AIR DRILL- I/2 INCH
07528
ASSEMBLY AND OPERATING INSTRUCTIONS
3491 Mission Oaks Blvd., Camarillo, CA 93011
Copyright © 2004 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 07g
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9. 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.
10. 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.
11. 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.
12. 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.
13. Use eye and ear protection. Always wear ANSI approved impact safety
goggles. Wear an ANSI approved dust mask or respirator when working
around metal, wood, and chemical dusts and mists. Wear ear plugs.
14. Do not overreach. Keep proper footing and balance at all times. Do not
reach over or across running machines.
15. Maintain tools with care. Keep tools sharp and clean for better and safer
performance. Follow instructions for lubricating and changing accessories.
Inspect tool 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.
16. Remove adjusting keys and wrenches. Check that keys and adjusting
wrenches are removed from the tool or machine work surface before
plugging it in.
17. Stay alert. Watch what you are doing, use common sense. Do not operate
any tool when you are tired.
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.
19. Maintenance. For your safety, service and maintenance should be
performed regularly by a qualified technician.
20. Check for damaged parts. Before using any tool, any part that appears
damaged should be carefully checked to determine that it will operate
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Page 3
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.
21. 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.
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.
Warning: The brass components of this product contain lead, a chemical
known to the State of California to cause birth defects (or other reproductive
harm). (California Health & Safety Code 25249.5 et seq.)
Unpacking
When unpacking, check to make sure that the following parts 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.
Air Connection
1. If desired, for easy connection or removal, attach an Air Quick Coupler (not
supplied) to the air compressor hose.
2. Attach the Air Quick Coupler (not supplied) to the Air Inlet (13) fitting.
3. Tighten all couplings and fittings. See photos on the next page.
REV 07g
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Oiler and Filter Connection
Dirt, water, and the lack of pneumatic tool oil are major causes for tool wear. In-
stall an optional oiler-filter, as illustrated below for better performance.
1. Connect the air tool, air hoses, filter, and oiler to the Compressor Air Outlet
as illustrated below.
The filter and oiler (not supplied) are recommended but not mandatory for
operation.
If the filter and oiler are not used, connect the air hose directly to the 1/4
inch, 18 NPT connector located at the Air Inlet (13) fitting. Also, a few drops
of pneumatic tool oil must be added through the air line before each use.
Note: Use pipe thread seal or Teflon tape on all threaded connections.
Side Handle
1. Slip the Brass Ring (35) over the Clamp Nut (30) and point the treads to
either the left or right side for the desired operation. See photo on the cover.
2. Screw the Handle (34) onto the threads of the Brass Ring and tighten.
Operation
1. Attach the desired bit (not supplied) to the Air Drill Chuck (32), making sure it
is locked in place with Chuck Key (36).
2. Connect the compressor air hose (3/8”) to the Air Inlet (13) on the handle of
the housing (1).
3. Set the (1.5 HP minimum) air compressor pressure regulator to 90 PSI.
REV 07g
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If any air leaking, disconnect the air hose and repair the leak.
4. Grip the Air Drill firmly with both hands and press down on the Trigger (8).
Caution: If the Air Drill will not turn, or if it stalls while drilling, do not raise the
outlet pressure of the air compressor. Do not continue with attempts to drill
until the problem is resolved.
5. When you are finished drilling, turn the compressor off, then remove the
hose connection to the Air Drill.
Maintenance
1. After each use, wipe the Air Drill with a clean cloth to remove any dirt and
grease buildup.
2. To maintain tool life, always lubricate the air line by adding a few drops of
pneumatic tool oil to the air line before each use. Or, install the automatic
oiler-filter system as illustrated on page 5.
3. Before each use, drain water out of the air compressor tank and
condensation from the air lines. Refer to the Air Compressor Operator’s
Manual.
Manual Tool Lubrication
1. Disconnect the Air Drill from the air supply and turn it so the Air Inlet fitting is
facing upward.
2. Hold the Trigger (8) in and place a few drops of pneumatic tool oil into the
air inlet (use SAE #10 weight oil if air tool oil is not available). Holding the
Trigger lever in helps circulate the oil in the air motor.
3. Connect the Air Drill to the air supply and cover the Muffler Cover (11) with a
towel. Run for a few seconds. Excess oil with be blown out the Muffler Cover.
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 BYTHE 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
PARTS THERETO.
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Parts List
37.
Grip
1
NOTE: Some parts are listed and shown for illustration purposes only and
are not available individually as replacement parts.
Assembly Drawing
REV 07g
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