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SKU 93900

For technical questions, please call 1-800-444-3353.

Page 2

Specifications

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Save this Manual

You will need the manual for the safety warnings and precautions, assembly instruc-
tions, 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.

Disconnect air before servicing

.  Do not attempt to disassemble, or service

tool with air hose attached.

2.

Use only specified operating air pressure

.  Never operate tool above the

specified operating air pressure range.

3.

Compressed air only

.  Use clean, dry regulated compressed air between 70

and 100 PSI.  Never use oxygen, carbon dioxide, combustible gases, or any
other bottled gas as a power source for this tool.

4.

Avoid possible kickback injury.

  Hold the tool with both hands during operation

so that your head and body are not injured by possible kickback of the tool.

5.

Use care when transporting tool.

  Disconnect tool from air supply when moving

tool in the workplace. Carry tool only by the handle without drawing the trigger.

6.

Keep work area clean

.  Cluttered areas invite injuries.

7.

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.

8.

Keep children away

.  Children must never be allowed in the work area.  Do not

let them handle machines, tools, or extension cords.

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.

Summary of Contents for 93900

Page 1: ...www harborfreight com Copyright 2006 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 93900 Due to continuing improvements actual product may differ slightly from the product ...

Page 2: ...e the risk of personal injury and damage to equipment Read all instructions before using this tool 1 Disconnect air before servicing Do not attempt to disassemble or service tool with air hose attached 2 Use only specified operating air pressure Never operate tool above the specified operating air pressure range 3 Compressed air only Use clean dry regulated compressed air between 70 and 100 PSI Ne...

Page 3: ...ool 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 before operating 17 Stay alert Watch what you are doing use common sense Do not operate any tool when you are tired 18 Replacement parts and ...

Page 4: ...itions 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 Unpacking When unpacking check to make sure that all the parts are included Refer to the Parts List and Parts Diagram at the end of this manual If any parts are missing or broken please call Harbor Freight ...

Page 5: ... shank of the Drill Bit 46 Operation Controls and Adjustments Arm 50 Drill Bit 46 Supporter 45 Adjustment Wheel 29 Trigger 12 Air Inlet 56 Muffler 54 Retaining Ring 48 Lock Nut 47 Drilling a Spot Weld 1 Push in on the Supporter 45 and verify that it lines up with the top of the Drill Bit 46 2 Measure the height of the spot weld to be drilled Turn the AdjustmentWheel 29 so that the distance between...

Page 6: ...l Bit to continue further the drilling is complete If part of the spot weld remains turn the Adjustment Wheel 29 to allow the Drill Bit to drill deeper and repeat steps 5 to 8 9 When finished drilling turn the compressor off and remove the hose connection to the Air Drill 10 Press and hold in the Trigger 12 to release any air remaining in the Air Drill Maintenance 1 After each use wipe the Air Dri...

Page 7: ...l Bearing R8 1 2 Pin 3x27 8 1 33 Gear Cage 2 5 O ring 3 9x2 25x2 1 34 Gear 2 7 O ring 3 5x1 5 1 35 Pin 3x17 8 2 8 Valve Stem 1 36 Washer 1 9 O ring P14 3 37 Ball Bearing R6zz 1 10 Valve Bushing 1 38 Internal Gear 1 11 Spring 1 39 Bit Holder 1 12 Trigger 1 40 Set Screw M5x5 1 13 Set Screw M4x4 1 41 Set Screw M4x6 1 14 Ball Bearing 696zz 1 42 Housing Supporting 1 15 Set Screw M3x12 1 43 Spring 1 16 ...

Page 8: ...he 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 products 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...

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