TM 5-4310-275-14
9.
Piston
1.
Identification plate
10.
Piston seat
2.
Drive screw
11.
Preformed packing
3.
Inlet fitting
12.
Backup ring
4.
Outlet fitting
13.
Valve body
5.
Gasket
14.
Gasket
6.
Valve cap
15.
Backup ring
7.
Spring plate
16.
Nut
8.
Spring
Be sure all residue is removed from crevices and
WARNING
packing ring grooves.
Dry cleaning solvent, Fed. Spec. P-D-680
(2) Inspect parts for evidence of damage and
o r P-S-661, used to clean parts is
wear such as stripped screw threads, cracking of
potentially dangerous to personnel and
valve body, and finished surfaces that are
property. Avoid repeated and prolonged
scratched, scored or pitted.
skin contact. Do no use near open flame
(3) Make sure seat surface of piston is
or excessive heat. Flash point of solvent
smooth and undamaged; mating surface of piston
is 100 F. (38C.) -- 138 F. (59C.).
seat must be sharp and without nicks or other
d. Cleaning and Inspection.
signs of wear or damage.
(1) Wash all parts in dry cleaning solvent,
(4) Check spring for signs of set or out-of-
Fed. Spec. P-D-680, and dry thoroughly with
round. Spring must be cylindrical in shape with
filtered, compressed air or clean, lint-free cloths.
