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Page 4

SKU 90288

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

18. 

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.

19. 

Use proper size and type extension cord

. If an extension cord is required 

for the air compressor (not included), it must be of the proper size and type to 

supply the correct current to the tool without heating up. Otherwise, the exten-

sion cord could melt and catch fire, or cause electrical damage to the tool.

20. 

Maintenance

.  For your safety, service and maintenance should be performed 

regularly by a qualified technician.

Note

: Performance of the compressor that powers this tool (if powered by line volt-

age) may vary depending on variations in local line voltage. Extension cord usage 

may also affect compressor performance.

WARNINg: Some dust created by power sanding, sawing, grinding, drilling, 

and other construction activities, contain chemicals known [to the State of 

California] to cause cancer, birth defects or other reproductive harm.  Some 

examples of these chemicals are: 

 

*Lead from lead-based paints 

 

*Crystalline silica from bricks and cement or other masonry products 

 

*Arsenic and chromium from chemically treated lumber 

Your risk from these exposures varies, depending on how often you do this 

type of work.  To reduce your exposure to these chemicals: work in a well 

ventilated area, and work with approved safety equipment, such as those 

dust masks that are specially designed to filter out microscopic particles. 

(California health & Safety Code § 25249.5, et seq.)
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.

Unpacking

When unpacking, check to make sure all parts listed on Page 7 are included. 
If any parts are missing or broken, please call Harbor Freight Tools at the number 

on the cover of this manual.

Summary of Contents for 90288

Page 1: ... 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 Diagrams within this manual may not be drawn proportionally Due to continuing improvements actual product may differ slightly from the product described herein Tools required for assembly and service may not be included For te...

Page 2: ...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 t...

Page 3: ...rting Be sure the air compressor switch is in the Off position when not in use and before connecting to this tool Do not carry any tool with your finger on the trigger whether it is plugged in or not 13 Stay alert Watch what you are doing use common sense Do not operate any tool when you are tired 14 Take caution as some woods contain preservatives such as copper chro mium arsenate CCA which can b...

Page 4: ...rilling and other construction activities contain chemicals known to the State of California to cause cancer birth defects or other reproductive harm Some examples of these chemicals are Lead from lead based paints Crystalline silica from bricks and cement or other masonry products Arsenic and chromium from chemically treated lumber Your risk from these exposures varies depending on how often you ...

Page 5: ...manual and the instruction manual for the Air Compressor being used This air tool requires lubrication during operation For best results it is recom mended to have an oiler and water filter in line with the air supply as shown in the diagram above This will extend the life of the tool To Attach Sanding Paper And The Pad 1 Ensure that the Pad is firmly screwed onto the Drive Spindle 38 The Spindle ...

Page 6: ...all attachments are secure before turning on the tool 5 Grip the Handle with your left hand and the Housing 1 with your right reverse if you are left handed Depress the Trigger 16 with your right hand to turn the tool on Allow the motor to reach its full speed before sanding Make sure the Air Sander is running properly Make sure the Pad is rotating evenly and all parts appear to be working properl...

Page 7: ... Blade 5 28 Work Spindle 1 29 Woodruff Key 1 30 Rear Gasket 1 31 Rear Cover 1 32 Screw 2 Part Description Q ty 33 Screw 2 34 Balancer 1 35 Screw 1 36 Screw 1 37 Bearing 1 38 Drive Spindle 1 39 Retainer Ring 1 40 Cap 1 41 Spindle Lock 1 42 Washer 1 43 Screw 1 44 Pad 1 45 Washer 1 46 Wrench 1 PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN TH...

Page 8: ...Page 8 SKU 90288 For technical questions please call 1 800 444 3353 Assembly Drawing REV 04i 04k 05e 06d 10f 46 ...

Page 9: ...ntal or consequential damages so the above limitation of exclusion may not apply to you This warranty is expressly in lieu of all other warranties express or implied including the warranties of merchantability and fitness To take advantage of this warranty the product or part must be returned to us with trans portation charges prepaid Proof of purchase date and an explanation of the complaint must...

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