RADIAL ARM SAW
8-1/4”
42933
Set up AnD OpeRAtIng InStRuctIOnS
Distributed exclusively by Harbor Freight tools®.
3491 Mission Oaks Blvd., Camarillo, CA 93011
Read this material before using this product.
Failure to do so can result in serious injury.
SAVe tHIS MAnuAL.
Copyright© 2000 by Harbor Freight Tools®. 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. Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein. Tools required for
assembly and service may not be included.
For technical questions or replacement parts, please call 1-800-444-3353.
ReV 04k; 06l; manual revised 09d
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nOtIce is used to
address practices
not related to personal injury.
SAVe tHIS MAnuAL
Keep this manual for the safety warn-
ings and precautions, assembly, operat-
ing, inspection, maintenance and cleaning
procedures. Write the product’s serial
number in the back of the manual near the
assembly diagram (or month and year of
purchase if product has no number). Keep
this manual and the receipt in a safe and
dry place for future reference.
cAutIOn, without
the safety alert
symbol, is used to address
practices not related to
personal injury.
general tool Safety Warnings
WARnIng Read all safety
warnings and instructions.
Failure to follow the warnings and
instructions may result in electric
shock, fire and/or serious injury.
Save all warnings and
IMpORtAnt SAFetY
InFORMAtIOn
In this manual, on the labeling,
and all other information provid-
ed with this product:
instructions for future reference.
1. KEEP GUARDS IN PLACE and in
working order.
this is the safety alert
symbol. It is used to alert
you to potential personal
injury hazards. Obey all
safety messages that
2. REMOVE ADJUSTING KEYS AND
WRENCHES. Form habit of check-
ing to see that keys and adjusting
wrenches are removed from tool
before turning it on.
follow this symbol to avoid
possible injury or death.
3. KEEP WORK AREA CLEAN. Clut-
tered areas and benches invite ac-
cidents.
DAngeR indicates
a hazardous
situation which, if not
avoided, will result in death or
serious injury.
4. DON’T USE IN DANGEROUS EN-
VIRONMENT. Don’t use power tools
in damp or wet locations, or expose
them to rain. Keep work area well
lighted.
WARnIng
indicates a
hazardous situation which, if
not avoided, could result in
death or serious injury.
5. KEEP CHILDREN AWAY. All visitors
should be kept safe distance from
work area.
cAutIOn, used
with the safety
alert symbol, indicates a
hazardous situation which, if
not avoided, could result in
minor or moderate injury.
6. MAKE WORKSHOP KID PROOF
with padlocks, master switches, or by
removing starter keys.
7. DON’T FORCE TOOL. It will do the
job better and safer at the rate for
which it was designed.
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8. USE RIGHT TOOL. Don’t force tool
or attachment to do a job for which it
was not designed.
safer than using your hand and it
frees both hands to operate tool.
13. DON’T OVERREACH. Keep proper
footing and balance at all times.
RecOMMenDeD MInIMuM WIRe
gAuge FOR eXtenSIOn cORDS
14. MAINTAIN TOOLS WITH CARE.
Keep tools sharp and clean for best
and safest performance. Follow
instructions for lubricating and chang-
ing accessories.
(120 VOLt)
eXtenSIOn cORD
nAMepLAte
LengtH
AMpeReS
(at full load)
25’
18
50’ 100’ 150’
0 – 6
16
16
16
12
16
14
14
14
12
12
15. DISCONNECT TOOLS before ser-
vicing; when changing accessories,
such as blades, bits, cutters, and the
like.
6.1 – 10
10.1 – 12
12.1 – 16
18
16
14
Do not use.
tABLe A
16. REDUCE THE RISK OF UNINTEN-
TIONAL STARTING. Make sure
switch is in off position before plug-
ging in.
9. USE 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 undersized
cord will cause a drop in line voltage
resulting in loss of power and over-
heating. Table A shows the correct
size to use depending on cord length
and nameplate ampere rating. If in
doubt, use the next heavier gauge.
The smaller the gauge number, the
heavier the cord.
17. USE RECOMMENDED ACCESSO-
RIES. Consult the owner’s manual for
recommended accessories. The use
of improper accessories may cause
risk of injury to persons.
18. NEVER STAND ON TOOL. Serious
injury could occur if the tool is tipped
or if the cutting tool is unintentionally
contacted.
19. CHECK DAMAGED PARTS. Before
further use of the tool, a guard or
other part that is damaged should
be carefully checked to determine
that it will operate properly and per-
form its intended function – check for
alignment of moving parts, binding
of moving parts, breakage of parts,
mounting, and any other conditions
that may affect its operation. A guard
or other part that is damaged should
be properly repaired or replaced.
10. WEAR PROPER APPAREL. Do not
wear loose clothing, gloves, neck-
ties, rings, bracelets, or other jewelry
which may get caught in moving
parts. Nonslip footwear is recom-
mended. Wear protective hair cover-
ing to contain long hair.
11. ALWAYS USE SAFETY GLASSES.
Also use face or dust mask if cutting
operation is dusty. Everyday eye-
glasses only have impact resistant
lenses, they are NOT safety glasses.
20. DIRECTION OF FEED. Feed work
into a blade or cutter against the
direction of rotation of the blade or
cutter only.
12. SECURE WORK. Use clamps or a
vise to hold work when practical. It’s
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21. NEVER LEAVE TOOL RUNNING
UNATTENDED. TURN POWER OFF.
Don’t leave tool until it comes to a
complete stop.
