AIR PIN NAILER
Model 93656
ASSEMBLY and OPERATING
INSTRUCTIONS
3491 Mission Oaks Blvd., Camarillo, CA 93011
TO PREVENT SERIOUS INJURY,
READ AND UNDERSTAND ALL WARNINGS
AND INSTRUCTIONS BEFORE USE.
©
®
Copyright 2005 by Harbor FreightTools . All rights reserved. No portion
of this manual or any artwork contained herein may be reproduced in any shape
or form without the express written consent of Harbor Freight Tools.
For technical questions and replacement parts, please call 1-800-444-3353
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10.
Use eye and ear protection. Always wear ANSI approved impact safety goggles
and appropriate hearing protection. Wear a full face shield if you are producing
metal filings or wood chips. Wear an ANSI approved dust mask or respirator
when working around metal, wood, and chemical dusts and mists. Other people
in the work area must also wear ANSI approved impact safety goggles.
11. Maintain tools with care. Keep tools clean for better and safer performance. Follow
instructions for lubricating and changing accessories. Inspect tool cords and air hoses
periodically and, if damaged, have them repaired by an authorized technician.The handle
must be kept clean, dry, and free from oil and grease at all times. Do not operate a tool if
any portion of the tool’s operating controls are inoperable, disconnected, altered or not
working properly.
12. Disconnect Air Hose and release any built-up air pressure. Never service the Nailer,
clear jams, or disassemble with the air hose attached. Always release any built-up air
even after disconnecting hose. Disconnect the Nailer when not in use.
13. Remove adjusting keys and wrenches. Check that keys and adjusting wrenches are
removed from the tool or machine work surface before attaching to an air source.
14. Avoid unintentional starting. Be sure the trigger is in the Off position when not in use
and before plugging in. Do not carry any tool with your finger on the trigger, whether it is
attached to an air source or not. Do not point the tool towards yourself or anyone whether
it contains fasteners or not.
15. Stay alert. Watch what you are doing, use common sense.Do not operate any tool when
you are tired.
16. Check for damaged parts. Before using any tool, any part that appears damaged should
be carefully checked to determine that it will operate properly and perform its intended
function. Check for alignment and binding of moving parts; any broken parts or mounting
fixtures;and any other condition that may affect proper operation.Any part that is damaged
should be properly repaired or replaced by a qualified technician. Do not use the tool if
the trigger does not operate properly.
17. Guard against electric shock. Prevent body contact with grounded surfaces such as
pipes, radiators, ranges, and refrigerator enclosures.
18. Replacement parts and accessories. This product is to be repaired and serviced only
by a qualified technician. When this product is serviced, only identical replacement parts
should be used. Use of any other parts will void the warranty. Only use accessories
intended for use with this tool. Approved accessories are available from Harbor Freight
Tools.
19. Do not operate tool if under the influence of alcohol or drugs. Read warning labels
if taking prescription medicine to determine if your judgement or reflexes are impaired
while taking drugs. If there is any doubt, do not operate the tool.
20. Use proper size and type extension cord. If an extension cord is required, it must be of
the proper size and type to supply the correct current to the compressor without heating
up. Otherwise, the extension cord could melt and catch fire, or cause electrical damage
to the tool. Check your air compressor’s manual for the appropriate size cord. It is also
possible that the use of an extension cord may cause your circuit breaker to trip or your
SKU 93656
For technical questions, please call 1-800-444-3353.
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panel fuse to break. If this happens, either use the compressor without an extension
cord or find a larger amperage circuit to use.
21. Maintenance. The maintenance outlined in the maintenance section should be performed
regularly. For your safety, this product should be serviced or repaired regularly only by a
qualified technician.
22. Compressed air only. Use clean, dry regulated, compressed air at 90 PSI. Never use
oxygen, carbon dioxide, combustible gases, or any other bottled gas as a power source
for this tool.
23.
Do not load pins with the trigger or safety depressed. Unintentional firing
may occur. Do not load nails when the air hose is connected to the tool. Always
assume that the tool contains fasteners.
24. Disconnect air supply before loading Nailer. Before reloading (or making any
adjustments to) the Nailer make sure that the compressed air is disconnected.
