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Pierce PRC-RF 15 degree Coil Roofing Nailer Owner's Manual

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15° Coil Roofing Nailer

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Owner's Manual & Safety Instructions

Save This Manual Keep this manual for the safety warnings and precautions, assembly,

operating, inspection, maintenance and cleaning procedures. Write the product's serial number in the

back of the manual near the assembly diagram (or month and year of purchase if product has no number).

Keep this manual and the receipt in a safe and dry place for future reference.

21d

Visit our website at: http://www.harborfreight.com Email our technical support at: productsupport@harborfreight.com

When unpacking, make sure that the product is intact and undamaged. If any parts are missing or broken,
please call 1-888-866-5797 as soon as possible.
Copyright� 2021 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 required for assembly and service may not be included.

Read this material before using this product. Failure to do so can result in serious injury. SAVE THIS MANUAL.

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table of contents

Safety ........................................................................2 Specifications ............................................................8 Setup .........................................................................9 Operation ..................................................................12

Maintenance .............................................................16 Parts List and Diagram .............................................18 Warranty ...................................................................20

WarninG SyMBOLS anD DEFinitiOnS This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. Indicates a hazardous situation which, if not avoided, will result in death or serious injury.
Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
Addresses practices not related to personal injury.

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iMpOrtant SaFEty inStructiOnS

inStructiOnS pErtaininG tO a riSK OF FirE, ELEctric SHOcK, Or inJury tO pErSOnS
WarninG � When using tools, basic precautions should always be followed, including the following:
General
to reduce the risks of electric shock, fire, and injury to persons, read all the instructions before using the tool.
Work area

a. Keep the work area clean and well lighted. Cluttered benches and dark areas increase the risks of electric shock, fire, and injury to persons.
b. Do not operate the tool in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust. The tool is able to create sparks resulting in the ignition of the dust or fumes.
personal Safety

c. Keep bystanders, children, and visitors away while operating the tool. Distractions are able to result in the loss of control of the tool.

a. Stay alert. Watch what you are doing and use common sense when operating the tool. Do not use the tool while tired or under the influence of drugs, alcohol, or medication. A moment of inattention while operating the tool increases the risk of injury to persons.

b. Dress properly. Do not wear loose clothing or jewelry. contain long hair. Keep hair, clothing, and gloves away from moving parts. Loose clothes, jewelry, or long hair increases the risk of injury to persons as a result of being caught in moving parts.

c. avoid unintentional starting. Be sure the trigger is released before connecting to the air supply. Do not carry the tool with your finger on the Trigger or connect the tool to the air supply with the Trigger pressed.

d. Do not overreach. Keep proper footing and balance at all times. Proper footing and balance enables better control of the tool in unexpected situations.

use safety equipment.

A dust mask, non-skid safety shoes

and a hard hat must be used for the

applicable conditions. Wear heavy-

duty work gloves during use.

always wear eye protection.

Wear ANSI-approved safety goggles

with side shields.

always wear hearing protection

when using the tool.

Prolonged exposure 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 the tool contains fasteners. Do not point the tool toward yourself or anyone whether it contains fasteners or not.

j. WarninG � Do not drive fastener on top of another fastener. This is able to cause the fastener to be deflected and hit someone, or cause the Tool to react and result in a risk of injury to persons.

k. WarninG � remove finger from the trigger when not driving fasteners. Never carry the Tool with finger on Trigger, the Tool is able to discharge a fastener.

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tool use and care

a. Use clamps or another practical way to secure and support the workpiece to a stable platform. Holding the work by hand or against the body is unstable and can lead to loss of control.
b. Do not force the tool. Use the correct tool for the application. The correct tool will do the job better and safer at the rate for which the tool is designed.
c. Do not use the tool if the trigger does not turn the tool on or off. Any tool that cannot be controlled with the Trigger is dangerous and must not be used until repaired.
d. Disconnect the tool from the air source before making adjustments, doing tool maintenance, clearing jams, touching the Workpiece contact, leaving work area, loading, or unloading the tool. Such precautionary measures reduce the risk of injury to persons.
e. Store the tool when it is idle out of reach of children and other untrained persons. A tool is dangerous in the hands of untrained users.

f. Maintain the tool with care. A properly maintained tool reduces the risk of binding and is easier to control.
g. check for misalignment or binding of moving parts, breakage of parts, and any other condition that affects the tool's operation. If damaged, 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.
i. use only those fasteners listed in the Specifications chart of this manual. Fasteners not identified for use with this tool by the tool manufacturer 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 personnel.
b. When servicing a tool, use only identical replacement parts. use only authorized parts.
air Source

c. use only the lubricants supplied with the tool or specified by the manufacturer.

