ENGINE
M6040, M7040, WSM
1-S43
Injection Pump Unit
(Reassembling the fuel injection pump unit)
1. Place the piston of the 4th cylinder at the top dead center in the
compression stroke. Fix the flywheel with the flywheel stopper.
2. Install the injection pump unit to the crankcase 1.
3. Make sure of aligning the align marks (3) of the injection pump
gear (1) and the idle gear (4).
4. Take off the fuel camshaft lock screws (5) and tighten the plugs
(8) for plugging.
5. Moving the injection pump unit clockwise (viewed from front
cover side), align the injection timing marks on the injection
pump unit and on the crankcase 1.
6. Tighten the injection pump unit mounting nut (7) to the specified
torque.
7. Reconnect the lubricating oil pipe (9) and place the injection
pump unit support (10) and the window cover of the injection
pump unit.
8. Remove the flywheel stopper.
9. Check the injection timing. (See page 1-S19.)
10. If the injection timing is not within the specification, repeat (4. to
9.) again.
9Y1210143ENS0132US0
Tightening torque
Injection pump unit
mounting nut
18 to 20 N·m
1.8 to 2.1 kgf·m
13 to 15 lbf·ft
Lubricating oil pipe
mounting screw
15 to 19 N·m
1.5 to 2.0 kgf·m
11 to 14 lbf·ft
(1) Injection Pump Gear
(2) Window for Injection Pump Gear
(3) Align Mark
(4) Idle Gear
(5) Fuel Camshaft Lock Screw
(Socket Set Screw Dog Point Type)
(6) Window Cover
(7) Injection Pump Unit Mounting Nut
(8) Plug
(9) Lubricating Oil Pipe
(10) Injection Pump Unit Support
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