DeWalt D518008 Guia De Inicio Rapido

D518008
O-ring Replacement Instructions
FOR USE WITH D WALT FRAMING NAILER MODELS D51822,
E
AND D51844
If you should have difficulty understanding the following
instruc tions contact a D WALT service center or an authorized
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D WALT service person, or call 1-800-4-D
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Important Safety Instructions
• Read and understand tool instruction manual before attempting
repairs.
• Use only genuine D WALT replacement parts.
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• 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.
O-RING DESC. # IN KIT
Inner Exhaust
Inner Cylinder
Outer Exhaust
Outer Cylinder
Outer Bulkhead
Lower Cylinder
OTHER INCLUDED PARTS
Retainer Band
Cylinder Seal
Check Seal O-ring
Grease Tube
Piston O-ring
Gasket
1. Disconnect air supply and remove nails from tool.
2. Remove the 4 top cap screws (A) using a 5 mm hex wrench.
Remove the top cap (B).
3. Pull out engine assembly and piston/driver blade assembly. If
necessary, pry the cylinder out of housing using the handle of a
hammer or other tool.
WALT.
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TABLE 1
PART #
1 N041301
1 N023142
(in polybag)
1 N041302
1 N041303
2 390156-00
1 390146-00
1 603561-00
1 390140-00
1 N025479
2 N009710
1 608611-00
1 648243-00
B
A
4. Place the engine assembly upside down on work surface so
that the spring is toward the top. Use one hand to compress
the collar (C) and spring (D) so that the lower cylinder o-ring
(E) is exposed.
E
C
D
G
H
5. With the free hand, remove the lower cylinder o-ring and
gently release the collar and spring.
a. Remove the collar (C).
D
F
b. Remove the spring (D) by turning it slightly as it is pulled
off.
c. Remove the black retainer band (F) from the white spring
retainer (G).
6. Remove the spring retainer (G) by spreading it enough to
clear the body of the engine and pushing it up.
7. Remove the bulkhead (H).
8. All the o-rings are identified in Figure 1.
9. Remove all o-rings and the cylinder seal (I) as identified in the
Parts Drawing at the end of this instruction sheet.
IMPORTANT: Replace all o-rings, coating each one
with a layer of supplied grease to insure proper seating
when reinstalled. No grease is needed on the check seal
o-ring.
10. Reassemble the engine in reverse order.
WARNING: The o-ring in the polybag (part # 606640-00)
must only be used in the location indicated on the Parts
Drawing. The use of any other o-ring in this position could
result in excessive wear over the life of the tool and potential
inadvertent firing.
11. Insert engine assembly into frame and push down as far as
possible.
12. Replace piston o-ring (J) on driver blade/piston as sem bly (K).
Insert driver blade/piston assembly into cylinder. Align driver
blade by turning clockwise and pushing in.
K
C
F
C
G
H
I
G
J