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SKU 66881 

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

Page 5

e. 

Store the tool when it is idle out of 

reach of children and other un-

trained persons.

 A tool is dangerous 

in the hands of untrained users.

f. 

maintain the tool with care. 

Keep a 

cutting tool sharp and clean. A prop-

erly maintained tool, with sharp cut-

ting edges reduces the risk of binding 

and is easier to control.

g. 

check for misalignment or bind-

ing of moving parts, breakage of 

parts, and any other condition that 

affects the tool’s operation. 

If dam-

aged, have the tool serviced before 

using.  Many accidents are caused 

by poorly maintained tools. There is a 

risk of bursting if the tool is damaged.

h. 

use only accessories that are 

identified by the manufacturer for 

the specific tool model.

 Use of an 

accessory not intended for use with 

the specific tool model, increases the 

risk of injury to persons.

Service

a. 

Tool service must be performed 

only by qualified repair personnel.

b. 

When servicing a tool, use only 

identical replacement parts. use 

only authorized parts.

c. 

use only the lubricants supplied 

with the tool or specified by the 

manufacturer.

air source

a. 

never connect to an air 

source that is capable of 

exceeding 200 psi.

 Over 

pressurizing the tool may 

cause bursting, abnormal operation, 

breakage of the tool or serious injury 

to persons. Use only clean, dry, 

regulated compressed air at the rated 

pressure or within the rated pressure 

range as marked on the tool. Always 

verify prior to using the tool that the 

air source has been adjusted to the 

rated air pressure or within the rated 

air-pressure range.

b.  Stay within the maximum air pressure 

capacity 

(90 pSi)

.  Never operate the 

Sander above 90 PSI.

c. 

Never use oxygen, carbon dioxide, 

combustible gases or any bottled 

gas as an air source for the tool.

 

Such gases are capable of explosion 

and serious injury to persons.

  SaVe tHeSe 

inStructiOnS.

SymbOlS and 

SpeciFic SaFety 

inStructiOnS

Symbol Definitions

Symbol

property or statement

n

o

No-load speed

.../min

Revolutions or reciprocation per 

minute

pSi

Pounds per square inch of pressure

cFm

Cubic Feet per Minute flow

ScFm

Cubic Feet per Minute flow at 

standard conditions

npt

National pipe thread, tapered

chart continued in next column.

Summary of Contents for 66881

Page 1: ...l Copyright 2009 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 Har...

Page 2: ...ty Instructions 5 Symbol Definitions 5 Specific Safety Instructions 6 Functional Description 8 Specifications 8 Components and Controls 8 Initial Tool Set Up Assembly 8 Unpacking 8 Air Supply 8 Operat...

Page 3: ...ided could result in death or serious injury CAUTION used with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE is used to a...

Page 4: ...g and balance enables better control of the tool in unexpect ed situations f Use safety equipment A dust mask non skid safety shoes and a hard hat must be used for the applicable conditions Wear heavy...

Page 5: ...rts Use only authorized parts c Use only the lubricants supplied with the tool or specified by the manufacturer Air source a Never connect to an air source that is capable of exceeding 200 psi Over pr...

Page 6: ...o 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...

Page 7: ...should first be examined by a doctor and then have regular medical check ups to ensure medical problems are not being caused or worsened from use Pregnant women or people who have impaired blood circ...

Page 8: ...n before set up or use of this product Note For additional information regarding the parts listed in the following pages refer to the Assembly Diagram near the end of this manual Unpacking When unpack...

Page 9: ...ote Air flow and therefore tool perfor mance can be hindered by under sized air supply components 3 The air hose must be long enough to reach the work area with enough extra length to allow free movem...

Page 10: ...h the free end of the Hose 32 to the Sander by pushing it into the Hose Joint 12 To remove push the collar and pull the hose out Prior to reattachment trim 1 4 from the end of the hose 4 Turn Adjuster...

Page 11: ...aise the Hose above the Sander and restart the Sander to empty the tool of any remaining water Turn off the air compressor Disconnect the Sander from its air supply hose Then squeeze the Paddle once a...

Page 12: ...m grease Other lubricants may damage the mechanism and may be highly flammable causing an explosion Cleaning Maintenance and Lubrication Note These procedures are in addition to the regular checks and...

Page 13: ...iner and clean 3 Fill supply tank Sander does not remove residue from the workpiece even after repeated brief attempts 1 Sand paper disc too fine 2 Using wrong tool for the job at hand 3 Water Flow Co...

Page 14: ...Spring 1 39 O Ring 1 PLEASE READ THE FOLLOWING CAREFULLY The manufacturer and or distributor has provided the parts list and assembly diagram in this manual as a reference tool only Neither the manufa...

Page 15: ...ge 15 ASSEMBLY DIAGRAM Record Product s Serial Number Here Note If product has no serial number record month and year of purchase instead Note Some parts are listed and shown for illustration purposes...

Page 16: ...tal or consequential damages so the above limitation of exclusion may not apply to you This warranty is express ly in lieu of all other warranties express or implied including the warranties of mercha...

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