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. 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.

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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 the 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 discharge.
3. choice of triggering method is important. check manual for triggering options.
4. Always assume the Tool contains fasteners.
5. Do not point the Tool toward yourself or anyone whether it contains fasteners or not.
6. Do not actuate the Tool unless the Tool is placed firmly against the workpiece.
7. Respect the Tool as a working implement.
8. No horseplay. This Tool is not a toy and can be deadly if misused.
9. Do not load the Tool with fasteners when any one of the operating controls, such as the Trigger or Workpiece Contact, is activated.
10. Do not remove, tamper with, or otherwise cause the Tool operating controls to become inoperable.
11. Do not operate the Tool if any portion of the Tool operating controls is inoperable, disconnected, altered, or not working properly.
12. Disconnect the Tool from the air supply when: a. Unattended. b. Performing any maintenance or repair. c. Clearing a jam. d. Moving the Tool to a new location.

15. Drive fasteners into an appropriate work surface only. Do not attempt to discharge fasteners into surfaces too hard to penetrate. Do not drive fasteners on top of other fasteners, or at too steep of an angle. Fasteners can ricochet causing personal injury.
16. Do not drive fasteners too close to the edge of a workpiece. They may split the workpiece and fly free, causing personal injury.
17. Keep clear of the workpiece near the area being fastened. Fasteners may bend sideways during driving, causing them to exit the workpiece at an unexpected point, causing personal injury.
18. Transport Tool safely. Always disconnect air supply when moving the Tool. Carry the Tool by the handle and avoid contact with the Trigger.
19. Hold Tool away from head and body. During operation the Tool may kick back causing injury.
20. Do not drive fasteners into a workpiece that has people, utility lines, or other objects behind or inside it.
21. Keep balance while using this Tool. Keep area below clear if working in an elevated location, and secure air hose to prevent falls from bystanders accidentally pulling on it.
22. Obey the manual for the air compressor used to power this Tool.
23. Install an in-line shutoff valve to allow immediate control over the air supply in an emergency, even if a hose is ruptured.
24. Do not engrave or stamp anything into the housing to avoid weakening it.

13. Do not make any modifications to this Tool.
14. Refer to the Tool maintenance instructions for detailed information on the proper maintenance of the Tool.

25. The warnings and precautions discussed in this 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.

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Vibration precautions
This tool vibrates during use. Repeated or long-term exposure to vibration may cause temporary or permanent physical injury, particularly to the hands, arms and shoulders. To reduce the risk of vibration-related injury:
1. Anyone using vibrating tools regularly or for an extended period 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 circulation to the hand, past hand injuries, nervous system disorders, diabetes, or Raynaud's Disease should not use this tool. If you feel any symptoms related to vibration (such as tingling, numbness, and white or blue fingers), seek medical advice as soon as possible.

2. Do not smoke during use. Nicotine reduces the blood supply to the hands and fingers, increasing the risk of vibration-related injury.
3. Wear suitable gloves to reduce the vibration effects on the user.
4. Use tools with the lowest vibration when there is a choice between different 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.

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roofing precautions

Falling or being hit by a falling object can cause serious injury, paralysis, and DEatH.

1. Post warning signs and barriers to keep the area below the work area clear. Do not allow anyone under 18 years old in or under the work area.

3. Use appropriate safety equipment, such as, but not limited to: fall arrest systems, safety net systems, roof jacks, and guard rails with toeboards.

2. Do not climb while holding Tool in your hand or transport Tool to roof with air supply attached. Disconnect air supply and use a tool belt, holster, or pull Tool up using a rope after climbing.