25. Fire fasteners into an appropriate work surface only. Do not attempt to fire fasteners
into surfaces too hard to penetrate. Do not drive fasteners on top of other fasteners, or at
too steep of an angle. Fasteners can ricochet causing personal injury. Never fire the
Nailer into the air, or point it toward yourself or another person. Always wear ANSI
approved safety goggles during use, maintenance, and reloading.
26. Do not fire fasteners too close to the edge of a workpiece. They may split the
workpiece and fly free, causing personal injury.
27. Take caution as some woods contain preservatives such as copper chromium
arsenate (CCA) which can be toxic. When stapling or nailing these materials extra
care should be taken to avoid inhalation and minimize skin contact.
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other
construction activities, contain chemicals known [to the State of California] to
cause cancer, birth defects or other reproductive harm.
Some examples of these chemicals are:
• Lead from lead-based paints
• Crystalline silica from bricks and cement or other masonry products
• Arsenic and chromium from chemically treated lumber
(California Health & Safety Code § 25249.5, et seq. )
28. Transport Nailer safely. Always disconnect air supply when moving the tool in the
workplace. Carry the tool by the handle and avoid contact with the trigger.
Note: Performance of the compressor (if powered by line voltage) may vary depending on
variations in local line voltage. Extension cord usage may also affect tool performance.
Warning:The warnings, cautions, and instructions discussed in this instruction manual
cannot cover all possible conditions and situations that may occur.It must be understood
by the operator that common sense and caution are factors which cannot be built into
this product, but must be supplied by the operator.
SKU 93656
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Unpacking
When unpacking, check to make sure the parts listed on page 9 are
included. If any parts are missing or broken, please call Harbor Freight Tools at
the number on the cover of this manual as soon as possible.
Operation
For best service, you should incorporate an oiler, regulator, and inline filter, as shown in
the diagram below. Hoses, couplers, oilers, regulators, and filters are all available at Harbor
Freight Tools.
Note: To connect this tool, we recommend a quick coupler/adapter (not included). Coupler/
adapters are available at Harbor Freight Tools. If an automatic oiler is not used, put 3-5
drops of pneumatic tool oil in the Air Inlet (22) before each use.
Testing the Single Sequential SafetyTrip Mechanism
Warning: Even though the nailer should be empty during this procedure, ALWAYS point
the nailer at a piece of scrap wood when testing.
1.
2.
3.
4.
Make sure the tool is disconnected from the power supply.
Completely empty the magazine of pins.
The Nailer should not fire if the nose is not depressed against the workpiece.
Check that the Trigger (42) and the Safety (48) move freely, without sticking - see Figure
1, next page.
5.
6.
Connect the air supply to the tool at the Air Inlet (22) set at the recommended 60-100
PSI, and not to go over the maximum 100 PSI.
Test the tool by depressing the Safety (48) against the workpiece without pulling the
Trigger (42). The tool must not cycle (fire). If it cycles (fires), stop immediately and
take the tool to an authorized service technician.
7.
8.
Hold the tool away or off of the workpiece. The Safety (48) of the tool should return to its
original position. Squeeze the Trigger (42). The tool should not cycle (fire). If it cycles
(fires), stop immediately and take the tool to an authorized service technician.
Depress the Safety (48) against the workpiece and squeeze the Trigger (42). The tool
must cycle (fire). Release the trigger and squeeze it again. The tool must cycle (fire).
With the Trigger held, carefully lift the nailer and press it against the workpiece again.
The tool must not cycle (fire). If it fails to act in the manner described in bold, have it
repaired by a qualified service technician.
SKU 93656
For technical questions, please call 1-800-444-3353.
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Operation (continued)
Safety
(48)
Magazine (57)
Insert
Pins Here
FIGURE 1
Magazine
Latch (23)
Pin Length
Selector (64)
Trigger (42)
Air Inlet
(22)
Loading Pin Nails
ALWAYS WEAR ANSI APPROVED IMPACT SAFETY GOGGLES WHEN
RELOADING OR DOING ANY OTHER MAINTENANCE ON THIS TOOL. Other
people in the work area must also wear ANSI approved impact safety goggles.
Warning! Make sure the Nailer is not attached to the air hose whenever loading the tool.
1.
2.
Press the Magazine Latch (23) up and slide the Magazine (57) back.
If you are using a different pin length than previously:
a. Remove all pins from inside the nailer.
b. Slide the Pin Length Selector (64) to the appropriate length setting. See Figure 1.
3.
4.
Holding the nailer upside-down, insert the pin nails into the slot noted above.
