Harbor Freight Tools 42933 User Manual
RADIAL ARM SAW
1
8-
/4 INCH
42933
ASSEMBLY AND OPERATING
INSTRUCTIONS
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our Web site at http://www.harborfreight.com
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.
For technical questions and replacement parts, please call 1-800-444-3353.
REV 11/04; 12/06
Specifications
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You will need the manual for the safety warnings and precautions, assembly instructions,
operating and maintenance procedures, parts list and diagram. Keep your invoice with this
manual. Write the invoice number on the inside of the front cover. Keep the manual and
invoice in a safe and dry place for future reference.
Safety Warnings and Precautions
WARNING: When using tool, basic safety precautions should always be followed to
reduce the risk of personal injury and damage to equipment.
Read all instructions before using this tool!
1. Keep work area clean. Cluttered areas invite injuries.
2. Observe work area conditions. Do not use machines or power tools in damp or wet
locations. Don’t expose to rain. Keep work area well lighted. Do not use electrically
powered tools in the presence of flammable gases or liquids.
3. Keep children away. Children must never be allowed in the work area. Do not let
them handle machines, tools, or extension cords.
4. Store idle equipment. When not in use, tools must be stored in a dry location to
inhibit rust. Always lock up tools and keep out of reach of children.
5. Do not force tool. It will do the job better and more safely at the rate for which it was
intended. Do not use inappropriate attachments in an attempt to exceed the tool
capacity.
SKU 42933 For replacement parts, please call 1-800-444-3353. Page 2
6. Use the right tool for the job. Do not attempt to force a small tool or attachment to
do the work of a larger industrial tool. There are certain applications for which this tool
was designed. Do not modify this tool and do not use this tool for a purpose for which
it was not intended.
7. Dress properly. Do not wear loose clothing or jewelry as they can be caught in
moving parts. Protective, electrically nonconductive clothes and nonskid footwear are
recommended when working. Wear restrictive hair covering to contain long hair.
8. Use eye and ear protection. Always wear ANSI approved impact safety goggles.
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.
9. Do not overreach. Keep proper footing and balance at all times. Do not reach over or
across running machines.
10. Maintain tools with care. Keep tools sharp and clean for better and safer
performance. Follow instructions for lubricating and changing accessories. Inspect tool
cords periodically and, if damaged, have them repaired by an authorized technician.
The handles must be kept clean, dry, and free from oil and grease at all times.
11. Disconnect power. Unplug when not in use.
12. Remove adjusting keys and wrenches. Check that keys and adjusting wrenches
are removed from the tool or machine work surface before plugging it in.
13. Avoid unintentional starting. Be sure the switch is in the Off position and locked
when not in use, and before plugging in. Do not carry any tool with your finger on the
trigger, whether it is plugged in or not.
14. Stay alert. Watch what you are doing, use common sense. Do not operate any tool
when you are tired.
15. Take caution as some woods contain preservatives such as copper chromium
arsenate (CCA) which can be toxic. When cutting these materials extra care should
be taken to avoid inhalation and minimize skin contact.
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 any switch does not turn On and Off 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. When servicing, use only identical
replacement parts. 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.
SKU 42933 For replacement parts, please call 1-800-444-3353. Page 3
19. Do not operate tool if under the influence of alcohol or drugs. Read warning
labels on prescriptions to determine if your judgment 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 tool without heating
up. Otherwise, the extension cord could melt and catch fire, or cause electrical
damage to the tool. This tool requires use of an extension cord of 0 to 10 amps
capability (up to 50 feet), with wire size rated at 18 AWG. Longer extension cords
require larger size wire. If you are using the tool outdoors, use an extension cord rated
for outdoor use (signified by “WA” on the jacket).
21. Maintenance. For your safety, service and maintenance should be performed
regularly by a qualified technician.