4. Follow OSHA requirements for working on roofs.

Symbology

SaVE tHESE inStructiOnS.

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 safety goggles with side shields.

Symbol

property or statement
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.

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Functional Description
Specifications
Maximum Air Pressure Air Inlet Air Consumption Actuation System Nail Type
components and controls

120 PSI
3/8"�18 NPT
2.4 CFM @ 90 PSI and 60 cycles per minute Contact Actuation as shipped Single Sequential Valve available
0.120 Diameter, 7/8"�1-3/4" Long, 15� Angle, Wire Collated

Exhaust

trigger

air inlet plug

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Depth adjustment
Knob

Workpiece contact

Latch

Shingle Guide

Workpiece contact - The Workpiece Contact helps prevent the Tool from discharging unless it is pressed against an object.

Magazine

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initial tool Set up/assembly
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. note: For additional information regarding the parts listed in the following pages, refer to the Assembly Diagram near the end of this manual.
air Supply

tO prEVEnt EXpLOSiOn: use only clean, dry, regulated, compressed air to power this tool. Do not use oxygen, carbon dioxide, combustible gases, or any other bottled gas as a power source for this tool.

1. Incorporate a filter, regulator with pressure gauge, oiler, in-line shutoff valve, and quick coupler for best service, as shown on Figure A on page 10 and Figure B on page 11. an in-line shutoff ball valve is an important safety device because it controls the air supply even if the air hose is ruptured. the shutoff valve should be a ball valve because it can be closed quickly.
note: If an automatic oiler system is not used, add a few drops of Pneumatic Tool Oil into the airline connection before operation. Add a few more drops after each hour of continual use.
note: This air Tool may be shipped with a protective plug covering the air inlet. Remove this plug before set up.
2. Attach an air hose to the compressor's air outlet. Connect the air hose to the air inlet of the Tool. Other components, such as a coupler plug and quick coupler, will make operation more efficient, but are not required.
WarninG! tO prEVEnt SEriOuS inJury FrOM acciDEntaL DiScHarGE: Do not install a female quick coupler on the tool. Such a coupler contains an air valve that will allow the air Tool to retain pressure and operate accidentally after the air supply is disconnected.
note: Air flow, and therefore Tool performance, can be hindered by undersized air supply components.
3. The air hose must be long enough to reach the work area with enough extra length to allow free movement while working.

4. Release the Tool's Trigger and empty its Magazine.
5. Close the in-line safety valve between the compressor and the Tool.
6. Turn on the air compressor according to the manufacturer's directions and allow it to build up pressure until it cycles off.
7. Adjust the air compressor's output 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.
8. The air pressure setting must not exceed job site regulations/restrictions. The air pressure setting must not exceed 90 PSI when being used with workpieces that have a thickness of less than 1-3/4.
9. Inspect the air connections for leaks. Repair any leaks found.
10. If the Tool will not be used at this time, turn off and detach the air supply, safely discharge any residual air pressure, and release the Trigger to prevent accidental discharge.
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.

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Figure a: portable air Supply Setup

B Lubricated
Tools

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Non-lubricated

Tools

Description
A Air Hose B Filter C Regulator D Lubricator (optional) E Coupler and Plug F Leader Hose (optional) G Air Cleaner / Dryer (optional) H Air Adjusting Valve (optional)

Function
Connects air to Tool Prevents dirt and condensation from damaging Tool or workpiece Adjusts air pressure to Tool For air Tool lubrication Provides quick connection and release Increases coupler life Prevents water vapor from damaging workpiece For fine tuning airflow at Tool

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Figure B: Stationary air Supply Setup

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Slope

Lubricated

Tools
C

CD E

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Non-lubricated Tools

Description
A Vibration Pads B Anchor Bolts C Ball Valve D Isolation Hose E Main Air Line - 3/4 minimum recommended F Ball Valve G Branch Air Line -1/2 minimum recommended H Air Hose I Filter J Regulator K Lubricator (optional) L Coupler and Plug M Leader Hose (optional) N Air Cleaner / Dryer (optional) O Air Adjusting Valve (optional)

Function
For noise and vibration reduction Secures air compressor in place Isolates sections of system for maintenance For vibration reduction Distributes air to branch lines To drain moisture from system Brings air to point of use Connects air to Tool Prevents dirt and condensation from damaging Tool or workpiece Adjusts air pressure to Tool For air Tool lubrication Provides quick connection and release Increases coupler life Prevents water vapor from damaging workpiece For fine tuning airflow at Tool

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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.