Close the Magazine (57) making sure the Magazine Latch (23) clicks shut.
See Figure 1.
Operating the Nailer
1.
2.
Attach the Nailer to the air supply at the Air Inlet (22). Start your compressor and check
the pressure making sure it is set at the recommended 90 PSI and not to go over the
maximum 90 PSI.
To fire, place the nose of the Nailer on the workpiece. The Nailer should not fire if the
nose is not depressed. Once depressed, gently and briefly squeeze the Trigger (42)
once. Do not fire repeatedly. Pins could bounce off of one another, damaging the work
piece or causing PERSONAL INJURY.
SKU 93656
For technical questions, please call 1-800-444-3353.
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Anytime any maintenance or repairs are done (including clearing jams), FIRST:
1.
Disconnect the Nailer from the air hose.
2.
3.
Empty the Magazine (57) completely.
Attempt to fire the Nailer into a piece of scrap wood to ensure that it is disconnected
and is incapable of firing any pins.
4.
Always leave the Magazine (57) open during maintenance. The Magazine is
spring-loaded and may cause parts or a nail to fly out of the Nailer.
Clearing Jams
1.
Disconnect tool from air hose, empty the
Magazine (57) of pins, release any built-up air
pressure, and leave the magazine open, as
FIGURE 2
Safety
Cover (45)
explained above.
2.
Hold the Nailer pointed away from you and any
other people or fragile objects. Remove the Short
Cap Screw (47) and the two longer Cap Screws
(46) - see Figure 2. Remove the Safety Cover
(45) and Safety Spring (49) and set them aside.
3.
4.
5.
Remove the Safety Guide (50) carefully to avoid
bending the Safety (48) - see Figure 3.
Short Cap
Screw (47)
Cap
Screws (46)
Remove the jammed pin. Pliers may be
necessary to remove a stuck pin.
Inspect the Driver (11) for bends or breakage -
see location in Figure 4. If it is damaged, do not
use the tool until it is repaired by a qualified
technician.
Safety
Spring (49)
FIGURE 3
Safety (48)
6.
7.
Lightly oil the Driver (11). Replace the Safety
Guide (50) underneath the Safety (48). The
Safety (48) should fit perfectly into the groove in
the Safety Guide (50). See Figure 3.
Safety
Guide (50)
Replace the Safety Spring (49) onto the Safety
(48) as in Figure 3. Carefully place the Safety
Cover (45) over the Safety and Spring and
attach using the Cap Screws (46) and the Short
Cap Screw (47) - see Figure 2. Make sure that
the Short Cap Screw (47) goes in the correct
position. Make sure that the Safety (48) is spring
loaded and moves freely, without sticking.
Driver
Guide (54)
FIGURE 4
Safety (48)
8.
9.
Reload the Nailer and reconnect it to the air hose.
Press the Safety (48) of the Nailer against an
appropriate piece of scrap wood.
10. Test fire the Nailer several times, checking for
proper operation.
11. Disconnect the Nailer, remove the pins and store
it in a location out of children’s reach.
Driver
Guide (54)
Driver (11)
SKU 93656
For technical questions, please call 1-800-444-3353.
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Anytime any maintenance or repairs are done, FIRST:
1.
2.
3.
Disconnect the Nailer from the air hose.
Empty the Magazine (57) completely.
Attempt to fire the Nailer into a piece of scrap wood to ensure that it is disconnected
and is incapable of firing any pins.
4.
Always leave the Magazine (57) open during maintenance. The Magazine is
spring-loaded and may cause parts or a nail to fly out of the Nailer.
Troubleshooting Guide
Stop using the Brad Nailer immediately if any of the following problems occur.
Repairs and part replacements must be done only by a qualified technician.
All procedures in bold on this chart are to be attempted only be a qualified technician.
Problem
Likely Cause
Solution
O-Rings in Trigger Valve housing
are damaged.
Replace O-Rings and check safety
trip operation.
Air leaking at Trigger area.
Loose screws in Housing.
Damaged O-Rings/Bumper (12). Replace O-Rings or Bumper (12).
Tighten screws.
Air leaking between Housing and Nose.
O-Rings or Seals are damaged.
Loose Cylinder Cap (1).
Replace O-Rings or Seals.
Air leaking at Trigger Valve Stem.
Tighten Cylinder Cap (1).
Air leaking between Housing and Cap.
