10. Reinsert trigger into trigger
valve cavity. For the
D51823 and D51845
Framing Nailers only, make
certain the contact trip
guide (D) is firmly pressed
into place.
11. Reinsert trigger pin through
housing, trigger, and upper
contact trip guide. Reattach
grommet.
12. Tighten screws snugly to prevent leaks.
13. Ensure trigger and contact trip are working smoothly.
14. Set pressure on compressor or air line at 80 psi.
15. Pointing tool in safe direction, connect tool to air supply. Tool
must not leak air.
16. Check for proper operation of tool. If tool continues to leak air or
if problems persist, take Nailer to a D
EWALT service center.
17. If warning labels are missing or damaged, request free replace-
ments from a D
EWALT service center.
D
D510005 – Instructions for Trigger
Valve Replacement
FOR USE WITH THE FOLLOWING DEWALT NAILER MODELS:
D51823, D51845, D51275, D51256 AND D51238
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 1-800-4-D
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 magazine.
2. Remove trigger by removing
grommet, taking out dowel pin
(A) and pulling out trigger and
trigger spring.
3. Using a small hammer and
3mm punch, drive out roll pins
(B) and (C).
4. Remove the four (4) top cap screws.
5. Remove top cap.
6. Using a 3mm or smaller
punch, LIGHTLY tap the
back side of the trigger
valve to remove assem-
bly, being careful not to
damage the inside of the
trigger housing.
7. Apply supplied grease to
outer O-rings of new trig-
ger valve. Insert valve and press into place with thumb until
assembly is flush with tool housing.
8. Drive roll pins back into place.
9. Replace top cap and gasket (where applicable). Tighten top cap
screws.
B
C
A
Part Desc. # in kit Part #
Trigger Valve 1 641006
Grease Tube 1 606112
KIT COMPONENTS
D510005 – Directives concernant le
remplacement de la vanne de
déclenchement
CLOUEURS DEWALT MODÈLES D51823, D51845, D51275,
D51256 ET D51238
Si les directives suivantes ne semblent pas claires, communi-
quer avec un centre de service D
E
WALT ou un technicien
D
E
WALT qualifé.
Consignes de sécurité importantes
• Lire et comprendre le guide avant d’entreprendre des réparations.
• 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 raccorder
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.
1. S’assurer que le boyau d’air est
débranché de l’outil. Retirer tous
les clous du chargeur, puis
déplacer lentement le poussoir
vers l’avant, aussi loin que
possible.
2. Enlever la gâchette en retirant d’abord l’oeillet et la goupille (A),
puis en dégageant la gâchette et son ressort.
3. Au moyen d’un petit marteau et d’un pointeau de 3 mm,
dégager les goupilles cylindriques (B et C).
B
C
A
Description de la pièce Quantité N
o
de pièce
Vanne de déclenchement 1 641006
Tube de graissage 1 606112
LÉMENTS DE TROUSSE
DEWALT Industrial Tool Co., 701 East Joppa Road, Baltimore, MD 21286 (MAR06) Form No. 642249-00 Copyright © 2001, 2006 DEWALT
The following are trademarks for one or more D
EWALT 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.