ENGINE
TM 5-3805-258-24-2
DISASSEMBLY AND ASSEMBLY
AIR COMPRESSOR HEAD ASSEMBLY
Models 950 BNS and 950BS
DISASSEMBLE AND ASSEMBLE
17-1065
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
start by:
a) remove head assembly
Remove cover (7), unloader valve (1) and
spring (2) from top half (3) of head and
clean the unloader valve.
Remove two set screws from top half (3)
and hit either top half (3) or bottom half
(4) with a soft hammer to separate the
head.
Remove and clean exhaust valve (5) and
spring (6).
Remove and clean inlet valve (8) and spring.
Clean all of the passages in both top half (3)
and bottom half (4).
Place a new gasket (10), spring (6) and ex-
haust valve (5) on bottom half (4) of the
head.
Place inlet valve (8) and spring (9) on top
half (3) of the head.
Carefully put half (3) on half (4). Inlet valve
(8) can be moved to the correct location
with a rod through the opening for the
unloader valve.
Install the two set screws to hold the top
half (3) and the bottom half (4) of the head
together.
Install unloader valve (1), spring (2) and
cover (7) in the head.
end by:
a) install head assembly
5-15