Insufficient oil.
Exhaust (18) is blocked.
Lubricate as instructed.
Replace damaged parts.
Runs slowly or has power loss.
Nailer skips a nail.
Worn Bumper (12) or damaged
Pusher Spring.
Dirt in Driver Guide (54).
Inadequate airflow to Nailer.
Worn or dry O-Ring on Piston.
Damaged O-Ring on Trigger
Valve.
Replace Bumper (12) or Pusher
Spring.
Clean Channels in Driver Guide (54).
Check hose and compressor fittings.
Replace or lubricate O-Rings.
Replace O-Rings.
Guide on driver is worn.
Nails are wrong size or damaged.
Magazine or Nose screws are
loose.
Replace Guide.
Use correct, undamaged nails.
Tighten screws.
Nails are jammed.
Driver (11) is damaged.
Replace Driver (11).
Replace Driver (11).
Rounded Driver (11) slipping
off nail crown.
Lack of air pressure.
Nailer will not drive down tight.
Blade driving nail too deeply.
Supply correct pressure (55-95 PSI).
Make sure Exhaust (18) is clear.
Slow cycling and loss of power.
Worn Bumper (12) and/or Piston
Spacer.
Replace either or both parts.
All procedures in bold on this chart are to be attempted only be a qualified technician.
SKU 93656
For technical questions, please call 1-800-444-3353.
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Parts List
Part
1
Description
Cylinder Cap
Part
Description
Part
Description
24 Latch Spring
25 Retaining Pin
26 Handle
47 Short Cap Screw
48 Safety
2
O-ring
3
Piston Valve
Collar
49 Safety Spring
50 Safety Guide
51 Cap Screw
4
27 O-ring
5
O-ring
28 O-ring
6
Lining Ring
O-ring
29 O-ring
52 Cap Screw
7
30 Lower Trigger Valve
31 Spring
53 Spacer
8
O-ring
54 Driver Guide
55 Cap Screw
9
Cylinder
32 Seal
10 O-ring
33 O-ring
56 Lock Washer
57 Lower Magazine
58 Roll Pin
11 Driver
34 O-ring
12 Bumper
35 Trigger Valve Piston
36 Seal
13 Nozzle Washer
14 Body
59 Rear Magazine Cover
60 Pusher
37 O-ring
15 Cap Screw
16 Nut
38 Upper Trigger Valve
39 O-ring
61 Spring Holder
62 Pusher Spring
63 Length Scale
64 Pin Length Selector
65 Upper Right Magazine
66 Nail Guide
17 Mounting Bracket
18 Exhaust Deflector
19 E-clip
40 Trigger Plunger
41 Trigger Bracket
42 Trigger
20 Filter
43 Cap Screw
44 Pin
21 End Cap
22 Air Inlet
67 Nail Guide Bar
68 Pin
45 Safety Cover
46 Cap Screw
23 Magazine Latch
69 Upper Left Magazine
PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM AND
TROUBLESHOOTING GUIDE IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE
MANUFACTURER NOR DISTRIBUTOR MAKES ANY REPRESENTATION ORWARRANTY OF ANY KINDTO
THE BUYERTHAT HE OR SHE IS QUALIFIEDTO MAKE ANY REPAIRSTOTHE PRODUCT ORTHAT HE OR
SHE IS QUALIFIEDTO REPLACE ANY PARTS OFTHE PRODUCT. IN FACT,THE MANUFACTURER AND/
OR DISTRIBUTOR EXPRESSLY STATESTHAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE
UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE BUYER.THE BUYER
ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRSTOTHE ORIGINAL PRODUCT
OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF
REPLACEMENT PARTSTHERETO.
NOTE: Some parts are listed and shown for illustration purposes only and are not available
individually as replacement parts.
SKU 93656
For technical questions, please call 1-800-444-3353.
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Assembly Drawing
Maintenance
Warning! Always disconnect the tool from the air compressor and then empty the magazine
of pins before attempting to inspect or perform maintenance to the Nailer.
1.
2.
Inspect all of the nuts and screws and make sure they are securely fastened.
Periodically lubricate the driving mechanism and magazine with a light oil. Wipe down
with a clean cloth. Never use gasoline or flammable solvents to clean the tool.
3.
Inspect your air compressor according to manufacturer’s instructions.
SKU 93656
For technical questions, please call 1-800-444-3353.
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