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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. 

SEQUENTIAL ACTION TRIGGER - 

 

(GRAY)

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.

FIG. 5

M

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

E

WALT service center.

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

E

WALT 

Pneumatic Tool Oil 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

E

WALT Pneumatic Tool Oil or a non-detergent S.A.E. 20 weight 

oil. DO NOT 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.
  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

2

).

  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) 

F

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

E

WALT nailer is equipped with a trigger lock-off switch (F) which 

when rotated to 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.

FIG. 4

K

G

H

I

L

J

Summary of Contents for D51855-XE

Page 1: ...D51855 XE COIL FRAMING NAILER 38 mm 90 mm 1 1 2 3 1 2 INSTRUCTION MANUAL ...

Page 2: ...azardous situation which if not avoided may result in property damage EXTERNAL TOOL PARTS TRIGGER WITH TRIGGER LOCK OFF DEPTH SETTING WHEEL CONTACT TRIP EXHAUST CAP CANISTER LATCH CANISTER WEAR GUARDS RAFTER HOOK NAIL GUIDE DOOR FIG 1 D51855 Coil Framing Nailer Nail Lengths 38 mm 90 mm 1 1 2 3 1 2 Shank Diameters 2 5 mm 3 3 mm 099 131 Nail Coil Angle 15 Shank Types Smooth Ring Screw NAIL SPECIFICA...

Page 3: ...the work surface is clear of any debris and be careful not to lose footing when working in elevated environments such as rooftops Do not drive fasteners near edge of material The workpiece may split causing the fastener to ricochet injuring you or a co worker Be aware that the nail may follow the grain of the wood shiner causing it to protrude unexpectedly from the side of the work material Drive ...

Page 4: ...for use in industry requiring bump fire e g pallet manufacture Young children and the infirm This appliance is not intended for use by young children or infirm persons without supervision Young children should be supervised to ensure that they do not play with this appliance BEFORE OPERATING THIS TOOL CAREFULLY READ AND UNDERSTAND ALL INSTRUCTIONS IN THE IMPORTANT SAFETY INSTRUCTIONS SECTION ASSEM...

Page 5: ...er 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 th...

Page 6: ...o rings 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 DEWALT factory service center a DEWALT authorized service center or other qualified service personnel Always use identical replacement parts Refer to ...

Page 7: ...frozen Warm up tool Damaged or worn o rings Replace gasket o rings using O ring Repair Kit Cat D518551 Broken or damaged driver blade Replace Driver Blade Kit Cat D518552 Lack of power sluggish Low air pressure Check air supply Lack of lubrication Lubricate tool using approved pneumatic tool oil Damaged or worn o rings Replace gasket o rings using O ring Repair Kit Cat D518551 Exhaust port blocked...

Page 8: ...land 0800 339258 DEC08 Part No N021999 D51855 XE Copyright 2008 DEWALT The following are trademarks for one or more DEWALT power tools the yellow and black color scheme the D shaped air intake grill the array of pyramids on the handgrip the kit box configuration and the array of lozenge shaped humps on the surface of the tool ...

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