Doosan DX60R Shop Manual page 365

2. If installing the fuel injection pump on an engine with the
front gear case cover removed, the fuel injection pump
drive gear can be aligned with the idler gear by aligning
the stamped marks (A, B, C) on the fuel injection pump
drive gear, idler gear, and crankshaft drive gear. Ensure
all three timing marks (A, B, C, Figure 264) are aligned.
Reference
Number
1
2
3
4
5
6
7
3. Install a new O-ring on the pump mounting flange. Apply
grease to the O-ring to hold it in place during installation of
the injection pump.
NOTE: Ensure the tapered surface of the fuel injection
pump shaft is clean and dry.
4. Align the key on the fuel injection pump shaft with the
keyway in the fuel injection pump drive gear hub. Reinstall
the fuel injection pump into the fuel injection pump drive
gear and gear housing. Reinstall the pump retaining nuts
finger tight.
5. Reinstall the fuel injection pump drive gear lock washer (2,
Figure 265) and nut (1, Figure 265). Do not lubricate the
threads of the nut or shaft. Hold the crankshaft pulley bolt
with a socket wrench and tighten the drive gear nut to the
specified torque. See "Special Torque Chart" on
page -174
Engine
Description
Fuel Injection Pump Drive Gear
Camshaft Drive Gear
Auxiliary Drive Gear (Optional)
Crankshaft Drive Gear
Direction of Rotation
Oil Pump Drive Gear
Idler Gear
Figure 263
1
B
B
C
A
7
A
6
5
Figure 264
Figure 265
2
C
3
4
FG008920
SP001693
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