................... 45  
79 .............JWP15H-041............Anti-Kick Finger....................................................................................... 44  
80 .............JWP16OS-180.........Shaft.......................................................................................................... 1  
81 .............JWP16OS-181.........Infeed Roller.............................................................................................. 1  
82 .............JWP15H-027............Sprocket.................................................................................................... 1  
83 .............JWP16OS-183.........Power Cord............................................................................................... 1  
84 .............JWP16OS-184.........Key.......................................................................5×5×30........................ 1  
85 .............JWP15H-017............Motor Pulley.............................................................................................. 1  
87 .............JWP16OS-187.........Switch........................................................................................................ 1  
88 .............JWP16OS-188.........Switch Plate .............................................................................................. 1  
89 .............JWP16OS-189.........Tooth Washer .......................................................................................... 2  
90 .............JWP16OS-190.........Screw ...................................................................3/16-24 x 1-3/4............ 2  
91 .............JWP16OS-191.........Hex Nut ................................................................3/16-24........................ 2  
92 .............JWP16OS-192.........Strain Relief............................................................................................... 2  
29  
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Base Assembly  
Base Assembly Parts List  
Index No. Part No.  
Description  
Size  
Quantity  
1 ...............JWP16OS-201.........Lifting Handle............................................................................................ 4  
2 ...............JWP15H-207............Nut Fixture................................................................................................. 4  
3 ...............JWP16OS-203.........Leadscrew................................................................................................. 3  
4 ...............JWP16OS-204.........Column...................................................................................................... 4  
5 ...............TS-1523041 .............Socket Set Screw.................................................M6×12L....................... 4  
6 ...............JWP15H-203............Column...................................................................................................... 4  
7 ...............JWP16OS-207.........Base.......................................................................................................... 1  
8 ...............TS-1525021 .............Socket Set Screw.................................................M10×12L..................... 8  
9 ...............JWP16OS-209.........Roller......................................................................................................... 2  
10 .............BB-608Z...................Ball Bearing............................................................................................... 4  
11 .............JWP15H-104............Eccentric Shaft.......................................................................................... 4  
12 .............JWP15H-221............Bracket...................................................................................................... 1  
13 .............JWP15H-222............Shaft.......................................................................................................... 1  
14 .............JWP15H-223............Sprocket.................................................................................................... 1  
15 .............JWP15H-224............Retaining Ring .....................................................STW-15....................... 1  
16 .............JWP16OS-216.........Chain....................................................................41×148P ..................... 1  
17 .............TS-1550061 .............Flat Washer..........................................................M8............................. 18  
30  
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Base Assembly Parts List  
Index No. Part No.  
Description  
Size  
Quantity  
18 .............TS-1490041 .............Hex Cap Screw....................................................M8×25L....................... 2  
19 .............BB-6202ZZ...............Ball Bearing..........................................................6202ZZ........................ 4  
20 .............JWP15H-214............Retaining Ring .....................................................RTW-35....................... 4  
21 .............JWP15H-216............Sprocket.................................................................................................... 4  
22 .............TS-0680041 .............Flat Washer..........................................................3/8............................... 4  
23 .............TS-1540072 .............Nut........................................................................M10-1.25P .................. 4  
24 .............JWP15H-209............Retaining Ring .....................................................RTW-38....................... 1  
25 .............JWP15H-208............Bushing ..................................................................................................... 1  
26 .............JWP16OS-226.........Key.......................................................................4×4×20........................ 1  
27 .............JWP16OS-227.........Leadscrew................................................................................................. 1  
28 .............JWP16OS-228.........Scale ......................................................................................................... 1  
29 .............TS-1531012 .............Machine Screw, Pan Head Phillips......................M3×6L......................... 2  
30 .............JWP16OS-230.........Column...................................................................................................... 1  
31 .............TS-1490031 .............Hex Cap Screw....................................................M8×20L....................... 6  
32 .............TS-1524031 .............Socket Set Screw.................................................M8×12L....................... 6  
33 .............TS-1490051 .............Hex Cap Screw....................................................M8×30L....................... 4  
35 .............JWP16OS-235.........E-ring....................................................................ETW-10....................... 4  
36 .............JWP15H-111............Roller Frame ............................................................................................. 2  
37 .............TS-1482021 .............Hex Cap Screw....................................................M6×12L..................... 12  
38 .............TS-1550041 .............Flat Washer..........................................................M6............................. 12  
39 .............JWP15H-113............Roller Liner.............................................................................................. 12  
40 .............JWP15H-114............Roller Shaft ............................................................................................... 6  
41 .............JWP15H-112............Roller......................................................................................................... 6  
31  
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Gear Box Assembly  
32  
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Gear Box Assembly Parts List  
Index No. Part No.  
