background image

6. Apply grease provided to o-rings in head valve prior to assembly.
7. Remove cylinder hold down (G) from tool.
8. Remove piston/driver subassembly (H), cylinder (I), bumper (J),

bumper plate (N) and bulkhead (K) from tool.

N

J

H

I

D512751 - 15 Gauge O-ring 
Repair Kit Instructions

FOR USE WITH D51275 15 GA. ANGLED FINISH NAILER

If you should have difficulty understanding the following instruc-
tions contact a D

E

WALT service center or an authorized D

E

WALT

service person.

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 from tool before servicing or repairing.
2. Remove all nails from tool.
3. Remove 4 screws from top cap (A) with 4 mm allen wrench 

provided in kit box.

4. Pull head valve (B), head valve spring (C), and top bumper (D) out

of top cap through center of head valve opening.

5. Replace internal (E-#398156-00) and external (F-#609018-

00/Red Dot) o-rings on head valve.

E

F (RED DOT)

B

C

D

B

A

O-RING DESC.

# IN KIT

PART #

REF. LETTER

O-Ring 48.5 x 2.53

1

609018-00

F (Red Dot)

O-Ring 39.8 x 2.5

1

398156-00

E

O-Ring 36.7 x 3.5

1

398157-00

L

O-Ring 49 x 2

1

398158-00

M

O-Ring 70 x 2.5

1

398159-00

K(1)

O-Ring 48.9 x 2.5 (Type 1)

1

398160-00

K(2)

O-Ring 45.5 x 2 (Type 2)

1

398167-00

K(2)

Top Cap Gasket

1

395061-00

O

Seal, Cylinder 

1

395065-00

Q

Grease Tube

1

606112-00

PART#

398158-00

PART#

398157-00

PART # 398167-00

(TYPE 2)

D

E

WALT Industrial Tool Co., 701 East Joppa Road, Baltimore, MD 21286

(DEC05)  Form No. 623233-00           D512751

Copyright © 2004, 2005  D

E

WALT

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.

PART#

609018-00

(RED DOT)

(POINT ROUGE)

(PUNTO ROJO)

PART#

398156-00

PART#

398159-00

PART # 398160-00

(TYPE 1)

Summary of Contents for D512751

Page 1: ...om tool 3 Remove 4 screws from top cap A with 4 mm allen wrench provided in kit box 4 Pull head valve B head valve spring C and top bumper D out of top cap through center of head valve opening 5 Replace internal E 398156 00 and external F 609018 00 Red Dot o rings on head valve E F RED DOT B C D B A O RING DESC IN KIT PART REF LETTER O Ring 48 5 x 2 53 1 609018 00 F Red Dot O Ring 39 8 x 2 5 1 398...

Page 2: ...DE FINITION EN ANGLE MODÈLE D51275 DE CALIBRE 15 Si les directives suivantes ne semblent pas claires communi quer avec un centre de service DEWALT ou un technicien DEWALT qualifié Consignes de sécurité importantes Lire et comprendre le guide avant d entreprendre des réparations N utiliser que des pièces d origine DEWALT Toujours porter des lunettes de protection approuvées par ANSI Débrancher l ou...

Page 3: ...lenché 25 Retirer l ancienne garniture du capuchon s assurer que la surface est propre 26 Remplacer la garniture du capuchon supérieur O no de pièce 395061 00 et s assurer qu elle est placée correctement entre le capuchon supérieur et le bâti avant de fixer le capuchon supérieur 27 Remettre le capuchon supérieur A et fixer les quatre vis au moyen de la clé Allen de 4 mm 28 Serrer fermement les vis...

Page 4: ...la tapa superior y la estruc tura antes de fijar la tapa 27 Coloque de nuevo la tapa superior A y coloque los 4 tornillos con una llave allen de 4 mm 28 Apriete los tornillos con firmeza para evitar fugas 29 Cerciórese de que el gatillo y la tira de contacto estén trabajando suavemente 30 Ajuste la presión en el compresor a 80 psi 31 Apunte la herramienta en dirección segura y conéctela a la ali m...

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