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SKU 66872 

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

Page 5

SYMBOLS AND 

SPECIFIC SAFETY 

INSTRUCTIONS

Symbol Definitions

Symbol

Property or statement

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

NPS

National pipe thread, straight

WARNING marking concerning Risk 

of Eye Injury.  Wear ANSI-approved 

eye protection.
Warning marking concerning Risk of  

Puncture Injury.  Wear heavy-duty 

work gloves.

Read the manual before set-up and/

or use.

WARNING marking concerning Risk 

of Hearing Loss.  Wear hearing 

protection.
WARNING marking concerning Risk 

of Respiratory Injury.  Wear NIOSH-

approved dust mask/respirator.

WARNING marking concerning Risk 

of Explosion.

Specific Safety Instructions

1. 

Operators and others in work area 

MUST wear ANSI-approved safety 

goggles with side shields during 

use.  

The employer is responsible to 

enforce use of eye protection by the 

operator and others in the work area.

2. 

Keep fingers away from Trigger 

when not driving fasteners to 

avoid accidental firing.

3.  Always assume the tool contains 

fasteners.

4.  Do not point the tool toward yourself 

or anyone whether it contains fasten-

ers or not.

5.  Do not actuate the tool unless the 

tool is placed firmly against the work-

piece.

6.  Respect tool as a working implement.
7.  No horseplay.  This tool is not a toy 

and can be deadly if misused.

8.  Do not load the tool with fasteners 

when any one of the operating con-

trols is activated.

9.  Do not remove, tamper with, or other-

wise cause the tool operating controls 

to become inoperable.

10.  Do not operate the tool if any portion 

of the tool operating controls is inop-

erable, disconnected, altered, or not 

working properly.

11.  Disconnect the tool from the power 

source when:

a. Unattended.
b. Performing any maintenance or 

repair.

c. Clearing a jam.
d. Moving the tool to a new location.

12.  The written approval of the tool man-

ufacturer must be obtained prior to 

making any modifications to the tool.

13.  Refer to the tool maintenance instruc-

tions for detailed information on the 

proper maintenance of the tool.

Summary of Contents for 66872

Page 1: ...HIS MANUAL 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 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 require...

Page 2: ...oided 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 address practices not related to personal injury CAUTION without the safety alert symbol is used to address practices not related to personal injury IMPORTANT SAFETY INSTRUCTIONS INSTRUCTIONS PERTAINI...

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 intensity noise is able to cause hearing loss h Do not attach the hose or tool to your body Attach the hose to the structure to reduce the risk of loss of balance if the hose shifts i Always assume that ...

Page 4: ... not intended for use with the specific tool model increases the risk of injury to persons i Use only those fasteners listed in the Accessories section of this manual Fasteners not identified for use with this tool by the tool manu facturer are able to result in a risk of injury to persons or tool damage when used in this tool Service a Tool service must be performed only by qualified repair perso...

Page 5: ...ion by the operator and others in the work area 2 Keep fingers away from Trigger when not driving fasteners to avoid accidental firing 3 Always assume the tool contains fasteners 4 Do not point the tool toward yourself or anyone whether it contains fasten ers or not 5 Do not actuate the tool unless the tool is placed firmly against the work piece 6 Respect tool as a working implement 7 No horsepla...

Page 6: ...ng 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 Lead from lead based paints Crystalline silica from bricks and cement or other masonry products Arsenic and chromium from chemi cally treated lumber Your risk from these exposures var ies depending ...

Page 7: ...a choice between dif ferent processes 5 Include vibration free periods each day of work 6 Grip tool as lightly as possible while still keeping safe control of it Let the tool do the work 7 To reduce vibration maintain tool as explained in this manual If abnormal vibration occurs stop immediately SAVE THESE INSTRUCTIONS FUNCTIONAL DESCRIPTION Specifications Air Pressure Range 60 90 PSI Maximum Air ...

Page 8: ... is rup tured 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 2 Attach an air hose to the compres sor s air outlet Connect the air hose to the air inlet of the tool Other com ponents such as a connector and quick coupler will make operation more efficient but are no...

Page 9: ... 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 1 Designate a work area that is clean and well lit The work area must not allow access by children or pets to prevent injury and distraction 2 Ro...

Page 10: ...workpiece again The tool must not cycle fire If it fails to perform in the manner explained in bold have it repaired by a qualified service techni cian 8 Please note The Trigger and Safety will not work when the Nailer Maga zine is empty Loading the Tool TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION BEFORE LOADING Wear ANSI approved safety goggles with side shields Other people in the work a...

Page 11: ...I to prop erly drive the fastener 4 Grip the Body 29 of the Nailer with both hands and press the Nozzle 59 against the surface you wish to fasten Be sure to keep hands fin gers and other body parts away from Nozzle 5 Press the Trigger 40 to activate the Nailer 6 If the tool requires more force to accomplish the task verify that the tool receives sufficient unobstructed airflow CFM and increase the...

Page 12: ...e procedures are in addition to the regular checks and maintenance explained as part of the regular op eration of the air operated tool 1 Daily Air Supply Maintenance Every day perform maintenance on the air supply according to the com ponent manufacturers instructions The lubricator s oil level needs to be maintained and the moisture filter must be regularly drained Perform ing routine maintenanc...

Page 13: ...agazine and pusher 4 Check for loose connections and make sure that air supply is providing enough air flow CFM and pressure PSI to the tool s air inlet Do not exceed maximum air pressure 5 Check the Magazine remove Nozzle and clear bent or broken nails Frequent jamming Incorrect fastener type Confirm fastener diameter type length angle and collation type Correct as needed Severe air leakage Sligh...

Page 14: ...1 41 Trigger Frame 1 Part Description Q ty 42 Guide 1 43 Trigger Release Catch 1 44 Compression Spring 1 45 Catch Guide Plate 1 46 Screw 5 x 22 3 47 Washer 5 x 1 1 2 48 Spacer 1 49 Spring Pin 3 x 24 1 50 Trigger Pin 1 51 O Ring 37 5 x 3 5 1 52 Tail Cover 1 53 Male Air Coupler 1 54 Screw 4 x 8 3 55 Driver Guide Cover 1 56 Nozzle Cover 1 57 Safety 1 58 Screw 4 x 18 2 59 Nozzle 1 60 Nylon Nut M5 1 61...

Page 15: ... ASSEMBLY DIAGRAM 1 2 3 4 5 6 7 8 76 9 10 11 12 13 14 77 15 16 17 18 19 20 78 21 22 23 11 24 25 26 79 27 28 29 30 31 32 33 34 35 36 80 35 37 38 39 40 41 71 72 73 75 53 52 51 50 49 46 47 48 45 44 43 42 74 54 55 56 57 58 59 60 61 54 62 46 19 81 63 64 65 66 82 67 68 69 70 ...

Page 16: ...igence or accidents repairs or alterations outside our facilities criminal ac tivity improper installation normal wear and tear 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 conse...

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