Central Pneumatic Air Compressor 33567 User Manual
®
®
COMBO RATCHET/IMPACT SET
Assembly and Operating Instructions
3491 Mission Oaks Blvd. / Camarillo, CA 9301 1
Copyright © 1997 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.
REVISED 12/02 05/04
SPECIFICATIONS
RATCHET WRENCH —
Average Air Consumption 4 CFM
Recommended Air Pressure 90 PSI
Air Inlet ¼” NPT
Free Speed 150 RPM
Maximum Torque (ft. lbs.) 45
IMPACT WRENCH —
Bolt Capacity 1/2"
Speed 7000 RPM
Air Inlet ¼” NPT
Sockets 7/16" – 1"
Maximum Torque (ft. lbs.) 230
SA VE THIS MANUAL
You will need the manual for the safety warnings and cautions, assembly instructions, operating
procedures, maintenance procedures, trouble shooting, parts list, and diagram. Keep your
invoice with this manual. Write the invoice number on the inside of the front cover. Keep
both this manual and your invoice in a safe, dry place for future reference.
SAFETY W ARNING & CAUTIONS
WARNING: When using pneumatic equipment, basic safety precautions should always be
followed to reduce the risk of personal injury and hazards due to over pressurization. READ ALL
INSTRUCTIONS BEFORE USING THIS TOOL!
1. KEEP WORK AREA CLEAN. Cluttered areas invite injuries.
2. OBSERVE WORK AREA CONDITIONS. Do not use tools in damp, wet, or poorly lit locations. Don’t expose to rain. Keep work area well lit. Do not use electrically powered air
compressors 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 hoses. Keep others a safe distance from tool while tool is in
operation as accidental actuation may occur , possibly causing injury.
4. STORE IDLE EQUIPMENT. When not in use, tools must be locked up in a dry location to
inhibit rust. Always lock up tools and keep out of reach of children.
5. DO NOT FORCE THE 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’s
capacities.
For technical questions, please call 1-800-444-3353.
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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. Do not use a 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. Non-skid footwear is recommended. Wear restrictive hair covering to contain long hair .
8. USE EYE AND EAR PROTECTION. Always wear ANSI-approved chemical splash goggles
when working with chemicals. Always wear ANSI-approved impact safety goggles at other
times. 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. When operating for extended periods of time, use approved ear protection.
Safety goggles and ear protectors are available from Harbor Freight Tools.
9. DO NOT ABUSE THE POWER CORD. Do not yank compressor’s cord to disconnect it
from the receptacle. Do not carry tools by the cord.
10. DO NOT OVERREACH. Keep proper footing and balance at all times. Do not reach over or
across running machines.
11. MAINTAIN TOOLS WITH CARE. Keep tools sharp and clean for better and safer performance. Follow instructions for lubricating and changing accessories. Inspect compressor’s
cord periodically and, if damaged, have it repaired by an authorized technician. Inspect all
hoses for leaks prior to use. The handles must be kept clean, dry, and free from oil and
grease at all times.
12. REMOVE ADJUSTING KEYS AND WRENCHES. Make it a habit to check that keys and
adjusting wrenches are removed from the tool or machine work surface before plugging it in.
13. AVOID UNINTENTIONAL STARTING. Do not carry any tool with your finger on the trigger,
whether it is connected to the compressor or not.
14. STAY ALERT. Watch what you are doing; use common sense. Do not operate any tool when
you are tired.
15. CHECK 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.
16. REPLACEMENT PARTS AND ACCESSORIES. When servicing, use only identical replacement parts. Use of any other part s will void the warranty. Only use accessories intended for
use with this tool. Approved accessories are available from Harbor Freight Tools.
17. 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.
For technical questions, please call 1-800-444-3353.
Page #3 -- SKU: 33567
18. DRAIN COMPRESSOR EVERY DAY. Do not allow moisture to build up inside the compressor. Do not allow compressor to sit pressurized for longer than one hour.
