figure 4-30
d . D i s a s s e m b l y . R e f e r t o f i g u r e 4 - 2 9 a nd
disassemble drain valve.
e. Cleaning and Inspection.
(1) Clean all parts with cleaning solvent and
dry thoroughly.
(2) Inspect all parts for breaks, cracks, and
clam aged threads. Replace a damaged part.
f . R e a s s e m b l y . R e f e r t o f i g u r e 4 - 2 9 a nd
reassemble drain valve.
g. Installation.
(1) Tighten setscrew (5).
(2) Replace manhole cover (para 4-41).
(2) Pull control lever (5, fig. 4-27) to CLOSE
position and remove dust cap (17).
( 3 ) I n s u r e t h a t t a n k h a s b e e n c o m p l e t e l y
drained and thoroughly flushed before entering
t a n k.
(4) Enter tank thru manhole opening.
(5) Refer to figure 4-30. Loosen adjusting bale
(6), disengage lift rod (7) from adjusting bale and
remove lift rod.
(6) Outside the tank, remove six nuts (24)
holding valve to sump ring (8) and remove valve
assembly.
4-44. Discharge Valve Assembly
a. Removal.
(1) Remove manhole cover (para 4-41).
4-42
