TM 5-4310-378-14
b. R e p l a c e m e n t .
NOTE
T h e upper first stage
c y l i n d e r head has the
b e l t guard bracket and
s t r u t secured by special
l e n g t h head bolts.
(1)
Removal
( a ) Remove four bolts (l). If
removing the upper first stage
c y l i n d e r head, remove the belt
guard bracket and strut.
(b) Remove head (2) and gasket
(3). Discard gasket.
( c ) Remove outlet valve push
cover (4), packing (5), spring
(6) and plate (7) from head
( 8 ) . Discard packing (5).
( d ) Remove snap ring (9), valve
r e c e i v e r (10), spring (11), and
valve plate (12) from head (8).
(2)
Installation
(a) Obtain replacement parts and
i n s t a l l valve plate (12), spring
( 1 1 ) , valve receiver (10), and
snap ring (9) to head (8).
(b) Obtain replacement parts and
i n s t a l l valve plate (7), spring
(6), new packing (5), and push
cover (4).
(c)
Install
new
head
gasket
(3)
and
NOTE
The upper first stage
c y l i n d e r head has belt
guard bracket and strut
s e c u r e d by special
l e n g t h head bolts.
4-8