Workpiece 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 distraction and injury.
2. Route the air hose along a safe route to reach the work area without creating 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.

3. Secure loose workpieces using a vise or clamps (not included) to prevent movement while working.
4. There must not be hazardous objects (such as utility lines or foreign objects) nearby that will present a hazard while working.

contact actuation Mechanism Definition

The contact actuation mechanism allows rapid placement of fasteners. The Tool should only actuate if the Workpiece Contact is pressed against the workpiece and the Trigger is pulled. It should actuate again if the Trigger is released and pulled OR if the Workpiece Contact is lifted and pressed against the workpiece again. The Tool should not actuate if the Workpiece Contact is not pressed against an object. contact actuation should only be enabled and used by skilled operators who are aware of the hazards and use proper, safe work practices.

contact actuation Mechanism testing procedure

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tO prEVEnt SEriOuS inJury FrOM acciDEntaL DiScHarGE: Empty the tool before this procedure. point the tool at a piece of scrap wood when testing.

1. Disconnect the Tool from the air supply. 2. Empty the magazine of fasteners. 3. Check that the Trigger and the Workpiece
Contact move freely, without sticking. 4. Connect the air supply to the Tool and
set within the Operating Air Pressure indicated on the Specification chart. 5. Test the Tool by pressing the Workpiece Contact against the workpiece without pulling the Trigger. the tool must not cycle (actuate). If it cycles (actuates), stop immediately and have it repaired by a qualified service technician.
actuation Mode

6. Hold the Tool away, or off of the workpiece. The Workpiece Contact should return to its original position. Squeeze the Trigger. the tool must not cycle (actuate). If it cycles (actuates), stop immediately and take the Tool to a qualified service technician.
7. Press the Workpiece Contact against the workpiece and squeeze the Trigger. the tool must cycle (actuate) only once. Release the Trigger, slide the Tool to a fresh piece of wood, and squeeze it again. the tool must cycle (actuate) again only once. With the Trigger depressed, carefully lift the Tool and press it against the workpiece again in a new location. the tool must cycle (actuate) again only once. If it fails to act in the manner explained in bold, have it repaired by a qualified service technician.

Single Sequential trigger Option: For precise driving of fasteners, a single-sequential actuation valve is available. Contact Harbor Freight Customer Service at 1-888-866-5797 to order the Replacement Sequential Trip Mechanism, 15689.

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Loading the tool

tO prEVEnt SEriOuS inJury FrOM acciDEntaL DiScHarGE, BEFOrE LOaDinG:
� Wear anSi-approved safety goggles with side shields. Other people in the work area must also wear ANSI-approved impact safety goggles with side shields.
� release the trigger. � Detach the air supply. � attempt to discharge the tool into a piece of scrap wood to ensure that
it is disconnected and is incapable of driving any fasteners.

1. Push down on the Latch (77) and swing the Nail Guide (75) and the Magazine Cover (87) open.

5. Place a coil of nails around the Nail Support Plate in the Magazine.

Magazine cover

Latch

nails

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nail Guide

nail Support plate Magazine

2. Check the Nail Support Plate (96) inside the Magazine. Adjust the Plate to match the nail length:
a. up to 1-1/4" Long nails (use top setting).
B. 1-1/2" Long nails (use middle setting).
c. 1-3/4" Long nails (use bottom setting).

6. Uncoil enough nails to reach the front of the Feeder and fit the nail heads into the Guide Slot.

7. Insert the first nail between the two Pawls of the Feeder.
First nail

Guide Slot

3. Turn the Nail Support Plate 90� counterclockwise and move it up or down to align the Plate edge with the appropriate embossed nail size marking on the inside wall of the Magazine.

