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FIG. 1
FIG. 2
A
B
FIG. 5
WARNING: Use of this tool can generate and/or disburse dust, which may cause serious
and permanent respiratory or other injury. Always use NIOSH/OSHA approved respiratory
protection appropriate for the dust exposure. Direct particles away from face and body. Always
operate tool in well-ventilated area and provide for proper dust removal. Use dust collection
system wherever possible.
WARNING: ALWAYS USE SAFETY GLASSES. Everyday eyeglasses are NOT safety
glasses. Also use face or dust mask if operation is dusty. ALWAYS WEAR CERTIFIED
SAFETY EQUIPMENT:
• ANSI Z87.1 eye protection (CAN/CSA Z94.3),
• ANSI S12.6 (S3.19) hearing protection,
• NIOSH/OSHA respiratory protection.
BEFORE OPERATING THIS TOOL, CAREFULLY READ AND UNDERSTAND ALL
INSTRUCTIONS IN IMPORTANT SAFETY INSTRUCTIONS.
ASSEMBLY
WARNING: Lock off trigger, disconnect air line from tool and remove fasteners from
magazine before making adjustments or personal injury may result.
Trigger
WARNING: Keep fingers AWAY from trigger when not driving fasteners to avoid accidental
firing. Never carry tool with finger on trigger. In bump action mode (contact actuation mode)
tool will fire a fastener if safety is bumped while trigger is depressed.
In accordance with the ANSI Standard SNT-101-2002, the D
with a sequential action trigger. However, a bump action trigger kit is included and attached
to the tool. For a replacement trigger contact your authorized service center or call
1-800-4-D
WALT.
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The gray trigger with
imprinted on the side, (Cat.# D510002 kit) is the single sequential
action trigger and causes the tool to operate in this mode.
The black trigger with
imprinted on the side, (Cat.# D510004 kit) is the bump action trigger
and permits the tool to be actuated in this manner.
For defining the use of the sequential action trigger and bump action trigger, see the Actuating
Tool section of this manual.
TRIGGER REMOVAL (FIG. 1)
1. Lock off trigger.
2. Remove air from the tool.
3. Remove rubber grommet (A) from end of dowel pin (B).
4. Remove dowel pin.
5. Remove trigger assembly from trigger cavity under the handle of the tool housing.
TRIGGER INSTALLATION (FIG. 2)
1. Select either the sequential or bump trigger to be installed on the tool. Both triggers are
included in the tool packaging.
2. Insert the trigger subassembly into trigger cavity.
3. Ensure that trigger spring (C) is placed around the trigger valve stem (D).
4. Align the holes of the trigger with the housing holes (E), then insert the dowel pin (B)
through the entire assembly as shown.
5. Push the rubber grommet (A) onto the end of the dowel pin as shown.
Air Fitting
The D
WALT framing nailers have a standard 3/8" pipe thread for the air fitting. The tool is
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assembled with a 3/8" to 1/4" adapter installed in the end cap.
TO INSTALL AN AIR FITTING
1. Wrap the male end of the fitting with thread seal tape prior to assembly to eliminate air
leaks.
2. To install a 1/4" fitting: screw the fitting into the 3/8" to 1/4" adapter in the end cap of the
tool and tighten firmly.
3. To install a 3/8" fitting: screw it directly into the end cap. If an adapter is in the end cap,
remove it prior to inserting the fitting.
OPERATION
Preparing the Tool
WARNING: Read the section titled Important Safety Instructions for Pneumatic Tools at
the beginning of this manual. Always wear eye and ear protection when operating this tool.
Keep the nailer pointed away from yourself and others. For safe operation, complete the
following procedures and checks before each use of the nailer.
CAUTION: To reduce the risk of damage to the tool, only use D
or a non-detergent S.A.E. 20 weight oil. Oil with additives or detergent will damage tool parts.
1. Before you use the nailer, be sure that the compressor tanks have been properly
drained.
2. Lubricate tool:
a. Use D
WALT Pneumatic Tool Oil or a non-detergent S.A.E. 20 weight oil. DO NOT use
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detergent oil or additives as they will damage O-rings and rubber parts.
b. Use a filter and regulator when possible.
c. Add 5 to 7 drops of oil in the air fitting a least twice a day.
3. Wear eye and ear protection.
4. Ensure canister is empty of all fasteners.
5. Check for smooth and proper operation of contact trip. Do not use tool if assembly is not
functioning properly. NEVER tamper with the contact trip. NEVER use a tool that has the
contact trip restrained in the actuated position.
6. Check air supply: Ensure air pressure does not exceed recommended operating limits; 70
to 120 psi, (4.9 to 8.3 bar, 5 to 8.5 kg/cm
7. Keep tool pointed away from yourself and others.
8. Lock off trigger.
9. Connect air hose.
10. Check for audible leaks around valves and gaskets. Never use a tool that leaks or has
damaged parts.
