Doosan DX60R Shop Manual page 336

Installation of Timing Gears
1. Set the No. 1 piston to top dead center.
2. Rotate the camshaft until the mark (C, Figure 223) is
approximately at the 9 o'clock position.
Reference
Number
1
2
3
4
5
6
7
3. Lubricate the idler gear (2, Figure 224), bushing (3, Figure
224) and idler gear shaft (1, Figure 224) with clean engine
oil.
4. Align the timing gears as shown in (Figure 223).
5. Reinstall the idler gear and idler gear shaft. Be sure the oil
hole in the bushing is facing toward the top of the engine.
6. Ensure all three timing marks (A, B, C, Figure 223) are
aligned.
7. When all gears are properly aligned, tighten the idler gear
retaining bolts to specified torque. See "Special Torque
Chart" on page -101 for specifications.
Installation of Gear Case Cover
1. Apply a continuous bead of ThreeBond Liquid Gasket to
the mounting area of the gear case cover (1, Figure 225).
Be sure to circle the bolt holes.
2. Reinstall and tighten the gear case cover bolts.
Engine
Page 156
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
1
B
B
C
A
7
A
6
5
Figure 223
Figure 224
Figure 225
2
C
3
4
FG008920
SP001693