Description  
Size  
Quantity  
1 ...............TS-1550041 .............Flat Washer..........................................................M6............................... 2  
2 ...............TS-1503031 .............Socket Head Cap Screw......................................M6×12L....................... 1  
3. ..............BB-6204ZZ...............Ball Bearing..........................................................6204ZZ........................ 1  
4 ...............JWP15H-304............Gear .......................................................................................................... 1  
5 ...............TS-1503061 .............Cap Screw............................................................M6x25L....................... 6  
6 ...............BB-6201...................Ball Bearing..........................................................6201............................ 1  
7 ...............JWP15H-309............Gear .....................................................................47T.............................. 1  
8 ...............JWP15H-310............Gear .....................................................................18T.............................. 1  
9 ...............JWP15H-313............Key.......................................................................5x5x10 ........................ 2  
10 .............JWP15H-337............Cover......................................................................................................... 1  
11 .............JWP15H-335............Pin............................................................................................................. 2  
12 .............JWP15H-339............Oil Plug...................................................................................................... 2  
13 .............OS-28408.................Oil Seal.................................................................TC28x40x8 ................. 1  
14 .............JWP15H-301............Gear Box................................................................................................... 1  
15 .............JWP15H-336............Gasket....................................................................................................... 1  
16 .............BB-6201Z.................Ball Bearing..........................................................6201Z.......................... 3  
17 .............JWP15H-314............Shaft.......................................................................................................... 1  
18 .............JWP15H-320............Key.......................................................................6x6x40 ........................ 1  
19 .............JWP15H-312............Gear .....................................................................71T.............................. 1  
20 .............JWP15H-334............Knob.......................................................................................................... 1  
21 .............JWP15H-325............Sprocket...............................................................12T.............................. 1  
22 .............TS-1482031 .............Hex Cap Screw....................................................M6x16L....................... 1  
23 .............JWP15H-318............Gear Assembly ....................................................96/92T......................... 1  
24 .............JWP15H-323............Shaft.......................................................................................................... 1  
25 .............JWP15H-322............Spring........................................................................................................ 1  
26 .............JWP15H-321............Ball ............................................................................................................ 1  
27 .............OS-25476.................Oil Seal...................................................................................................... 1  
28 .............BB-6204Z.................Ball Bearing..........................................................6204Z.......................... 1  
29 .............JWP16OS-329.........Hex Flange Screw................................................M6x12L....................... 1  
30 .............JWP15H-329............Clutch........................................................................................................ 1  
31 .............JWP15H-330............Handle....................................................................................................... 1  
32 .............JWP15H-333............Oil Seal...................................................................................................... 1  
33  
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Stand Assembly  
Stand Assembly Parts List  
Index No. Part No.  
Description  
Size  
Quantity  
1 ...............JWP16OS-401.........Upper Side Brace (L) ................................................................................ 1  
2 ...............JWP16OS-402.........Upper Front Brace .................................................................................... 2  
3 ...............JWP16OS-403.........Down Side Brace (R) ................................................................................ 2  
4 ...............JWP16OS-404.........Down Front Brace..................................................................................... 2  
5 ...............TS-1550061 .............Flat Washer..........................................................M8............................. 48  
6 ...............TS-0561021 .............Hex Nut ................................................................5/16”-18 .................... 32  
7 ...............JWP16OS-407.........Carriage Bolt........................................................5/16”-18×14L ............ 32  
8 ...............TS-1540061 .............Hex Nut ................................................................M8............................. 12  
9 ...............TS-1515021 .............Socket Head Flat Screw ......................................M8x20L....................... 8  
10 .............JWP16OS-410.........Foot........................................................................................................... 4  
12 .............JWP16OS-412.........Leg ............................................................................................................ 4  
13 .............JWP16OS-413.........Upper Side Brace (R)................................................................................ 1  
34  
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Electrical Schematic for JWP-16OS Planer  
35  
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WMH TOOL GROUP  
2420 Vantage Drive  
Elgin, IL 60123  
Ph: 888-8097-7129 ▪ Fax: 800-274-6840  
www.wmhtoolgroup.com  
36  
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