TM-9-2320-272-24-4
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 4 OF 4
JUNE 1998
TM-9-2320-272-24-4 - Page 240 of 836
TM 9-2320-272-24-4
5-35. R.Q.V. GOVERNOR HOUSING MAINTENANCE (Contd)
b. Disassembly
NOTE
Relieve governor flyweight spring tension when performing step 1.
1.
Press down on outer spring seat (3) and remove round nut (2) from threaded pin (9).
WARNING
Eye protection must be worn when removing springs under
tension. Failure to do so may result in injury to personnel.
2.
Remove outer spring seat (3), springs (4), (5), and (6), shim (7), and lower spring seat (8) from
governor flyweight assembly (12).
3.
Remove shims (1) and (13) from governor flyweight assembly (12).
c. Cleaning and Inspection
1.
For general cleaning instructions, refer to para. 2-14.
2.
For general inspection instructions, refer to para. 2-15.
3.
Inspect two governor flyweights (11) for nicks and scratches. If either flyweight (11) is nicked or
scratched, replace governor flyweight assembly (12).
4.
Inspect bell crank levers (10) for noticeable wear. Replace governor flyweight assembly (12) if either
bell crank lever (10) is worn.
5.
Inspect bearing pin (14) for scratches, scoring, nicks, and wear. Replace bearing pin (14) if
scratched, scored, nicked, or worn.
6.
Inspect guide bushing (15) for wear, scratches, or scores. Replace guide bushing (15) if worn,
scratched, or scored.
d. Assembly
1.
Install shims (13) and (1) in governor flyweight assembly (12).
WARNING
Eye protection must be worn when installing springs. Failure to
do so may result in injury to personnel.
2.
Install lower spring seat (8), shim (7), and springs (6), (5), and (4) in governor flyweight
assembly (12).
3.
Install outer spring seat (3) on spring (4).
4.
Install round nut (2) on threaded pin (9).
5-234
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