4. Check with a qualified electrician or
service personnel if the grounding
instructions are not completely under-
stood, or if in doubt as to whether the
tool is properly grounded.
5. Use only 3-wire extension cords that
have 3-prong grounding plugs and
3-pole receptacles that accept the
tool’s plug.
gROunDIng InStRuctIOnS
tO pReVent
eLectRIc SHOck
AnD DeAtH FROM
IncORRect gROunDIng
WIRe cOnnectIOn
ReAD AnD FOLLOW tHeSe
InStRuctIOnS:
6. Repair or replace damaged or worn
cord immediately.
110-120 V~ grounded tools: tools
with three prong plugs
grounding
pin
1. In the event of a malfunction or
breakdown, grounding provides a
path of least resistance for electric
current to reduce the risk of electric
shock. This tool is equipped with an
electric cord having an equipment-
grounding conductor and a ground-
ing plug. The plug must be plugged
into a matching outlet that is properly
installed and grounded in accordance
with all local codes and ordinances.
125 V~ 3-prong plug and Outlet
(for up to 125 V~ and up to 15 A)
7. This tool is intended for use on a cir-
cuit that has an outlet that looks like
the one illustrated above in 125 V~
3-prong plug and Outlet. The tool
has a grounding plug that looks like
the plug illustrated above in 125 V~
3-prong plug and Outlet.
2. Do not modify the plug provided – if it
will not fit the outlet, have the proper
outlet installed by a qualified electri-
cian.
8. The outlet must be properly installed
and grounded in accordance with all
codes and ordinances.
3. Improper connection of the equip-
ment-grounding conductor can re-
sult in a risk of electric shock. The
conductor with insulation having an
outer surface that is green with or
without yellow stripes is the equip-
ment-grounding conductor. If repair
or replacement of the electric cord or
plug is necessary, do not connect the
equipment-grounding conductor to a
live terminal.
9. Do not use an adapter to connect this
tool to a different outlet.
Radial Arm Saw Safety Warnings
For Your Own Safety Read Instruction
Manual Before Operating Saw
1. DAngeR! coasting cutting tool
can Be Dangerous – Apply brake
immediately to stop cutting tool
when the switch is turned off.
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2. the torque developed during brak-
ing may loosen the blade-retaining
nut/bolt. The blade retaining nut/
bolt should be checked periodically
and tightened if necessary, especially
after braking.
the cut width to prevent contact with
the blade.
e. Freehand – Feeding a workpiece
through the saw without using a
fence or guided support to guide it.
nOt A SAFe MetHOD.
3. Wear eye protection.
f. Kerf – The gap made by the saw in
the workpiece.
4. Keep hands out of path of saw blade.
5. Know how to reduce risk of kickback.
g. Kickback – A sudden reaction to a
pinched, bound, or misaligned blade,
causing an uncontrolled workpiece
to lift up and out of the saw toward
the operator.
6. Use an appropriate push-stick for
narrow work.
7. Do not perform any operation free-
hand.
h. Spreader – A metal plate that fol-
lows the saw blade to keep the kerf
(gap) from closing on the saw blade.
Spreaders, except riving knives,
must be aligned to the blade after
blade adjustment to prevent binding.
8. Never reach around saw blade.
9. Return carriage to the full rear posi-
tion after each crosscut operation.
10. Turn off tool and wait for saw blade
to stop before moving workpiece or
changing settings.
13. Construct a Push Stick out of Wood
according to the guidelines on the fol-
lowing page.
11. Disconnect power before changing
blade or servicing.
12. To properly understand all safety
warnings, be familiar with the follow-
ing safety terms and equipment:
a. Through-sawing – A cut made from
one side of a board to the opposite
side, without stopping.
b. Ripcut or Ripping - A cut made paral-
lel to (along with) the grain of the
wood.
c. Crosscut or Crosscutting - A cut
made perpendicular (at a 90° angle)
to the grain of the wood.
d. Push-stick – A narrow strip of wood
or other soft material with a notch
cut into one end and which is used
to push short pieces of material
through saws. It provides a safe
distance between the hands and the
cutting tool. Must be narrower than
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essential Straight push-stick Features and
Functions
note: Straight style (traditional) stick shown. A dif-
ferent stick design may be used if it properly
protects against all hazards.
Handle notch
Diagram not to scale.
• Must be far
enough down
the stick to allow
a comfortable and
firm grip.
• Push sticks must be made from sturdy, defect-free,
plywood or normal wood to prevent unexpected
breakage. Material must be at least 1/4” thick ,but
no thicker than the finished wood.
• Must be deep enough
to prevent hand from
slipping down the
stick.
• Inspect push stick before use and do not use a
damaged or deteriorated push stick.
• Push stick dimensions will vary depending
on the application and user.
• Do not cut more than
halfway into the stick
to prevent weakening.
• Corners may be
rounded to increase
comfort.
Stick Length
• Must be long enough
to prevent accidental
blade contact.
• At least 6” from end of
handle to closest part
of notch.
notch
• Must be right angle cut 30°-40° from the angle of the stick to
keep hands out of the line of the blade.
• The lower lip of the notch must be no longer than the workpiece
is thick.
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14. Always use the anti-kickback finger
attachment when making rip cuts.
Feed stock from the opposite end
from the anti-kickback finger attach-
ment.
proved for the specific hazards in the
work area.
25. Industrial applications must follow
OSHA guidelines.