Magazine

nail Guide

Feeder pawl

7/8"

1-1/4"

1-1/2"

1-3/4"

32 38

nail Support plate

4. When Plate edge is aligned with desired setting, turn the Plate 90� clockwise until it clicks into place.

8. Swing the Magazine Cover closed.
9. Close the Nail Guide. Make sure the Latch closes securely. If the Nail Guide does not fully close and the Latch does not engage properly, the nail heads are not in the Guide Slot and the first nail shank is not between the two Pawls of the Feeder.

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General Operating instructions

1. Before each use, test the Tool as directed in the prior section.
2. If an automatic oiler is not used, add a few drops of Pneumatic Tool Oil to the airline connection before use. Add a few drops more after each hour of continual use.
3. Shingle Guide Setup: The Shingle Guide controls roof shingle spacing.
a. Loosen the Screw on the Shingle Guide.
b. Slide the Guide to the desired spacing.
c. Retighten the Screw.

WarninG! tO prEVEnt SEriOuS inJury: Keep second hand away from tool discharge area, especially if holding workpiece. tool applies extreme force to fastener, and fasteners may deflect or discharge in an unexpected direction.
WarninG! tO prEVEnt inJury: Do not hold tool near body while driving. tool recoil can cause injury.
WarninG! tO prEVEnt SEriOuS inJury, incLuDinG pErManEnt HEarinG LOSS: always wear hearing protection when using the tool.

5. Position Tool at desired fastener location and depress the Workpiece Contact fully against the workpiece. Squeeze the Trigger to discharge a fastener.

note: prEVEnt DOuBLE DriVinG.
Allow the Tool to recoil from the workpiece -- do not force it against the workpiece.

SHinGLE SpacinG

Screw

6. Driving multiple fasteners using contact

Shingle

actuation mode:

Guide

Squeeze and hold Trigger, then push Workpiece

(bottom view)

Contact to discharge one fastener, move

4. Keep all moving parts free from dirt, tar, and debris. Clean and oil all moving parts before each use.

and push Workpiece Contact again to discharge additional fasteners.

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7. to change driving depth: Disconnect air supply and keep Workpiece contact pointed away. To reduce nail depth, pull down on the Depth Adjustment Knob and turn counterclockwise. To increase nail depth, pull down on the Adjustment Knob and turn clockwise. When the Knob is released it will spring back in place and depth can be further adjusted with a click at each 1/4 turn of the Knob. The nailing depth changes approximately 0.25mm per 1/4 rotation.

trigger

Depth adjustment
Knob

Magazine

Workpiece contact
8. If, at the maximum depth setting, the Tool requires more force to accomplish the task, verify that the Tool receives sufficient, unobstructed airflow (CFM) and increase the pressure (PSI) output of the regulator up to the maximum air pressure rating of this Tool.

cautiOn! tO prEVEnt inJury FrOM tOOL FaiLurE: Do not exceed the tool's maximum air pressure rating. If the Tool still does not have sufficient force at maximum pressure and sufficient airflow, then a larger Tool may be required.
9. after use, to prevent accidents:
a. release the trigger.
b. Detach the air supply.
c. attempt to discharge the tool into a piece of scrap wood to ensure that it is disconnected and is incapable of driving any fasteners.
d. release the trigger again.
e. clean external surfaces with clean, dry cloth.
f. tar BuiLDup: use kerosene or diesel fuel to remove tar buildup. DO nOt uSE GaSOLinE. the front of the nailer can be submerged in solvent only up to the nail head height. to prevent o-ring damage, do not allow solvent to get into the cylinder.
g. carefully dry off all solvent before next use. any solvent left on the nailer will cause it to accumulate tar buildup much more quickly.
h. Store indoors out of children's reach.

