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A
FIG. 1
FIG. 2
B
B
FIG. 6
L
M
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 and other masonry products, and
• arsenic and chromium from chemically-treated lumber.
Your risk from these exposures varies, depending on how often you do 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 microscopic particles.
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 bump action trigger. However, a sequential 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.
E
The gray trigger with
imprinted on the side, (Cat.# D510022 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.# D510020 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.
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.
NOTICE: To reduce the risk of damage to the tool, only use D
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
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use 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.
4. 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, 4)
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 (P) 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. 5)
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 canister latch (R) to open the canister door (G).
4. Place your finger under the nail guide door (H) and pull to open the door.
5. Rotate the nail platform adjustment lever (F) to properly accommodate the nail length being
used. There are three different positions. The lowest position is used for 1-1/2" to 1-3/4"
(38–45 mm) nails, the center position is used for 1" to 1-1/2" (25–38 mm) nails and the
highest position is used for 3/4" to 7/8" (19–25 mm) nails.
6. Place the nail coil on spindle (I) in canister.
7. Uncoil enough nails (approximately 3" [76 mm]) 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 nail guide door (H) completely.
10. Close the canister door (G) completely by engaging the canister latch (R) with your
fingers and locking the canister closed.
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.
FIG. 3
E
P
D
C
A
K
FIG. 7
WALT Nailers are assembled
E
WALT Pneumatic Tool Oil or
E
2
).
FIG. 4
P
K
FIG. 8
N
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.
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 -
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. 3, 4)
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 (K) to the right (Fig. 3).
2. To drive a nail deeper, rotate the depth setting wheel (K) to the left (Fig. 4).
Shingle Gauge Adjustment (Fig. 6)
WARNING: Lock off trigger, disconnect air line from tool and remove fasteners
from magazine before making adjustments or personal injury may result.
1. Lock off trigger.
2. Disconnect air supply.
3. Loosen the screw (L) with the hex wrench provided. Move the gauge (M) up or down to
attain desired position.
4. Tighten the screw.
Clearing a Jammed Nail (Fig. 5)
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 canister door (G).
4. Open the nail guide 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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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
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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 (Fig. 7, 8, 9)
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 contact trip.
WHY
Permits smooth operation of contact trip.
HOW
Dip the front end of the tool into solvent allowing the dust and dirt to dissolve (Fig. 9).
Dry off nailer before use. NOTE: Only use kerosene, #2 fuel oil, or diesel fuel as a
solvent. NEVER use gasoline, this will damage the o-rings. DO NOT dip the tool beyond
the feed piston.
ACTION Clean canister.
WHY
Permits smooth operation of tool and allows nails to consistently move into the feeder
section of the tool.
HOW
Blow clean with compressor air.
ACTION Clean feed piston area.
WHY
Permits smooth operation of feed pawl.
HOW
Open feed piston cover (N) as shown in Figures 7 and 8. Blow clean with compressor
air.
ACTION Before each use, check to insure 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
product.
FIG. 5
J
I
H
F
FIG. 9
N
(GRAY)
(BLACK)
WALT Pneumatic Tool Oil in the air inlet.
WALT Pneumatic Tool Oil.
E
WALT, recommended accessories should be used with this
E
R
G
WALT factory
E
WALT, have not been
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