Nanni 5.280HE Workshop Manual page 78

03-M Series, WSM
Crankshaft Oil Slinger
1. Remove the crankshaft collar (3).
2. Remove the O-ring (2).
3. Detach the crankshaft oil slinger (1).
(When reassembling)
• Insert the crankshaft collar (3) after install the gear case to
cylinder body.
(1) Crankshaft Oil Slinger
(2) O-ring
Idle Gear
1. Remove the external snap ring.
2. Detach the idle gear collar.
3. Detach the idle gear (2).
(When reassembling)
• Check to see each gear is aligned with its aligning mark
- Idle gear (2) and crank gear (4)
- Idle gear (2) and camshaft gear (3)
- Idle gear (2) and injection pump gear (1)
(1) Injection Pump Gear
(2) Idle Gear
(3) Cam Gear
Idle Gear (For Balancer Model)
1. Remove the external snap ring.
2. Detach the idle gear collar.
3. Detach the idle gear (2).
(When reassembling)
• Check to see each gear is aligned with its aligning mark:
- Idle gear (2) and crank gear (5), cam gear (3) and balancer
gear (4)
- Cam gear (3) and idle gear (2)
- Idle gear (2) and injection pump gear (1)
- Idle gear (2) and balancer gear (7)
(1) Injection Pump Gear
(2) Idle Gear
(3) Cam Gear
Camshaft
1. Remove the camshaft set screws (2) and draw out the camshaft
(1).
(When reassembling)
• When installing the idle gear, be sure to align the alignment
marks on gears.
Tightening torque Camshaft set screw
(1) Camshaft
S-61
DIESEL ENGINE
(3) Crankshaft Collar
W1024731
(4) Crank Gear
(5) Oil Pump Drive Gear
W1024941
(4) Balancer Gear
(5) Crank Gear
(6) Oil Pump Drive Gear
(7) Balancer Gear
W1097988
23.5 to 27.5 N·m
2.4 to 2.8 kgf·m
17.4 to 20.3 ft-lbs
(2) Camshaft Set Screw
W1025098
KiSC issued 08, 2012 A