Safety Precautions When Using Radial Saws
1. Disconnect the line cord from the electrical outlet before servicing the Radial Arm Saw.
2. After cutting, wait until the saw blade comes to a complete stop before removing stock
from the table, reaching around the saw blade, or leaving the area.
3. Never walk away and leave the saw running.
4. When making rip cuts, feed the stock into the blade against the direction of the blade
rotation.
5. Always use a push stick when ripping small or thin stock.
6. Keep saw blade sharp and free of all rust and pitch.
7. Always use the anti-kickback finger attachment when making rip cuts. Feed stock from
the opposite end from the anti-kickback finger attachment.
8. Always use the saw blade guides and fence, and never push stock being cut by hand.
9. Tighten and lock all adjusting (saw blade positioning) screws before operating.
10. Keeps hands out of the path of the saw blade during operation.
11. Only use 8-inch saw blades with 5/8 inch arbor on this machine.
12. Always secure the stock being cut with clamps whenever possible.
13. Make sure that the Switch is in the OFF position before plugging the line cord into the
electrical outlet.
14. Many saw accidents are caused by dull, badly set, and improperly filed cutting blades;
gum or resin adhering to the cutting blade; and by saw blade misalignment with the
fence. Such conditions can cause the stock to stick, jam, stall the saw blade, or kick
back at the operator. Never use carbide blades to cut anything other than wood;
cutting hard materials can cause the carbide blade to shatter and break apart.
SKU 42933 For replacement parts, please call 1-800-444-3353. Page 4
WARNING: Never attempt to free a stalled saw blade without first turning OFF the
saw motor.
15. Provide proper support for the stock based on its size and the type of operation to be
performed.
16. Avoid awkward hand positions (i.e., crossing arms during operation) in which a
sudden slip could cause your hand to move into the moving saw blade.
17. Before making any adjustments to the Radial Arm Saw, the Switch should be in the
OFF position and the Switch locked OFF.
18. Never turn the Radial Arm Saw ON before clearing the table and work surface of all
objects (tools, scraps of wood, etc.), except the stock to be cut.
19. Always 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.
20. Never cut more than one piece of stock at a time, for any type of cut.
21. When cross cutting, always return the carriage arm to the rear position before letting
go of the Handle.
22. Avoid Kickback of stock:
- For rip cuts, the saw blade must be exactly parallel to the fence to prevent pinching or
heeling. Use a stock separator on the output side of the stock cut.
- Only feed the stock against the rotation of the saw blade.
- Keep the stock firmly on the table while cutting.
23. When making rip cuts:
- Push only on the main section of stock, between the saw blade and the fence.
- Always use a push stick, never your hands.
- Do not release the stock before the cut is complete, and push beyond the saw blade.
- Always push the stock through the saw blade, never pull it through from the opposite
direction.
- Always use the anti-kickback claws.
- Do not rip stock that is bowed, warped, or has nonparallel edges.
24. The use of abrasive, cut off, or wire wheels can be dangerous and is not
recommended.
Note: Performance of this tool 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 42933 For replacement parts, please call 1-800-444-3353. Page 5
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 missing or broken, please
call Harbor Freight Tools at the number on the cover of this manual as soon as possible.
Installation
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 necessary.
- 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.
- The workbench should be of the appropriate 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 adequate, overhead, non-glare lighting.
- Always lock the radial arm carriage before moving the unit.
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).
4. Place the Table and Base assembly on the workbench,
right side up. Secure to the workbench with nuts, bolts,
and washers (not supplied).
5. Position Table B (126) and Table C (125), and the rip
fence (guide) and secure them by partially tightening the
two screw clamps built into the Base assembly.
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 degrees (left and right).
7. Attach the Elevating Handle assembly to the Arm using
the Allen wrench (provided).
8. Attach the Saw Blade (17) to the Gear Shaft (19) and
secure with the Outside Flange (16) and Bolt (15).
REV 03/01
SKU 42933 For replacement parts, please call 1-800-444-3353. Page 6
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