TRUCK SERVICE MANUAL
ENGINE
1.
linger
8.Dust Lap
I5. Nut
23.Dust cap
2.
Keys
9. Oil Seal
16. Coupling
24. Governor Drive Gear
3.
Oil Seal
10. Driven Gear
17. Snap Ring
25. Bearing
4.
Snap Ring
11. Bushing
19. Drive Gear
26. Drive Gear
5.
Drive Shaft
12. Spacer
20. Support
27. Drive Shaft
6.
Bushing
13. Spacer
21. Oil Seal
7.
Adapter
14. Drive Coupling
22. Adapter
Fig. 9-2, (N10906). Fuel pump, hydraulic governor and hourmeter drive
ASSEMBLY
DISASSEMBLY AND INSPECTION
1. Install shaft (7) through housing (5) and bushing (4).
1. Remove nut (15, Fig. 9-2) (if used). With suitable
Slip on larger thrust washer (3) with face up.
puller, remove drive coupling (14). Remove spacer (13).
2. Install key (11) and press on drive gear (2).
2. Pull governor drive gear (24) from shaft. Inspect for
3. Turn assembly over; slip on small thrust washer (8)
chipped, cracked or worn teeth. Remove key (2).
(face up) and clamp washer. Install coupling key (11).
3. Press drive shaft (27) assembly from support (20).
4. Press on coupling (10), hub end down. Secure with
Check for wear or damaged threads.
locknut (9) or washer and capscrew.
4. Press drive gear (26), spacer (12) and hourmeter
5. Install slinger (6) over gear end of shaft.
drive gear (19) from shaft. Remove key (2). If used,
6. Check end clearance. It should be as listed in Table
press bearing (1) from shaft (27).
9-1(33) with unit assembled.
5. Unscrew dust caps (8 and 23).
6. Using a suitable puller, remove adapters (7 and 22)
Fuel Pump And Hourmeter Drive
from hourmeter drive. Press drive shaft (5) from support.
The hydraulic governor and hourmeter drive is used to
Remove and discard seals (9) and (21).
drive a hydraulic governor and hourmeter as well as the
Note: One of the drive gear bushings (6 or 11) and the
fuel pump.
drive shaft (5) may be damaged during removal of the
shaft.
Be sure to check shaft for straightness.
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