26. Maintain labels and nameplates on
the tool. These carry important safety
information. If unreadable or miss-
ing, contact Harbor Freight Tools for a
replacement.
15. Only use 8 1/4” saw blades with 5/8”
arbor on this machine.
16. Before making any adjustments
to the Radial Arm Saw, the Switch
should be in the OFF position and the
Switch locked OFF.
27. Avoid unintentional starting. Prepare
to begin work before turning on the
tool.
17. Lock the carriage arm in place before
lowering the saw blade. Otherwise,
when the saw blade touches the
stock, it may draw itself backward
(with you) into the cutting area.
28. People with pacemakers should
consult their physician(s) before use.
Electromagnetic fields in close prox-
imity to heart pacemaker could cause
pacemaker interference or pacemak-
er failure.
18. Do not cut more than one piece of
stock at a time, for any type of cut.
19. When cross cutting, return the car-
riage arm to the rear position before
letting go of the Handle.
29. WARNING: Some dust created by
power sanding, sawing, grinding, drill-
ing, and other construction activities,
contains chemicals known [to the
State of California] to cause cancer,
birth defects or other reproductive
harm. Some examples of these
chemicals are:
20. Do not use abrasive, cut off, or wire
wheels.
21. DO nOt OpeRAte WItH AnY
guARD DISABLeD, DAMAgeD,
OR ReMOVeD. Moving guards
must move freely and close in-
stantly.
• Lead from lead-based paints
• Crystalline silica from bricks and ce-
ment or other masonry products
• Arsenic and chromium from chemi-
cally treated lumber
22. The use of accessories or attach-
ments not recommended by the
manufacturer may result in a risk of
injury to persons.
Your risk from these exposures var-
ies, 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 specially
designed to filter out microscopic
particles. (California Health & Safety
Code § 25249.5, et seq.)
23. When servicing use only identical
replacement parts.
24. Only use safety equipment that has
been approved by an appropriate
standards agency. Unapproved
safety equipment may not provide
adequate protection. Eye protection
must be ANSI-approved and breath-
ing protection must be NIOSH-ap-
30. WARNING: Handling the cord on
this product will expose you to lead,
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a chemical known to the State of
California to cause cancer, and birth
defects or other reproductive harm.
Wash hands after handling. (Califor-
nia Health & Safety Code § 25249.5,
et seq.)
3. Wear suitable gloves to reduce the
vibration effects on the user.
4. Use tools with the lowest vibration
when there is a choice between dif-
ferent processes.
5. Include vibration-free periods each
day of work.
31. The warnings, precautions, and in-
structions discussed in this instruction
manual cannot cover all possible con-
ditions 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.
6. Grip tool as lightly as possible (while
still keeping safe control of it). Let
the tool do the work.
7. To reduce vibration, maintain the tool
as explained in this manual. If any
abnormal vibration occurs, stop use
immediately.
Vibration Safety
SAVe tHeSe
InStRuctIOnS.
This tool vibrates during use. Re-
peated or long-term exposure to
vibration may cause temporary or
permanent physical injury, particularly
to the hands, arms and shoulders. To
reduce the risk of vibration-related
injury:
1. Anyone using vibrating tools regu-
larly or for an extended period should
first be examined by a doctor and
then have regular medical check-
ups to ensure medical problems are
not being caused or worsened from
use. Pregnant women or people
who have impaired blood circulation
to the hand, past hand injuries, ner-
vous system disorders, diabetes, or
Raynaud’s Disease should not use
this tool. If you feel any medical or
physical symptoms related to vibra-
tion (such as tingling, numbness, and
white or blue fingers), seek medical
advice as soon as possible.
2. Do not smoke during use. Nico-
tine reduces the blood supply to the
hands and fingers, increasing the risk
of vibration-related injury.
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• The workbench should be of the ap-
propriate length and width to allow
the operator to stand aside of the
saw blade, whatever position the
saw blade is in.
• The work area should have ade-
quate, overhead, non-glare lighting.
• Lock the radial arm carriage before
SpecIFIcAtIOnS
Power
120 V~, 60 Hz, 1-ph
Requirements
20.9 A (start); 6.9 A (load); 1330 W
1-3/4 HP, 4200 spindle RPM,
electric brake
Motor
Saw Blade
Arbor
8-1/4” (dia.)
5/8”
Crosscut Distance 11” (maximum)
Rip Cut Distance 20” (maximum)
Depth of Cuts
45°: 2”; 90°: 2-1/8”
moving the unit.
Bevel Index Stops 0, 45, 90°
Mitre Index Stops Left and right: 0, 15, 30, 45, and 60°
Table Size
15-1/16 x 27-5/8 x 3/4”
Accessories
Blade Replacement: Item # 43204
note: Performance of this tool may vary
depending on variations in local line
voltage. Extension cord usage may
also affect tool performance.
unpAckIng
When unpacking, check to make sure
that all the parts are included. Refer to the
Parts List and Assembly Drawing at the
end of this manual. If any parts are miss-
ing or broken, please call Harbor Freight
Tools at 1-800-444-3353 as soon as pos-
sible.
2. Turn the Base (152) assembly upside
down. Attach Table A (127) squarely
to the Base assembly using the four
cross-head Tapping Screws (165).
3. Attach the table stabilizer Stands to
both sides of the Base using four Hex
Nuts (82), Washers (149), and Round
Head Bolts (148).
InStALLAtIOn
4. Place the Table and Base assem-
bly on the workbench, right side up.
Secure to the workbench with nuts,
bolts, and washers (not supplied).
