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SKU 66902 

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

Page 9

Adjust the air compressor’s output 

7. 

regulator so that the air output is 

enough to properly power the tool, 

but the output will not exceed the 

tool’s maximum air pressure at any 

time.  Adjust the pressure gradually, 

while checking the air output gauge 

to set the right pressure range.
The air pressure setting must not ex-

8. 

ceed job site regulations/restrictions. 

The air pressure setting must not 

exceed 90 PSI when being used with 

work pieces that have a thickness of 

less than 1-3/4”.
Inspect the air connections for leaks.  

9. 

Repair any leaks found.
If the tool will not be used at this 

10. 

time, turn off and detach the air sup-

ply, safely discharge any residual air 

pressure, and release the trigger to 

prevent accidental operation.

note:

  Residual air pressure should not be 

present after the tool is disconnected 

from the air supply.  However, it is a 

good safety measure to attempt to 

discharge the tool in a safe fashion 

after disconnecting to ensure that the 

tool is disconnected and unpowered.

Operating instructiOns

  read the entire iMpOrtant 

safetY infOrMatiOn 

section at the beginning of this 

manual including all text under 

subheadings therein before set 

up or use of this product.
inspect tool before use, looking 

for damaged, loose, and 

missing parts.  if any problems 

are found, do not use tool until 

repaired.

Work piece and Work area set up

Designate a work area that is clean 

1. 

and well-lit.  The work area must not 

allow access by children or pets to 

prevent injury and distraction.

Route the air hose along a safe route 

2. 

to reach the work area without creat-

ing a tripping hazard or exposing the 

air hose to possible damage.  The air 

hose must be long enough to reach 

the work area with enough extra 

length to allow free movement while 

working.
Secure loose workpieces using 

3. 

clamps (not included) to prevent 

movement while working.
There must not be hazardous ob-

4. 

jects (such as utility lines or foreign 

objects) nearby that will present a 

hazard while working.

full sequential safety trip 

Mechanism 

Definition

This tool has a full sequential safety 

trip mechanism, which is designed to 

prevent inadvertent firing. The tool should 

only fire if the Safety Nosepiece is pressed 

against the workpiece prior to pulling the 

Trigger.  It should only fire again if both 

Trigger and Safety Nosepiece are re-

leased first.  The Tool should not fire if the 

Safety Nosepiece is not pressed against 

the workpiece.

Rev 09d

Summary of Contents for 66902

Page 1: ...s 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...

Page 2: ...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 3: ...conditions Wear heavy duty work gloves during use f Always wear eye protec tion Wear ANSI ap proved safety goggles g Always wear hearing protection when using the tool Prolonged expo sure to high inte...

Page 4: ...not intended for use with the specific tool model increases the risk of injury to persons Use only those fasteners listed i in the Accessories section of this manual Fasteners not identified for use w...

Page 5: ...on by the operator and others in the work area Keep fingers away from Trigger 2 when not driving fasteners to avoid accidental firing Always assume the tool contains 3 fasteners Do not point the tool...

Page 6: ...g grinding drill ing and other construction activities contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm Some examples of these chemicals are...

Page 7: ...a choice between dif ferent processes Include vibration free periods each 5 day of work Grip tool as lightly as possible while 6 still keeping safe control of it Let the tool do the work To reduce vib...

Page 8: ...red Note If an automatic oiler system is not used add a few drops of Pneumatic Tool Oil to the airline connection be fore operation Add a few more drops after each hour of continual use Attach an air...

Page 9: ...at the beginning of this manual including all text under subheadings therein before set up or use of this product Inspect tool before use looking for damaged loose and missing parts If any problems a...

Page 10: ...ress the Safety Nosepiece against 7 the workpiece and squeeze the Trigger The tool must cycle fire only once Release the Trigger and squeeze it again The tool must not cycle fire With the Trigger held...

Page 11: ...fas ten Be sure to keep hands fingers and other body parts away from the Nozzle Press the Trigger 42 to activate the 6 Nailer To avoid indenting or marring when 7 working on the face of fine surfaces...

Page 12: ...rocedures are in addition to the regular checks and maintenance explained as part of the regular op eration of the air operated tool Daily Air Supply Maintenance 1 Every day perform maintenance on the...

Page 13: ...an and lubricate magazine and pusher 3 Check for loose connections and make 4 sure that air supply is providing enough air flow CFM and pressure PSI to the tool s air inlet Do not exceed maximum air p...

Page 14: ...scription Q ty 46 Spring Washer 2 47 Head Screw 2 48 Head Cover 1 49 Hex Bolt 3 50 Safety 1 51 Depth Adjusting Knob 1 52 Adjusting Guide 1 53 E Ring 1 54 Spring 1 55 Spacer A 1 56 Hex Bolt 2 57 Driver...

Page 15: ...y 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 expres...

Page 16: ...limitation of incidental or consequential damages so the above limitation of exclusion may not ap ply to you This warranty is expressly in lieu of all other warranties express or implied including th...

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