TM 9-6115-604-34
NAVFAC P-8-633-34
1.
SHOULDER PIN
25.
OIL SEAL
2.
SHIMS
26.
DRIVE SHAFT ASSEMBLY
3.
WEIGHT ASSIST SPRING
27.
FUEL PUMP DRIVE COUPLING
4.
LOWER WEIGHT CARRIER ASSEMBLY
28.
FUEL PUMP DRIVE GEAR
5.
GOVERNOR WEIGHT
29.
RETAINING RING
6.
GOVERNOR CARRIER
30.
BALL BEARING
7.
CARRIER SHAFT
31.
DRIVE SHAFT
8.
WEIGHT PINS
32.
DRIVE KEY
9.
GOVERNOR GEAR
33.
IDLER SHAFT ASSEMBLY
10.
BUSHING
34.
IDLER GEAR
11.
COVER
35.
BUSHING
12.
MALE CONNECTOR
36.
IDLERNSHAF
13.
TACHOMETER DRIVE SHAFT
37.
WASHER
14.
TACHOMETER SEAL
38.
RETAINING RING
15.
TACHOMETER SEAL SPACER
39.
UPPER WEIGHT CARRIER ASSEMBLY
16.
SLEEVE BE ARING
40.
GOVERNOR WEIGHT
17.
TACHOMETER DRIVEN GEAR
41.
GOVERNOR CARRIER
18.
TACHOMETER DRIVE ASSEMBLY
42.
CARRIER SHAFT
19.
SPIDER
43.
WEIGHT PINS
20.
CAPSCREW
44.
GOVERNOR GEAR
21.
LOCKWASHER
45.
BUSHING
22.
WASHER
46.
MAINSHAFT, COVER, AND GOVERNOR
23.
FUEL PUMP DRIVE COUPLING
ASSEMBLY
24.
TACHOMETER DRIVE GEAR
Figure 6-12. Mainshaft, Cover, and Governor, Exploded View (Sheet 2 of 2)
(2)
Inspect and Repair. See Figure 6-12.
WARNING
Compressed air used for cleaning or drying can create airborne particles that may enter the
eyes. Pressure shall not exceed 30 psi (207 kPa). Wearing of goggles Is required to avoid
Injury to personnel.
(a)
Clean all parts in dean diesel fuel, regular grade DF2 W-F-800, and blow dry with compressed air.
(b)
Inspect all threaded parts for damaged and stripped threads. Repair minor thread damage by chasing.
Repair stripped holes in accordance with paragraph 2-12. Replace stripped machine bolts and fittings.
(c)
Place a 1/4 inch drill bit shank under the weight feet of the lower and upper weight carrier assemblies (4
and 39), and try to insert a 11 /64 inch drill bit shank between the weight feet (1, Figure 6-14). If the 11/64
inch drill bit will enter, replace the weight pins (8 and 43, Figure 6-12) or the governor weights (5 and 40),
or both the governor weights and the governor pins in accordance with step (e), below.
(d)
Check the weight carrier assemblies (4 and 39) for worm, cracked, or chipped governor gear (9 and 44)
teeth; check the carrier shafts (7 and 42) for wear, scoring, and grooving, and check the governor carriers
(6 and 41) for cracks and wear. If the governor gear teeth are defective, the governor carriers worn or
cracked, or a wear edge on the carrier shafts can be felt with the fingernail, replace the defective parts in
accordance with step (e), below.
6-29
