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D518006
Bumper Replacement Kit Instructions

D

E

WALT FRAMING NAILERS MODELS D51822, D51823,

D51844, AND D51845

FOR USE ON DATE CODE (A)
200407 AND LATER.
If you should have difficulty
understanding the following
instructions contact a D

E

WALT

service center or an authorized
D

E

WALT service person, or call

1-800-4D

E

WALT.

Important Safety Instructions

Read and understand tool instruction manual before attempting
repairs.

Use only genuine D

E

WALT Replacement Parts.

Always wear ANSI compliant eye protection.

Disconnect air from tool and remove all nails before servicing.

Always point tool in safe direction when reconnecting air supply.

CAUTIONS:

Do not allow dirt, dust or other foreign materials to enter the tool.

Be careful not to scratch or damage the O-rings or any internal
surfaces.

1. Disconnect air supply and remove all nails from tool.
2. Remove the 4 top cap screws (B) using a 5mm Allen wrench.
3. Remove top cap (Fig. 2). 
4. Pull out engine assembly and piston/driver blade assembly. If

necessary, pry the engine out of the tool housing with the han-
dle of a hammer or other tool (Fig. 3).

5. Remove old bumper from bottom of housing (Fig. 4).
6. Place new bumper into housing.
7. Grease all exposed engine o-rings and inside bore of top cap.
8. Reinsert engine assembly and push down firmly to seat.
9. Replace top cap and top cap screws.

10. Tighten screws snugly to prevent leaks.

11. Ensure trigger and contact trip are working smoothly.

12. Set pressure on compressor or air line at 80 psi.
13. Pointing tool in safe direction, connect tool to air supply. Tool

must not leak air.

14. Check for proper operation of tool. If tool continues to leak air or

if problems persist, take nailer to a D

E

WALT service center.

15. If warning labels are missing or damaged, request free replace-

ments from a D

E

WALT service center.

Part desc.

# in kit

Part #

Bumper

1

610777-00

KIT COMPONENT

A

FIG. 1

FIG. 3

FIG. 4

FIG. 2

B

D518006 
Directives concernant le
remplacement de la butée :

CLOUEURS POUR CHARPENTES D

E

WALT MODÈLES

D51822, D51823, D51844, ET D51845

À UTILISER SUR LE CODE 
DE DATATION (A) 200407 ET
ULTÉRIEURS.
Si les directives suivantes ne
semblent pas claires, communi-
quer avec un centre de service
D

E

WALT  ou un technicien

D

E

WALT qualifié.

Consignes de sécurité importantes

Lire et comprendre le guide avant d’entreprendre des répara-
tions.

N’utiliser que des pièces d’origine D

E

WALT.

Toujours porter des lunettes de protection approuvées par ANSI.

Débrancher l’outil du circuit d’alimentation en air et retirer tous
les clous avant d’effectuer les opérations d’entretien.

Toujours orienter l’outil dans une direction sûre avant de rac-
corder l’outil au circuit d’alimentation en air.

MISES EN GARDE :

Ne laisser aucune saleté ou matière étrangère pénétrer à 
l’intérieur de l’outil.

Éviter d’égratigner ou d’endommager les joints toriques et les
surfaces internes.

Description de la pièce

Quantité

No de pièce

Butée

1

610777-00

ÉLÉMENT DE TROUSS

E

A

FIG. 1

D

E

WALT Industrial Tool Co. Inc., 701 E. Joppa Road, Towson, MD 21286            Copyright © 2001, 2003            (DEC-03)            Form # 620392-00

The following are trademarks for one or more D

E

WALT 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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