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308438 13
Service
Fig. 10
1
22
15
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6. Loosen the setscrew (15). Pull the fluid housing (22)
away from the gun body (1). See Fig. 10.
Fig. 11
16
17
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7. While supporting the spring guide (16) to prevent
bending the needle, loosen the setscrews (17).
Remove the spring guide (16). See Fig. 11.
Fig. 12
2c
2d
2e
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8. Remove the needle (2c). Unscrew the seal retainer
(2d). Remove the seal (2e). See Fig. 12.
Cleaning
Clean all parts and cavities thoroughly with a compat-
ible solvent. Dry with a rag or compressed air. Replace
any parts that are worn or damage.
Reassembly
Fig. 13
1
3
2
Lips of seal must face into housing
Grease inner cavity of housing
Torque to 20–25 ft-lb (27–34 NSm)
22
2e
2d
1
2
3
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1. Lightly grease the inner cavities of the fluid hous-
ing (22). Install the small seal (2e) so the lips face
into the fluid housing cavity. Install the seal retainer
(2d) and torque to 20–25 ft-lb (27–34 NSm). See
Fig. 13.