TM 9-2320-289-34
5-5.
GOVERNOR ASSEMBLY MAINTENANCE (Con’t).
3.
Install sleeve in bore of transmission and inspect for free operation in bore. Inspect valve for
free operation in bore of sleeve. If sleeve or valve bind, replace governor assembly as a unit.
4.
If a new governor assembly has been obtained, install in bore of transmission and inspect for
free operation, If governor assembly binds in bore, replace transmission case,
d.
ASSEMBLY
1 .
If removed install new driven gear (12) on sleeve (10). Press driven gear in until it is almost
seated, using a socket, with governor assembly (4) supported in an arbor press with two
7/64 in. (2.78 mm) plates in the exhaust openings (16). Remove any shavings from driven gear
hub and press in until it is seated.
CAUTION
Shaft portion of driven gear (12)
s h o u l d b e
supported
when
installing new Iockpin (11). Failure
to follow this caution may result in
damage to driven gear.
2 .
Using a 1/8 in. drill, drill a new pin hole
90 degrees from the existing one in
sleeve (10). Install new Iockpin (11)
through new hole in driven gear and
sleeve so that ends are just below top
of hole. Clean driven gear and sleeve
assembly to remove any shavings
that may have collected.
3 .
Install valve (13) into bore of sleeve
(10). Install 2 primary weights (7),
secondary weights (9), springs (8),
and thrust cap (14) on sleeve. Aline
pin holes and install 2 new pins (6).
Crimp ends of pins to prevent them
from falling out.
4 .
Lubricate governor assembly with
hydraulic fluid and ensure that weight
assemblies (7 and 9) operate freely
on 2 pins (6) and that valve (13)
operates freely in bore of sleeve
(10).
5 .
Inspect valve entry opening (15) with weights held all the way outward. The opening should be
0.020 in. (0.508 mm) minimum, Inspect valve exhaust opening (16) with weights held all the
way inward, The opening should be 0,020 in. (0.508 mm) minimum. If valve entry and exhaust
openings are not within specifications, replace governor assembly (4),
TA50212
5 - 2 2