WARNING: To reduce the risk of personal injury, disconnect tool from air supply
before performing maintenance, clearing a jammed fastener, leaving work area, moving
tool to another location or handing the tool to another person.
Using the Lock-off (Fig. 3)
WARNING: To reduce the risk of injury, ALWAYS wear proper eye [ANSI Z87.1 (CAN/CSA
Z94.3)] and hearing protection [ANSI S12.6 (S3.19)] when operating this tool.
WARNING: Do not keep trigger depressed when tool is not in use. Keep the lock-off switch
rotated to the right (OFF) when the tool is not in use. Serious personal injury may result.
WARNING: Lock off trigger, disconnect air line from tool and remove fasteners from
magazine before making adjustments or personal injury may result.
Each D
WALT nailer is equipped with a trigger lock-off switch (F) which when rotated to
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the right, prevents the tool from actuating. When the switch is centered, the tool will be fully
operational. The trigger should always be locked off whenever any adjustments are made or
when tool is not in use.
Loading the Tool (Fig. 4)
WARNING: Keep the tool pointed away from yourself and others. Serious personal injury
may result.
WARNING: Never load nails with the contact trip or trigger activated. Personal injury may
result.
1. Lock OFF trigger.
2. Disconnect the air supply from the tool.
3. Pull the door latch (L) to open the door (K).
4. Rotate the canister door (H) open.
5. Adjust the nail platform (I) to properly accommodate the nail length being used.
Pull up on the nail platform (I) for shorter nails.
Push in the nail platform adjustment button (G) and push down on the nail platform (I) for
longer nails.
6. Place the coil on the nail platform (I).
7. Uncoil enough nails [approximately 3" (8 cm)] to reach the nose of the tool.
8. Insert the first nail into the nose and the second nail between the two rails of the feed
pawl (J).
NOTE: Be careful not to deform the coil of nails during the loading process. Otherwise, the nail
guide door will not close and the nails might not feed consistently.
9. Close the canister door (H) completely.
10. Close the door (K) making sure the door latch (L) is completely engaged.
Actuating Tool
WARNING: To reduce the risk of injury, ALWAYS wear proper eye [ANSI Z87.1 (CAN/CSA
Z94.3)] and hearing protection [ANSI S12.6 (S3.19)] when operating this tool.
The tool can be actuated using one of two modes: single sequential action trigger mode and
bump action trigger mode. The trigger installed on the tool as described in the Trigger section
of this manual determines the mode of operation.
FIG. 3
E
F
B
D
C
A
M
WALT Nailers are assembled
E
WALT Pneumatic Tool Oil
E
2
).
FIG. 4
G
L
K
J
SEQUENTIAL ACTION TRIGGER -
The sequential action trigger's intended use is for intermittent nailing where very careful and
accurate placement is desired.
To operate the nailer in sequential action mode:
1. Depress the contact trip firmly against the work surface.
2. Depress the trigger.
WARNING: A nail will fire each time the trigger is depressed as long as the contact trip
remains depressed.
BUMP ACTION TRIGGER -
(BLACK)
The bump action trigger's intended use is for rapid nailing on flat, stationary surfaces.
Using the bump action trigger, two methods are available: place actuation and bump
actuation.
To operate the tool using the PLACE ACTUATION method:
1. Depress the contact trip against the work surface.
2. Depress the trigger.
To operate the tool using the BUMP ACTUATION method:
1. Depress the trigger.
2. Push the contact trip against the work surface. As long as the trigger is depressed, the
tool will fire a nail every time the contact trip is depressed. This allows the user to drive
multiple nails in sequence.
WARNING: Do not keep trigger depressed when tool is not in use. Keep the lock-off
switch rotated to the right (OFF) when the tool is not in use.
Adjusting Depth (Fig. 5)
WARNING: To reduce risk of serious injury from accidental actuation when
attempting to adjust depth, ALWAYS:
• Lock OFF trigger.
• Disconnect air supply.
• Avoid contact with trigger during adjustments.
The depth that the fastener is driven can be adjusted using the depth adjustment next to
the trigger of the tool.
1. To drive the nail shallower, rotate the depth setting wheel (M) to the right.
2. To drive a nail deeper, rotate the depth setting wheel (M) to the left.
Clearing a Jammed Nail (Fig. 4)
WARNING: Lock off trigger, disconnect air line from tool and remove fasteners
from magazine before making adjustments or personal injury may result.
If a nail becomes jammed in the nosepiece, keep the tool pointed away from you and follow
these instructions to clear:
1. Lock OFF trigger.
2. Disconnect the air supply from the tool.
3. Open the door (K).
4. Open the canister door (H).
5. Remove the jammed nail.
6. Correct any deformation that may have occurred to the nail coil.
NOTE: Should nails continue to jam frequently in nosepiece, have tool serviced by an
authorized D
WALT service center.
