DeWalt D514301 Kit Instructions

D514301 O-ring Repair Kit Instructions
FOR USE WITH THE D51430 AND D51431 MEDIUM CROWN
STAPLERS
If you should have difficulty understanding the following instruc-
tions contact a D WALT service center or an authorized D
E
service person.
Important Safety Instructions
• Read and understand tool instruction manual before attempting
repairs.
• Use only genuine D WALT replacement parts.
E
• 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.
O-RING DESC. # IN KIT
O-Ring 42.9 x 2.53
O-Ring 35.8 x 2.5
O-Ring 29.7 x 3.5
O-Ring 43.5 x 2
O-Ring 64.5 x 2
O-Ring 45.5 x 2
Cap Gasket
Seal, Cylinder
Grease Tube
TO REPLACE O-RING
1. Disconnect air from tool before servicing
or repairing.
2. Remove all nails from the magazine and
nosepiece before servicing or repairing.
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.
K1
PART# 398166-00
D WALT Industrial Tool Co., 701 East Joppa Road, Baltimore, MD 21286
E
The following are trademarks for one or more D
the kit box configuration; and the array of lozenge-shaped humps on the surface of the tool.
PART # REF. LETTER
1 609019-00 F (Red Dot)
1 398163-00 E
1 622865-00 L
1 398165-00 M
1 398166-00 K(1)
1 398167-00 K(2)
1 395376-00 O
1 395380-00 Q
1 606112-00
L
PART# 622865-00
WALT power tools: the yellow and black color scheme; the "D" shaped air intake grill; the array of pyramids on the handgrip;
E
5. Replace internal (E) and external (F) O-rings on head valve.
WALT
E
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.
9. Remove bulkhead from cylinder.
10. Remove piston/driver subassembly
(H) from cylinder.
11. Replace piston O-ring (L) on driver
blade/piston assembly.
12. Replace
(M) on cylinder.
13. Replace internal (K2) and external
(K1) O-rings on bulkhead (K).
14. Apply grease to all O-rings prior to assembly.
15. Ensure the inside of the tool is free from dirt and
debris.
16. Place piston/driver subassembly (H) back into
cylinder (I).
17. Place bumper (J) onto bottom of cylinder (I).
18. Place bumper plate (N) through the
piston/driver subassembly. (H) and onto the
A
bottom of the bumper (J).
19. Replace cylinder seal (Q) with new one pro-
vided, and snap onto cylinder.
20. Replace cylinder hold-down (G) onto top of
bulkhead (K).
21. Assemble top bumper (D) into top cap (A). Be sure it snaps into
place.
F
PART# 609019-00
(RED DOT)
(POINT ROUGE)
(PUNTO ROJO)
E
PART# 398163-00
(MAR04) Form No. 622879-00
B
E
M
G
F
(RED DOT)
check valve O-ring
M
PART#
398165-00
D514301
B
C
D
I
J
K
Q
H
I
J
N
L
H
K2
PART# 398167-00
Copyright © 2004