During the assembly and installation
procedure, you may have to refer to the
Parts List and Assembly Drawings located
at the end of this manual.
1. Secure the Radial Arm Saw to a solid
bench top (or table) by bolting (or
clamping) the saw frame down to the
bench top.
• The workbench must not be able to
slide or tip over. Affix to floor if nec-
essary.
• Position the Radial Arm Saw (or saw
and bench) to slope slightly to the
rear so the radial arm carriage will
not roll forward due to gravity.
5. Position Table B (126) and Table C
(125), and the rip fence (guide) and
ReV 01c
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secure them by partially tightening
the two screw clamps built into the
Base assembly.
9. Place the Safety Guard (10) over the
Saw Blade and tighten in place.
6. Set the Arm (118) assembly column
into the Column Base. Move the Arm
slightly to the left or right until the
column index knob locks into the arm
support column.
The arm support column has nine
positive stops: 0, 15, 30, 45, and 60°
(left and right).
10. Install the anti-kickback pawl on the
Safety Guard (10) with the pawls fac-
ing the rear of the machine.
7. Attach the Elevating Handle assem-
bly to the Arm using the Allen wrench
(provided).
11. Set the height by loosening its lock
knob and moving it up or down. Re-
tighten again when set to the proper
height.
12. Verify that no play exists in the car-
riage, and that the arm, yoke, and
bevel locks and clamps are tight.
8. Attach the Saw Blade (17) to the
Gear Shaft (19) and secure with the
Outside Flange (16) and Bolt (15).
Lock the Gear Shaft with the Stopper
Pin (22) located at the front part of
the Gear Case Cover (26).
13. Slip the Dust Guide (4) over the
exhaust stem located on the Safety
Guard.
Using a wrench, tighten the Bolt (15)
over the Outside Flange (16), coun-
terclockwise.
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OpeRAtIng cOntROLS
Elevating Handle (88)
Switch (122) with Key (98)
Yoke Pivot Clamp Handle (88)
Safety Guard (10)
Trigger
Bevel Index Knob (74)
Bevel Lock Knob (71)
Lock On Button
Arm Index Knob (115)
Screw Clamp (137)
Safety Guard Lock Knob (5)
Anti-kickback Arm (13)
On / OFF Switch – The Switch has a built-in
locking feature which requires a key to be
inserted before the saw can be turned ON.
Removing the Key and pushing the OFF but-
ton locks the saw against unintended use.
For crosscutting, press the green Switch in,
then squeeze and hold the Trigger. For rip
cutting, press the green Switch in, squeeze
the Trigger (motor starts), then push up on
the Lock On Button (for rip cutting only) to
keep the motor running without holding the
Trigger in. Depressing the Trigger again
will release the Lock On Button, turning the
motor off.
carriage Lock – The Carriage Lock Knob
located on the left side of the Radial Arm,
permits the saw assembly to be moved
in or out, and locked at the desired posi-
tion on the arm. It must be fully released
for any crosscutting, and tightly locked for
all operations in which the saw assembly
is stationary. To lock turn clockwise. To
unlock turn counterclockwise.
Arm Angle – The Arm Index Knob (142)
and Washer (140) are located at the Col-
umn Base (132). They can index, release,
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and secure the arm angle for various miter
positions. Positive index stops are 0, 15,
30, 45, and 60° (left and right). Non-index
stops can also be set within the range of
the arm assembly.
Depth of cut – The Elevating Handle
(100) at the rear of the arm is used to raise
and lower the height of the Saw Blade.
Turn the Elevating Handle clockwise to
raise the Saw Blade or counterclockwise
to lower it.
Yoke pivot- The Yoke Index Knob, located
at the top of the Yoke (under the Carriage
Arm) indexes the Yoke horizontally to 0°
(crosscuts) or 90° (for rip cuts). Loosen the
Yoke Pivot Clamp Handle and pull out the
Yoke Index Knob. Turn the motor assem-
bly until it locks at the index position. Lock
the Yoke Pivot Clamp Handle.
Blade Angle – The Bevel Index Knob (74)
and the Bevel Lock Knob (71) are used to
set the Blade angle (variable or indexed).
Loosen the Bevel Index Knob (71). Turn
the motor assembly clockwise or counter-
clockwise to the index notch of 0, 45, or
90°, or to a variable position without using
the index notch. Tighten the Bevel Lock
Knob by turning clockwise.
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there is full travel alignment. Tighten
the Screw Clamps again.
ADjuStMentS
The following checks, and possible adjust-
ments, should be done in the order listed
before beginning operation.
4. Check that the Saw Blade is square
to Table A.
- Place a framing
WARnIng: For safety, unplug the line
cord to the Radial Arm Saw.
square on Table A
so that the square
is flat on the Saw
Blade (not touching
teeth).
1. Tables A (127), B (126), and C (125)
are checked for straightness at the
factory.
- If there is no gap between the
square and the Saw Blade, no adjust-
ment is necessary.
- If the square does not touch the
Saw Blade evenly (with the square
flat on the Table A), loosen the Bevel
Lock Knob (71) and adjust the motor
until the gap between Saw Blade and
the square is eliminated.
However, changes in humidity can
slightly alter the condition of the
wood. With the Screw Clamps (131)
tightened, use a straight edge or
framing square to check for flatness
and squareness. Sand down any high
spots using fine sandpaper.
2. Check for Arm tightness on the Col-
umn (132). If loose, tighten Bolt (115).
