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10 3A2799A
5. Loosen the setscrew (15) then remove the fluid
housing (22) from the gun body (1). See FIG.8.
6. While supporting the spring guide (16) to prevent
bending the needle (2c), loosen the setscrews (17)
then remove the spring guide (16). See FIG.9.
7. Remove the needle (2c). Unscrew the seal
retainer (2d) then remove the seal (2e). See FIG.10.
8. Clean all parts and cavities thoroughly with a com-
patible flushing fluid. Dry with a rag or compressed
air. Replace any parts that are worn or damaged.
Reassembly
1. Lightly grease the inner cavities of the fluid
housing (22). Install the small seal (2e) so the lips
face into the fluid housing cavity. Install the seal
retainer (2d) and torque to 30-40 in-lb (3.4-4.5 N•m).
See FIG.11.
2. Lightly grease the small end of the needle (2c) then
guide it into the large end of the fluid housing (22).
See FIG.12.
FIG.8
FIG.9
FIG.10
1
22
15
ti19272a
17
16
ti19274a
2c
2d
2e
2c
ti19275a
FIG.11
FIG.12
2d
2e
22
ti19276a
2c
22
ti19271a