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TM 10-4930-248-13&P
5-3.
CCR NOZZLE,
PISTON
MODEL,
ASSEMBLY
REPAIR
- continued.
a.
Disassembly
- continued.
(21)
While holding the piston compression
too], slowly pull back on the collar (27). Spring (28) will push the
piston compression
tool, poppet (29), and sleeve seal (30) out of the nozzle housing (14).
(22)
Remove spring (28) and flow guide (31) from coupling end of nozzle housing (14).
(23)
Place nozzle housing (14) in a soft face vise with coupling end of nozzle facing up. Only tighten the vise
enough to retain the nozzle housing (14).
CAUTION
Failure to trip the collar latch with the body wrench will cause damage to
stayback
detents.
(24)
Align body wrench with locking lugs (32) and press into coupling end of nozzle until the collar
(27) trips to the forward position.
WARNING
Body and collar are under spring pressure.
Maintain pressure
on the body wrench
to prevent sudden separation.
(25)
Turn body wrench and loosen nozzle body (33) from nozzle housing (14).
(26)
While holding collar spring (34) and collar (27) together, remove collar (27) and spring (34) from nozzle
housing (14).
(27)
Place collar (27), with body wrench still attached, on a workbench with coupling end down.
(28)
Remove collar spring (34) from collar (27).
(29)
Remove spring retainer (35) and stayback spring (36) from collar (27).
(30)
Remove lug retaining ring (37), nine locking lugs (38), three stayback detents (39) and lug wire (40) from
body (33).
(31)
Remove and discard wiper seal (41) from nozzle body (33).
(32)
Remove and discard backup ring (42) and teflon seal (43) from nozzle body (33).
(33)
Remove and discard preformed packing (44) from nozzle housing (14).
Change
1
5-27
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