ENGINE
Models
DISASSEMBLE AIR GOVERNOR
TM 5-3805-258-24-2
AIR GOVERNOR
DISASSEMBLY AND ASSEMBLY
950 BNSCE and 950BSCE
1.
2.
3.
Unscrew cover (1) until cover is released
from governor adjusting screw (2). Remove
O-ring (3).
Remove spring retaining ring (4).
Pull adjusting screw (2) with spring assembly
(5) out of governor body (6).
NOTE: Spring assembly (5) is not normally dis-
4.
5.
6.
assembled. Parts of this assembly cannot
be purchased separately.
To disassemble spring assembly (5), remove
locknut (7) and spring seat (8) from adjust-
ing screw (2).
Remove spring (9), lower spring seat (10),
spring guide (11), and the remaining lower
spring seat (12).
Gently tap the open end of the valve
on a flat surface to remove exhaust
(13), spring (14) and piston assembly
body
stem
(15).
NOTE: Items (13) and (15) may be made of either
7.
8.
9.
10.
metal or plastic.
Remove O-rings (16) from the piston assem-
bly.
Using a hooked wire, remove O-Ring (17)
from piston assembly. On plastic piston
assemblies (15) it may be necessary to
remove washer (18) and retaining ring (19)
before removing O-ring (17).
If piston assembly is plastic, insert the blade
of a small screwdriver between the two ears
of retaining ring (20) and pry retaining ring
(20) out of piston. Remove valve spring (21)
and inlet/exhaust valve (22).
If piston assembly is metallic, remove valve
spring (21) from recess in piston. Remove
inlet/exhaust valve (22).
WARNING
If NBC exposure is suspected, all air filter media
should be handled by personnel wearing pro-
tective equipment. Consult your unit NBC Offi-
cer or NBC NCO for appropriate handling or dis-
posal instructions.
11. Remove and discard filters (23) from un-
loader and reservoir ports in governor body.
5-20a