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user-Maintenance instructions

procedures not specifically explained in this manual must be performed only by a qualified technician.

tO prEVEnt SEriOuS inJury FrOM acciDEntaL DiScHarGE, BEFOrE any MaintEnancE Or rEpairS arE DOnE (including clearing jams):
� Wear anSi-approved safety goggles with side shields. Other people in the work area must also wear ANSI-approved impact safety goggles with side shields.
� release the trigger. � Detach the air supply. � attempt to discharge the tool into a piece of scrap wood to ensure that
it is disconnected and is incapable of driving any fasteners. � Empty the Magazine and leave it open during service.
the Magazine is spring-loaded and may cause parts or a fastener to fly out of the tool.

tO prEVEnt SEriOuS inJury FrOM tOOL FaiLurE: Do not use damaged equipment. if abnormal noise, vibration, or leaking air is detected, have the problem corrected before further use.

tO prEVEnt EXpLOSiOn: Lubricate only with specified lubricants. Lubricate the air inlet using only pneumatic tool oil. Lubricate the internal mechanism using only white lithium grease. Other lubricants may damage the mechanism and may be highly flammable, causing an explosion.

note: These procedures are in addition to the regular checks and maintenance explained as part of the regular operation of the air-operated Tool.

1. BEFOrE EacH uSE, inspect the general condition of the Tool. Check for: � proper safety trip mechanism operation � free Workpiece Contact and Trigger movement � loose hardware or housing � misalignment or binding of moving parts � cracked or broken parts � any other condition that may affect its safe operation.

2. Daily - air Supply Maintenance: Every day, perform maintenance on the air supply according to the component manufacturers' instructions. Maintain the lubricator's oil level. Drain the moisture filter regularly. Performing routine maintenance on the air supply will allow the Tool to operate more safely and will also reduce wear on the Tool.

clearing Jams

1. Open the Nail Guide and insert a rod into the nail outlet at the bottom of the Workpiece Contact. Tap the rod with a hammer to free the jammed nail. Remove the jammed nail with a slotted screwdriver.
2. Pull out the remainder of the fastener coil from the Magazine. Dispose of any damaged or bent fasteners; they may cause repeated jamming or damage to the tool if reused.

3. If the jam cannot be cleared using the method above, have the Tool serviced by a qualified technician.
note: Keep tool free of tar and debris to limit jamming.

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troubleshooting

problem
Insufficient fastener depth.
Fasteners drive too deeply. Tool cycles without driving fastener.
Frequent jamming. Severe air leakage. (Slight air leakage is normal, especially on older tools.)

possible causes

Likely Solutions

1. Incorrect tool depth setting. 1. Adjust depth setting, if available.

2. Not enough air pressure.

2. Check for loose connections and make sure that air supply is providing enough air pressure (PSI) to the Tool's air inlet. Do not exceed maximum air pressure.

3. Incorrect lubrication or not enough lubrication.

3. Lubricate using air Tool oil and grease according to directions.

4. Blocked air inlet screen (if equipped).

4. Clean air inlet screen of buildup.

5. Mechanism contaminated.

5. Have qualified technician clean and lubricate mechanism. Install in-line filter in air supply as stated in Initial Set Up: Air Supply.

1. Incorrect Tool depth setting. 1. Adjust depth setting, if available.

2. Too much air pressure.

2. Reduce air supply pressure (PSI).

1. Jammed fastener.

1. Clear jammed fastener according to Clearing Jams instructions.

2. Tool empty.

2. Reload with correct fasteners.

3. Incorrect fasteners used.

3. Empty, then reload with correct fasteners.

4. Magazine dirty or not lubricated properly.

4. Clean and lubricate Magazine and Pusher.

5. Insufficient air flow.

5. 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.

Incorrect nail type.

Confirm nail collation type, diameter, angle, type, and length. Correct as needed.

1. Cross-threaded housing components.

1. Check for incorrect alignment and uneven gaps. If cross-threaded, disassemble and replace damaged parts before use.

2. Loose housing.

2. Tighten housing assembly. If housing cannot tighten properly, internal parts may be misaligned.

3. Damaged valve or housing. 3. Replace damaged components.

4. Dirty, worn or damaged valve. 4. Clean or replace valve assembly.

Follow all safety precautions whenever diagnosing or servicing the tool. Disconnect air supply before service.

OpEratiOn

MaintEnancE

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 MANUFACTURER OR DISTRIBUTOR 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 MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS 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.

Item 64254

For technical questions, please call 1-888-866-5797.