5. Check that the Saw Blade is square
to the rip fence.
- Firmly place a
framing square
against the rip
fence and the blade
as shown to the
right. The square
3. Check the crosscut travel of the Saw
Blade for squareness.
should not touch any teeth.
- If the square is not flush with the
entire blade, loosen the yoke
pivot Clamp Handle (66) and move
the motor assembly until any gaps
have been eliminated. Tighten the
Yoke Pivot Clamp and recheck align-
ment. (This will simultaneously set
both yoke indexing positions for in
and out ripping.)
- Lock or tighten all adjustment levers
and knobs.
- Lower the Arm until it just clears the
Table A front.
- Place a framing square so it just
touches a tooth of the Saw Blade.
- Mark this location with a pencil on
the table and draw a straight line us-
ing the square.
- Check that the Saw blade follows
this line from front to back.
If the Saw Blade moves to the right
or left side of the line as it travels the
entire length of the Arm, loosen the
Screw Clamps (137) and lightly tap
on the Table left or right side until
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10. With the machine still running, loosen
the yoke Clamp Handle (66) and pull
out the Yoke Index Knob and turn the
yoke clockwise until it locks into the
90°.
cuttIng keRF MARkS
In order to move the Saw Blade into
different cutting positions, kerf marks (or
grooves) must be cut into the worktable.
It is recommended to cut grooves into a
piece of 1/4” plywood mounted to the sur-
face of Table A.
This cuts a swing line into the work-
table for in-ripping.
11. Once the quarter turn (swing line cut)
is complete, lock the yoke Clamp
Handle. With the Saw Blade still turn-
ing, push on the Handle until the Saw
Blade reaches the rip fence, cutting
the rip trough in the center of the
worktable.
1. Cut a piece of 1/4” plywood the same
size as Table A.
2. Mount the plywood to Table A using
self-tapping, countersinking screws at
the four corners of Table A.
3. Set the Carriage Arm at 0° and lock in
place.
12. Turn the machine OFF and return the
Saw Blade to the crosscut position.
Lock the Carriage Lock Knob.
4. Set the Saw Blade angle to 0° index
position (perpendicular to the work-
table).
13. Turn the machine ON and rotate the
Yoke counterclockwise to the out-rip
position. This cuts the swing line for
out-ripping. Loosen the Carriage Lock
Knob.
5. Draw out the Saw Blade to mid-range
on the Carriage Arm and lock in that
position.
6. Turn the Elevating Handle to lower
the Saw Blade so it just touches the
plywood top.
14. Lock the yoke Clamp Handle (66)
and, with the Saw Blade revolving,
push the Handle back until the new
groove matches the groove cut in
step 11. Turn the machine OFF.
7. Place your hand on the Handle As-
sembly (87) and press the green ON
button with the other hand. Squeeze
the Trigger (86) to start the motor.
15. Return the Saw Blade to the crosscut
position. Unlock the Carriage Lock
Knob (74b) and move the motor as-
sembly to the rear position, behind
the fence. Pull out the Bevel Index
Knob (74) and lock the Saw Blade at
index position 60°. Turn on machine
and pull the Handle forward. This will
cut a kerf mark for bevel crosscuts.
Turn the machine OFF.
8. With the same hand that you turned
ON the machine, loosen the Carriage
Lock Knob and slowly move the Saw
Blade back, cutting the rip fence; and
then move it all the way forward, cut-
ting a groove into the entire depth of
the plywood.
9. With the machine still running, turn
the Elevating Handle 1/4 turn, lower-
ing the Saw Blade a little more. Pull
the Handle back and forth again to
cut the plywood groove a little deep-
er. Tighten the Carriage Lock Knob
again.
16. Lock the Carriage Lock Knob and
start the motor. Pull the Carriage Arm
Index Lock Knob and move the Arm
to the 45° right-hand miter position.
This will cut a groove for miter cuts.
Turn the machine OFF.
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8. Wait for the Saw Blade to stop turning
before removing the stock.
OpeRAtIOn
WARnIng: the Radial Arm Saw can be
very dangerous and cause serious
injuries if not operated properly.
Review all safety precautions be-
fore operating. keep hands out of
the path of the moving Saw Blade.
Mitre cross cutting
cross cutting
1. Loosen the yoke Clamp Handle (66)
and pull out the Yoke Index Knob.
2. Turn the motor assembly to the left or
right and lock the Yoke Index Knob at
45°.
3. Tighten the yoke Clamp Handle (66).
1. Secure the stock to be cut against the
table and fence.
4. Push the Handle backward so that
the Saw Blade is in behind the stock
to be cut.
If the stock length is short, do not
hold with your hand. Use a clamp to
hold in place.
5. Secure the stock to be cut against the
table and fence.
2. Adjust the Anti-kickback Arm (13) so
it just clears the stock.
If the stock length is short, do not
hold with your hand. Use a clamp to
hold in place.
3. Check that the Pivot Yoke Clamp
Lock and Bevel Index Knob are set to
0° and are secure in place.
6. Adjust the Anti-kickback Arm (13) so
it just clears the stock.
4. Adjust the Elevating Handle (100) so
the Saw Blade (17) height is only 1/8”
into the worktable.
7. Press the green Switch (122). De-
press and hold the Trigger in. Slowly
pull the Handle toward you, causing
the Saw Blade to cut the stock.
5. Push the Handle backward so that
the Saw Blade is in behind the stock
to be cut.
8. When the cut is complete, release the
Trigger and push the Handle all the
way back.
