D518016
Bumper Replacement Kit Instructions
D
E
WALT FRAMING NAILER MODELS D51825 AND D51850
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
CAUTION:
• 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.
KIT COMPONENT
Part desc.
# in kit
Part #
Bumper 1
641165-00
1. Disconnect air supply and remove nails from tool.
2. Remove the 4 top cap screws (A) using a 5mm hex wrench.
Remove the top cap (D) (Fig. 1).
3. Remove wear guards (B), wear pads (C) and gasket (E)
(Fig. 2).
4. Pull out engine assembly and piston/driver blade assembly.
If necessary, pry the engine out of the tool housing with the
handle of a hammer or other tool (Fig. 3).
5. Remove old bumper from bottom of housing (Fig. 4).
6. Place new bumper (F) into housing. Make sure bumper is
properly seated in the nosepiece (Fig. 5).
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 gasket, top cap, top cap screws, wear guards and
wear pads. Be sure to orient gasket in the proper direction.
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.
D
E
WALT Industrial Tool Co. Inc., 701 E. Joppa Road, Towson, MD 21286 Copyright © 2007 D
E
WALT (NOV07) Part # N001278
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.
FIG. 4
FIG. 3
FIG. 1
A
C
B
D
FIG. 2
FIG. 5
C
B
E
A
D
F
D518016
Directives d’installation des pièces de
la trousse de rechange de l’amortisseur
CLOUEUSE DE CHARPENTE D
E
WALT, MODÈLES D51825 ET
D51850
Consignes de sécurité importantes
• Lire et comprendre le mode d’emploi de l’outil avant d’effectuer
toute réparation.
• Utiliser uniquement des pièces de rechange authentiques
D
E
WALT.
• Toujours utiliser une protection oculaire conforme aux normes
ANSI.
• Désaccoupler le tuyau d’air de l’outil et retirer tous les clous
avant de faire l’entretien de l’outil.
• Lors du raccord du tuyau d’air, toujours pointer l’outil dans une
direction sûre.
