TM 10-4930-204-13
Legend for figure 5-16:
1.
Setscrews
2.
Vent body cap
10.
11.
3.
Filler plug
12.
4.
Vent assembly
13.
5.
Cover gasket
14.
6.
Latch
15.
7.
Latch lock
16.
8.
Spring
17.
9.
Capscrew
Capscrew nut
Manhole cover
Manhole cover gasket
Bolt
Cotter pin
Lug
Washer
Wingnut
(2) Install tube (2) and dipstick (1).
(3) Install manhole cover (para 5-26).
5-28.
DRAIN VALVE ASSEMBLY.
a.
Removal and Disassembly.
(1) Remove manhole cover (para 5-26).
(2) Remove setscrew (1, fig. 5-18) and pin (2) and pull out
rod and handle (3).
(3) Remove control rod packing nut (4) and support (5).
(4) Remove collar (6) and key (7).
(5) Unscrew drain valve handle (8) and elbow (9) from valve
packing (8).
(6) Remove valve (10) and nipple (11).
b.
Cleaning and Inspection.
Drycleaning solvent normally has a flash point
of either 100 or 138 degrees F, depending on the
type being used, but may flash at much lower tem-
peratures if contaminated with gasoline or jet
fuel.
Avoid repeated and prolonged skin contact.
Do not use near open flame or excessive heat.
(1) Clean parts with drycleaning solvent (item 1, App. F).
Immerse each part in solvent and remove contaminants by brushing.
Allow parts to dry thoroughly.
(2) Straighten bent rod and handle. If rod and handle is
not repairable, replace it with a serviceable one.
5-39