6. Press the green Switch (122).
Squeeze the Handle Trigger and
slowly pull the Handle toward you,
causing the Saw Blade to cut the
stock.
9. Wait for the Saw Blade to stop turning
before removing the stock.
7. When the cut is complete, release the
Trigger and push the Handle all the
way back.
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Bevel cross cutting
In-Rip cutting
1. Loosen the Bevel Lock Knob (71) and
pull out the Bevel Index Knob (74).
2. Turn the motor assembly clockwise
or counterclockwise, selecting the
desired angle (variable or indexed,
i.e., 45°).
Ripping is the process of cutting stock
along the grain (or lengthwise). The stock
if fed into the Saw Blade against the blade
rotation (similar to a table saw). The fence
is used as a guide to help maintain cutting
width.
3. Tighten the Bevel Lock Knob (71) and
push in the Bevel Index Knob (74).
4. Push the Handle backward so that
the Saw Blade is in behind the stock
to be cut.
1. Loosen the yoke Clamp Handle (66)
and pull out the Yoke Index Knob.
5. Secure the stock to be cut against the
table and fence. If the stock length
is short, do not hold with your hand.
Use a clamp to hold in place.
2. Turn the motor assembly to the left
and lock the Yoke Index Knob at 90°.
3. Tighten the yoke Clamp Handle (66).
4. Adjust the Saw Blade Safety Guard
(7) so it is just above the surface of
the stock to be ripped.
6. Adjust the Anti-kickback Arm (15) so
it just clears the stock.
7. Press the green Switch (122).
Squeeze the Trigger and push the
Handle all the way back.
5. Adjust the Anti-kickback Arm (13) so
it is just above the stock surface.
6. Adjust the Carriage Arm so that the
Saw Blade is at the desired depth for
the rip cut, and securely lock the Car-
riage Lock Knob in place.
8. When the cut is complete, release the
Trigger, push the Handle all the way
back, and wait until the saw blade
stops completely.
Note that the larger portion of the
stock being ripped should be be-
tween the Fence and the Saw Blade.
compound cross cutting
Compound crosscutting combines the mi-
tre and bevel functions. Set the Saw Blade
angles as previously described. Continue
to follow steps 4 through 9, above.
7. Adjust the Elevating Handle (100) so
that the Saw Blade is 1/16” into the
worktable.
8. Verify that the Bevel Index Knob is
locked into 0°.
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9. Slide the stock to be ripped into the
cutting area and verify that it slides
easily beneath the Safety Guard,
Anti-kickback Arm, and (optional)
Spreader Plate, and there is no
wobble space. Remove stock from
cutting area.
desired angle (variable or indexed,
i.e., 45°).
4. Tighten the Bevel Lock Knob (71) and
push in the Bevel Index Knob (74).
5. Press the green Switch (122),
squeeze the handle Trigger (motor
starts), and push up on the Lock On
Button.
10. Press the green Switch (122),
squeeze the handle Trigger (93) (mo-
tor starts), and push up on the Lock
On Button.
6. From the side of the machine, feed
the stock into the Saw Blade (against
its rotation) using a (long) push stick.
11. From the side of the machine, feed
the stock into the Saw Blade (against
its rotation) using a (long) push stick.
WARnIng: Do not use your hand to
push the stock through the Saw
Blade. Do not reach around the
Saw Blade while it is running. Seri-
ous injury can occur to hands and
arms.
WARnIng: Do not use your hand to
push the stock through the Saw
Blade. Do not reach around the
Saw Blade while it is running. Seri-
ous injury can occur to hands and
arms.
7. When the cut is complete, and before
removing the stock, squeeze the Trig-
ger or pull down on the Lock On But-
ton, press the red Switch, and wait
until the saw blade stops completely.
12. When the cut is complete, and before
removing the stock, squeeze the Trig-
ger or pull down on the Lock On But-
ton, press the red Switch, and wait
until the saw blade stops completely.
Out-Rip cutting
Out-ripping is done when the in-rip posi-
tion will not permit a wide enough cut. This
function moves the Saw Blade to the front
of the machine. This operation is the same
as in-rip cutting (previously described),
with the exception that the Pivot Yoke is
turned so that the Handle is on the right
side of the machine (opposite of the in-rip
position).
1. Adjust the Saw Blade for In-rip cutting
as described on previous page.
2. Loosen the Bevel Lock Knob (71) and
pull out the Bevel Index Knob (74).
3. Turn the motor assembly clockwise
or counterclockwise, selecting the
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6. Motor Preventative Maintenance – In
addition to worn motor Brushes, the
following are major causes of motor
failure:
MAIntenAnce
cAutIOn: Before performing any main-
tenance, remove the Line cord
from the electrical outlet.
• Using a dull or sticking Saw Blade
1. Yoke Tightness – Periodically check
and tighten the yoke Clamp Handle
(66).
• Feeding the stock through the Saw
Blade too fast
• Starting the cut before the Saw
Over time this handle may become
loose and not tighten entirely. To cor-
rect this condition, tighten the large
Nut (64) at the base of the Handle
using the 5/8” arbor wrench.
Blade has reached full speed
• Abnormal friction caused by improp-
er alignment of the motor assembly,
especially when ripping
2. Cleaning – After each use, apply
compressed air to blow clean all the
parts of the Radial Arm Saw.
• Low voltage supplied to the machine
• Buildup of dust in the motor housing,
which prevents proper cooling.