19. MAKE SURE ALL EQUIPMENT IS RATED TO THE APPROPRIATE CAPACITY. Make
sure that the regulator is set at least 10 PSI lower than the lowest rated piece of equipment
you are using.
20. DO NOT USE OXYGEN, COMBUSTIBLE GASES, OR BOTTLED GASES AS A POWER
SOURCE. The tool may explode, possibly causing injury.
21. DO NOT EXCEED the recommended air pressure of 90 PSI.
22. TOOL MUST NOT HOLD PRESSURE WHEN AIR SUPPLY IS DISCONNECTED. If a
wrong fitting is used, the tool can remain charged with air after disconnecting and thus will
be able to cycle after the air line is disconnected possibly causing injury.
23. ALWAYS DISCONNECT AIR SUPPLY: Before making adjustments, when servicing the
tool, when clearing a jam, when tool is not in use, or when moving to a different work area,
as accidental actuation may occur, possibly causing injury.
24. DISCONNECT POWER. Unplug compressor when not in use.
25. OUTDOOR EXTENSIONS CORDS. When the equipment is operated outdoors, use only
extension cords intended for outside use. See chart under “Extension Cords” for the proper
AWG rating depending on the length of the cord(s) being used.
26. DO NOT ABUSE THE POWER CORD. Do not yank it to disconnect it from the receptacle.
Do not carry tools by the cord.
27. GUARD AGAINST ELECTRIC SHOCK. Prevent body contact with grounded surfaces such
as pipes, radiators, ranges, and refrigerator enclosures.
For technical questions, please call 1-800-444-3353.
Page #4 -- SKU: 33567 REV 12/02
GROUNDING INSTRUCTIONS
If compressor has a three-prong plug
1. This machine has a three-prong plug. The third prong (round) is the ground. Plug the
machine’s cord only into three-prong receptacles. Never cut off the round prong. Cutting of f
the ground will result in a safety hazard and void the warranty.
2. If a three-prong receptacle is not available, you may use an adapter . Extending from the male
end of the adapter, you will find a ring connector or wire lead with a ring connector where the
ground (round prong) would be. Remove the center screw of the outlet cover and put the
screw through the ring connector and back into the hole of the outlet cover. Do not overtighten or you will crack the outlet cover.
If compressor has a two-prong plug
This machine has a polarized plug. One prong is wider than the other prong. This plug will fit in
polarized outlet only one way. If the plug does not fit fully in the outlet reverse the plug. If it still
does no fit, contact a qualified electrician to install the proper outlet. Do not attempt to modify
the plug in any way. Modifying the plug will result in a safety hazard and void the warranty.
For technical questions, please call 1-800-444-3353.
Page #5 -- SKU: 33567 REV 12/02
UNPACKING
When unpacking, check to make sure the following parts are included. All sizes listed below are
approximate. If any parts are missing or broken, please call Harbor Freight Tools at the number
on the cover of this manual.
Item# Description Item# Description
N/A 3/8" Ratchet Wrench N/A Impact Sockets (7/16" – 1")
N/A 1/2" Impact Wrench N/A Oil Pot
N/ A 3/8" to 1/2" Adapter N/ A Air Coupler
N/A 4mm Hex Wrench
ASSEMBLY
Your Air Ratchet comes completely assembled.
Air Connection for Ratchet
Step 1: Remove the plastic cap from the rear of the CONNECTION HEAD (#2).
Step 2: Wrap the threads of the Air Coupler with pipe thread seal tape (not included). Attach
the Air Coupler to the CONNECTION HEAD. Tighten the fitting.
Step 3: Your Air Ratchet is ready for use.
Impact Wrench
This Impact Wrench develops a maximum of 230 ft/lbs. of torque. The amount of torque can be
increased or decreased using the AIR REGULATOR (#11). When the Air Regulator is
completely screwed in it is at it’s lowest setting. Air pressure increases as you loosen the Air
Regulator.
For technical questions, please call 1-800-444-3353.
Page #6 -- SKU: 33567 REV 12/02 REV 05/04
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