ENGINE
M6040, M7040, WSM
1-S47
Fuel Camshaft and Governor Weight
1. Separate the governor housing assembly from the injection
pump unit. (See page 1-S42.)
2. Remove the governor sleeve (1).
3. Remove the injection pump assembly (4).
4. Remove the fuel camshaft lock screws.
5. Install the injection pump unit to the crankcase 1 again and
temporarily tighten unit.
6. Fix the flywheel with the flywheel stopper and loosen the
injection pump gear mounting nut (5).
7. Remove the governor weight mounting nut (3) and the governor
weight (2).
8. Separate the injection pump unit from the crankcase 1.
• Do not use the fuel camshaft lock screws, when removing
the governor weight mounting nut. Otherwise, the lock
screws or injection pump housing might get damage.
• This injection pump gear mounting nut (5) has left-handed
screw. To loose this nut, rotate clockwise (viewed from
flywheel side).
(To be continued)
Tightening torque
Injection pump assembly
mounting screw
23.5 to 27.5 N·m
2.4 to 2.8 kgf·m
17.3 to 20.3 lbf·ft
Injection pump assembly
mounting nut
17.7 to 20.6 N·m
1.8 to 2.1 kgf·m
13.0 to 15.2 lbf·ft
Injection pump gear
mounting nut (left-handed
screw)
137.3 to 156.9 N·m
14.0 to 16.0 kgf·m
101.3 to 115.7 lbf·ft
Governor weight mounting
nut
62.8 to 72.6 N·m
6.4 to 7.4 kgf·m
46.3 to 53.5 lbf·ft
(1) Governor Sleeve
(2) Governor Weight
(3) Governor Weight Mounting Nut
(4) Injection Pump Assembly
(5) Injection Pump Gear Mounting Nut
A: To Tighten
B: To Loosen
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