3. Saw Blades – Do not use a replace-
ment blade rated lower than 5,000
RPM, and larger than 8-1/4” diam-
eter.
4. Motor Brushes – Inspect the two
motor Brushes (55) after the first 50
hours of saw use. After that, check
every 10 hours. Replace if necessary
by a qualified technician.
Improper Brush maintenance can
cause motor failure. The Brush Caps
(56) are located on each side of the
motor housing.
5. Lubrication – The Radial Arm Saw
does not require initial lubrication.
Periodically, however, check all mov-
ing parts (i.e., knobs, levers, column
shaft, Elevating Handle, shafts) to
make sure that they move smoothly.
If lubrication is required, use a small
amount of light oil. Do not oil the Car-
riage Arm bearings because they are
sealed and do not require lubrication.
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troubleshooting
pROBLeM
Saw will not make a square
crosscut or a good 60° mitre
cut.
cAuSe
SOLutIOn
1. Arm is not perpendicular to the rip fence
1. Adjust the crosscut travel with the rip fence
2. Too much play between the arm and column 2. Tighten the column sleeve bolt
3. Yoke too loose when clamped to carriage
4. Dust between stock and rip fence
5. Table is not parallel with arm
3. Adjust Yoke clamp handle
4. Clean worktable
5. Adjust Table A
6. Rip Fence is not straight.
6. Replace rip fence.
7. Rear edge of table A not straight
1. Saw Blade not perpendicular to worktable
7. Sand or replace Table A
1. Adjust Saw Blade
60° cut not accurate
2. Too much play between arm and column
2. Tighten column sleeve bolt
3. Yoke is too loose when clamped to carriage 3. Adjust Yoke Clamp Handle
4. Bevel Lock Knob is loose
4. Adjust Bevel Lock Knob
5. Table is not parallel with arm
5. Adjust Table A
Workpiece has a tendency
to walk away from the fence
when ripping
1. Saw Blade is not parallel with the fence.
1. Adjust Saw Blade
2. Arm is not perpendicular to the rip fence.
2. Adjust cross cut travel with rip fence
Saw Blade tends to advance
over the stock too fast
1. Dull Saw Blade
1. Replace or sharpen blade
2. Not pulling the Saw Blade properly
2. Draw Saw Blade across stock with a slow
and steady pull
Cut depth varies from one end Too much play between the arm and column
to the other
Tighten column sleeve bolt
Saw does not travel smoothly 1. Dirty tracts
1. Clean tracts
in arm tracks
2. Bad Bearings
Screw loose on Elevating Handle
2. Replace Bearings
Tighten Screw
Elevating Handle slips when
elevating or lowering the Saw
Blade
Clamping knobs do not hold
motor assembly to the set
position(s)
Treads stripped on knob(s)
Replace knob(s)
Saw Blade scores workpiece, 1. Saw Blade is leaning to one side
1. Adjust Saw Blade square to rip fence
2. Tighten column sleeve bolt
3. Adjust Yoke Clamp Handle
4. Replace Saw Blade
not giving a good finished cut
2. Too much play between arm and column
3. Yoke too loose when clamped to carriage
4. Saw Blade bent or dull
5. Not feeding saw properly
5. Draw the Saw Blade across stock with a
slow and steady pull
6. Using improper Saw Blade for finish cut
desired
6. Replace Saw Blade
Saw Blade or dado blades
tend to push stock to one side
when cross-cutting
1. Saw Blade is heeling
1. Adjust Saw Blade square to the rip fence
2. Tighten column sleeve bolt
3. Adjust Yoke Clamp Handle
4. Replace rip fence
2. Too much play between arm and column
3. Yoke too loose when clamped to carriage
4. Rip fence not straight
5. Dull Saw Blade
Saw Blade Stalls when ripping 1. Arbor Nut loose
5. Replace or sharpen Saw Blade
1. Tighten
2. Dull Saw Blade
2. Replace or sharpen
3. Saw Blade not parallel to fence
Motor will not reach full speed 1. Faulty ON/OFF Switch
or power
3. Adjust Saw Blade or fence to parallel
1. Have the Switch unit checked by a qualified
technician
2. Circuit overloaded with other appliances
2. Use a different circuit for the machine
3. Replace motor
3. Motor windings burned out
4. Circuit used is under rated for this
application
4. Use a different circuit with sufficient power
for this machine
Motor overheats, stalls, trips
the circuit breakers or fuses
1. Overloaded motor
1. Feed stock into Saw Blade more slowly
2. Improper cooling caused by excessive
sawdust accumulation around the motor
2. Clean motor housing with compressed air
3. Motor winding burned out or open
3. Replace motor using a qualified technician
4. Power source circuit breakers do not have
4. Install proper size circuit breakers or change
circuits to one with more capacity
sufficient power capacity
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pARtS LISt
part
1
Description
Q’ty part
Description
Carbon Brush
Q’ty part
Description
Q’ty
1
8
2
1
1
1
1
1
2
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
2
1
2
1
1
1
1
1
1
1
1
2
4
4
4
2
1
1
1
4
4
1
1
Nameplate
1
2
1
1
3
69
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
2
1
1
1
1
1
2
2
1
1
1
4
1
2
1
1
1
1
5
1
1
1
2
2
1
1
1
2
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
2
2
1
1
1
2
2
1
1
1
1
1
2
1
1
6
1
1
1
1
1
1
4
4
1
2
1
8
8
5
1
1
1
1
1
1
1
1
1
1
2
2
2
1
5
5
1
1
2
1
1
1
1
1
108 Arm
2
Screw M5×8
Brush Cap
108-1 CountersunkFlatHeadScrew
108-2 Rail
3
Washer 5
Tilt Stop Bolt
4
Dust Guide
Pressure Spring (2)
Handle Cover
