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SKU 93900

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

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®

3491 Mission Oaks Blvd.  •  P.O. Box 6009  •  Camarillo, CA 93011  •  (800) 444-3353

LIMITED

2 YEAR 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 two years from the date of purchase. This warranty
does not apply to damage due directly or indirectly to misuse, abuse, negligence or accidentals;
repairs or alterations outside our facilities; 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.

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 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
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.

Assembly Drawing

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 DIS-
TRIBUTOR 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 MANUFAC-
TURER AND/OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS RE-
PLACEMENTS 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 ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.

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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