ENGINE
M6040, M7040, WSM
1-S48
(Continued)
1. Pull out the injection pump gear using gear puller (1). (See page
G-53.)
2. Loosen the fuel camshaft stopper mounting screws (2) and
remove the fuel camshaft stopper (3).
3. Pull out the fuel camshaft (8) and bearings (9) together.
4. Loosen the fuel camshaft bearing stopper mounting screws (5).
5. After removing the fuel camshaft bearing stopper (4), press out
the bearings (9).
• Do not use the fuel camshaft lock bolts, when removing the
governor weight mounting nut. Otherwise, the lock bolts or
injection pump housing might get damage.
(When reassembling)
• Press the bearings (9) into the fuel camshaft.
• Confirm that the oil path hole (7) set in position and attach the
fuel camshaft bearing stopper (4). Then tighten the fuel
camshaft bearing stopper mounting screws (5) with the
specified torque.
• Install the fuel camshaft and bearings (9) to the injection pump
housing.
• Attach the fuel camshaft stopper (3) and tighten the fuel
camshaft stopper mounting screws (2) with the specified torque.
• Install the injection pump gear and mounting nut to the fuel
camshaft and temporarily tighten nut.
• Fix the flywheel with the flywheel stopper. Then tighten the
injection pump gear mounting nut and the governor weight
mounting nut with specified torque.
• Install the injection pump assembly to the injection pump
housing.
• Install the governor sleeve to the fuel camshaft.
• Check the movement of the governor sleeve.
• Be careful not to damage the O-ring (10).
• Be careful the direction of the governor sleeve.
• When reassembling the inside parts, put the oil on each
inside part slightly.
9Y1210143ENS0068US0
Tightening torque
Fuel camshaft stopper
mounting screw
9.81 to 11.2 N·m
1.00 to 1.15 kgf·m
7.24 to 8.31 lbf·ft
Fuel camshaft bearing
stopper mounting screw
3.9 to 4.2 N·m
0.39 to 0.43 kgf·m
2.9 to 3.1 lbf·ft
(1) Injection Pump Gear Puller
(2) Fuel Camshaft Stopper Mounting
Screw
(3) Fuel Camshaft Stopper
(4) Fuel Camshaft Bearing Stopper
(5) Fuel Camshaft Bearing Stopper
Mounting Screw
(6) Key Way of Fuel Camshaft
(7) Oil Path Hole
(8) Fuel Camshaft
(9) Bearing
(10) O-ring
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