109 Scale Label (Right)
110 Feed Screw
111 Cable
5
Yoke Index Knob
Nut M6
6
Tapping Screw St3.9×12
Tapping Screw St2.9×6.5
Handle Cover
7
Guard Clamping Screw
Flexible Guard
Label
112 Arm Base
8
113 Washer 12
9
Spring Pin 4×20
Collet Nut
114 Pressure Spring (5)
115 Bolt M12×60
116 Buffer Piece
117 Nut M12
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
Safety Guard
Guard Plate
Screw M5×8
Spring Washer 5
Anti-kickback Arm Ass’y
Stud Bolt
Clamp Handle
Spring Board
118 Cable Cover
119 Pressure Spring (5)
120 Fixed Bolster
121 Cable Binder
122 Switch
Scale Label Board
Dial Disc
Bolt M8×14(left)
Outside Flange
Saw Blade
Tapping Screw St4.8×16
Bevel Lock Knob
Pressure Spring (1)
C-clip
Inside Flange
Gear Shaft
123 Switch Case
124 Key
Pressure Spring (1)
Retaining Ring 6
Stopper Pin
74a Bevel Lock Knob
125 Table A
74b Carriage Lock Knob
126 Table B
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
Knob Pin
127 Table C
Key B4×22
Bearing Shaft
Bearing 60029
Stopper Shaft
Thin Washer 16
Carriage
128 Guide Post Nut
129 C-clip
Tapping Screw St4.8×38
Screw M5×20
Gear Case Cover
Screw M4×8
130 Spring Pin 6×12
131 Column
132 Guide Rail
Bearing 80104
Stopper Washer
Output Gear
Spring Washer 8
Nut M8
133 Screw M5×10
134 Spacer
Washer 6
135 Washer 4
Retaining Ring 20
Needle Bearing K101410
Wood Screw 5×70
Thin Washer 12
Middle Shaft
Fixed Spring Leaf
Hex. Head Bolt
Switch Baffle
Handle A
136 Gauge
137 Screw Clamp
138 Column Clamping Washer
139 Screw M5×12
140 Washer 12
Pressure Spring (4)
Cross Baffle
Spacer
Needle Bearing K121613
Middle Gear
141 Arm Lock Bolt M12×65
142 Arm Index Knob
143 Pressure Spring (3)
144 C-clip
Tapping Screw St4.8×32
Gear Case Cover
Bearing 80102
Fan Guide
Pressure Spring (4)
Lock On Button
Trigger
145 Column Base
146 Table Clamp
147 Bolt M8×14
148 Round Head Bolt M8×16
149 Washer M8
150 Stand
Screw M6×16
Washer 6
Fan
Rotor
Spring Washer 6
Handle B
Stator
Cable Coil
Screw M6×12
Spring Washer 6
Cable Clip
151 Fixed Base (Right)
152 Base
Tapping Screw St3.5×9.5
Cable Cover
100 Elevating Handle
101 Arm Cap
153 Fixed Base (Left)
154 Round Head Bolt M6×16
165 Screw M6 x 16
166 Housing
Tapping Screw St3.9×16
Screw M4×10
End Cap
102 Screw M4×12
103 Collet Nut M14
104 Washer 14
Grip Nut
105 Cord Clamp
106 Lead Wire
167 Bushing
Conical Collet Chuck
Brush Holder
107 Scale Label (Left)
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ASSeMBLY DIAgRAM (1-97)
Record product’s Serial number Here:
note: If product has no serial number, record month and year of purchase instead.
note: Some parts are listed and shown for illustration purposes only, and are not avail-
able individually as replacement parts.
SKU 42933
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ASSeMBLY DIAgRAM (98-167)
SKU 42933
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pLeASe ReAD tHe FOLLOWIng cAReFuLLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS MANUAL
AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER NOR DISTRIBUTOR MAKES ANY
REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO
MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS
OF THE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY STATES THAT
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 REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARIS-
ING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.
LIMIteD 90 DAY WARRAntY
Harbor Freight Tools Co. makes every effort to assure that its products meet high
quality and durability standards, and warrants to the original purchaser that this product
is free from defects in materials and workmanship for the period of 90 days from the date
of purchase. This warranty does not apply to damage due directly or indirectly, to misuse,
abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity,
improper installation, normal wear and tear, or to lack of maintenance. We shall in no event
be liable for death, injuries to persons or property, or for incidental, contingent, special or
consequential damages arising from the use of our product. Some states do not allow the
exclusion or limitation of incidental or consequential damages, so the above limitation of
exclusion may not apply to you. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTH-
ER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MER-
CHANTABILITY AND FITNESS.
To take advantage of this warranty, the product or part must be returned to us with
transportation charges prepaid. Proof of purchase date and an explanation of the complaint
must accompany the merchandise. If our inspection verifies the defect, we will either repair
or replace the product at our election or we may elect to refund the purchase price if we
cannot readily and quickly provide you with a replacement. We will return repaired prod-
ucts at our expense, but if we determine there is no defect, or that the defect resulted from
causes not within the scope of our warranty, then you must bear the cost of returning the
product.
This warranty gives you specific legal rights and you may also have other rights which
vary from state to state.
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353
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