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Rafter Hook
The D
WALT framing nailers include an integrated rafter hook and can be rotated to either
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side of the tool and can be folded out of the way when not in use.
If the hook is not desired at all, it can be removed from the tool.
Cold Weather Operation
When operating tools at temperatures below freezing:
1. Make sure compressor tanks have been properly drained prior to use.
2. Keep tool as warm as possible prior to use.
3. Make certain all fasteners have been removed from canister.
4. Put 5 to 7 drops of D
WALT Pneumatic Tool Oil in the air inlet.
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5. Lower air pressure to 80 psi or less.
6. Reconnect air and and load nails into canister.
7. Actuate the tool 5 or 6 times into scrap lumber to lubricate O-rings.
8. Turn pressure up to operating level (not to exceed 120 psi) and use tool as normal.
9. Re-lubricate at least once daily.
10. Always drain the compressor tanks at least once a day.
Hot Weather Operation
Tool should operate normally. However, keep tool out of direct sunlight as excessive heat can
deteriorate bumpers, O-rings and other rubber parts resulting in increased maintenance.
MAINTENANCE
WARNING: Lock off trigger, disconnect air line from tool and remove fasteners
from magazine before making adjustments or personal injury may result.
Daily Maintenance Chart
ACTION Lubricate tool with 5-7 drops of D
WHY
Prevents failure of o-rings
HOW
Insert drops into air fitting on end cap of tool
ACTION Drain compressor tanks and hoses daily
WHY
Prevents accumulation of moisture in compressor and nailer
HOW
Open petcocks or other drain valves on compressor tanks. Allow any accumulated
water to drain from hoses
ACTION Clean canister, feed piston area and contact trip mechanism.
WHY
Permits smooth operation, reduces wear, and prevents jams
HOW
Blow clean with compressed air. The use of oils or solvents is not recommended
as they tend to attract debris
ACTION Before each use, check to ensure all screws, nuts and fasteners are tight and
undamaged
WHY
Prevents jams, leaks and premature failure of tool parts
HOW
Tighten loose screws or other fasteners using the appropriate hex wrench or
screwdriver
Cleaning
WARNING: Never use solvents or other harsh chemicals for cleaning the non-metallic
parts of the tool. These chemicals may weaken the materials used in these parts. Use a
cloth dampened only with water and mild soap. Never let any liquid get inside the tool; never
immerse any part of the tool into a liquid.
Repairs
To assure product SAFETY and RELIABILITY, repairs, maintenance and adjustment
(including brush inspection and replacement) should be performed by a D
service center, a D
WALT authorized service center or other qualified service personnel.
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Always use identical replacement parts. Refer to the Troubleshooting Guide at the end
of this section.
Accessories
WARNING: Since accessories, other than those offered by D
tested with this product, use of such accessories with this tool could be hazardous. To
reduce the risk of injury, only D
WALT, recommended accessories should be used with this
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product.
Recommended accessories for use with your tool are available at extra cost from your
local dealer or authorized service center. If you need assistance in locating any accessory,
please contact D
WALT Industrial Tool Co., 701 East Joppa Road, Baltimore, MD 21286,
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call 1-800-4-D
WALT (1-800-433-9258) or visit our website www.D
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Three Year Limited Warranty
D
WALT will repair, without charge, any defects due to faulty materials or workmanship
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for three years from the date of purchase. This warranty does not cover part failure due
to normal wear or tool abuse. For further detail of warranty coverage and warranty repair
information, visit www.D
WALT.com or call 1-800-4-D
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warranty does not apply to accessories or damage caused where repairs have been made
or attempted by others. This warranty gives you specific legal rights and you may have other
rights which vary in certain states or provinces.
In addition to the warranty, D
WALT tools are covered by our:
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1 YEAR FREE SERVICE
D
WALT will maintain the tool and replace worn parts caused by normal use, for free,
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any time during the first year after purchase. Nailer wear items, such as o-rings and driver
blades, are not covered.
90 DAY MONEY BACK GUARANTEE
If you are not completely satisfied with the performance of your D
or Nailer for any reason, you can return it within 90 days from the date of purchase with a
receipt for a full refund – no questions asked.
LATIN AMERICA: This warranty does not apply to products sold in Latin America. For
products sold in Latin America, see country specific warranty information contained either
in the packaging, call the local company or see website for warranty information.
FREE WARNING LABEL REPLACEMENT: If your warning labels (Fig. 6) become illegible
or are missing, call 1-800-4-D
WALT for a free replacement.
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I
(GRAY)
WALT Pneumatic Tool Oil
E
WALT factory
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WALT, have not been
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WALT.com.
E
WALT (1-800-433-9258). This
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WALT Power Tool, Laser,
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