Page 17

SaFEty

SEtup

parts List and Diagram
parts List

part

Description

1 Hex Bolt M5x25

2 Top Cover

3 Bolt M5x6

4 Cylinder Cover

5 Hex Bolt M5x22

6 Side Baffle

7 Side Guard

8 Non-Slip Gasket

9 Gasket

10 Gasket

11 Exhaust Valve

12 Piston O-Ring 30.5*3.5

13 Piston

14 O-Ring 65*2

15 Cylinder O-Ring 41.5*2.4

16 Cylinder Collar

17 Cylinder

18 Cylinder Ring

19 Cylinder Spring

20 Cylinder O-Ring 56*2.4

21 Down Collar

22 Cylinder O-Ring 47*2.4

23 Body Assembly

24 Cylinder O-Ring 43.5*2.65

25 Piston Bumper

26 Seal Washer

27 Gasket

28 Hex Bolt M5x8

29 Guard

30 Nose

31 Nose Guard

32 Spring

33 Safety Bolt M5x16

34 Nut M5

35 Workpiece Contact

36 Washer

37 Soft Grip Sleeve

38 Gasket

39 Cap

40 Socket Head Bolt M5x20

41 Air Inlet Plug

43 Roll Pin D3x30

44 Plunger Spring

45 Plunger O-Ring 3*1.8

46 Plunger

47 Valve Bushing

48 O-Ring 11.8*1.5

49 Rectangular Gasket

50 Urethane Ball

51 Valve Plate

52 Trigger Valve Bushing

53 Trigger Plunger

54 Plunger O-Ring 2.8*1.8

Qty
7 1 2 1 4 2 2 1 1 1 1 1 3 1 1 1 1 1 1 1 1 1 1 4 1 1 1 1 2 1 1 2 1 1 1 1 1 1 1 3 1 2 1 1 1 1 3 1 1 1 1 1 1

part

Description

55 Trigger

56 Plunger

57 Valve Cover

58 O-Ring 8.75*1.8

59 Feed Piston O-Ring 14.2*1.9

60 Feed Piston

61 Feed Piston O-Ring 11.2*1.8

62 Gasket

63 Feed Piston Cover

64 Magazine Bushing

65 Socket Head Bolt M5x10

66 Feeder Spring

67 Feeder

68 Feeder Shaft

69 Feeder Shaft Ring

70 Shaft Ring

71 Nail Guide Shaft

72 Depth Adjustment Knob

73 Spring

74 Bolt M6x18

75 Nail Guide

76 Nail Guide Shaft

77 Latch

78 Roll Pin D3x10

79 Spring

80 Spring

81 Socket Head Bolt M4x10

82 Roll Pin D3x10 3*28

83 Main Nail Stopper

84 Nail Stopper

85 Spring

86 Nail Guide Cover

87 Magazine Cover

88 Holder Cap

89 Machine Screw M4x50

90 Spring Washer 4

91 Washer 4

92 Holder Shaft

93 U-Nut M5

94 Sleeve

95 Ratchet Spring

96 Nail Support Plate

97 Magazine

98 Pin

99 Nylon Nut M4

100 Magazine Guard

101 Plate Nut

102 Guide Base

103 Socket Head Bolt M5x14

104 Shingle Guide

105 Spring Washer D-5

106 M5 Hex Wrench

107 M4 Hex Wrench

Qty
1 1 1 1 1 1 1 1 1 1 3 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 3 2 1 1 1 1 1 1 1 1 2 1 8 1 1

OpEratiOn

MaintEnancE

Page 18

For technical questions, please call 1-888-866-5797.

Item 64254

SaFEty

SEtup

assembly Diagram

1
2 14
3

106

107

1 21

105

22 6

44 45 46

23 11

12
24
13 25 26
27 28 14
29 15
30

43 65
64 63

60 93

96
93 69 97

16 31
105

100

101

102

103

104

OpEratiOn

MaintEnancE

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 only, and are not available individually as replacement parts. Specify UPC 792363642545 when ordering parts.

Item 64254

For technical questions, please call 1-888-866-5797.

Page 19

Limited 90 Day 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 90 days from the date of purchase. This warranty does not apply to damage due directly or indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, 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 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 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.
26541 agoura road � calabasas, ca 91302 � 1-888-866-5797