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5
CYLINDER BLOCK ASSEMBLY
5. Assemble injector pump to gear case with new
O-ring and install nuts and support bracket
screw finger tight, Fig. 14.
NOTE: Pump must be able to rotate
a. Align timing mark on injection pump with
timing mark on gear case.
NOTE: See Section 10 for injector pump
timing procedure.
Fig. 14 – Install Injector Pump
TIMING
MARKS
6. Assemble idler gear shaft with ID mark up, as
shown in Fig. 15.
Fig. 15 – Assemble Idler Gear Shaft
IDLER GEAR
SHAFT
ID MARK
UP
Engine models 432000 and 582000 after date code
990111007, and all engine models 522000 are
equipped with right angle helical timing gears. Timing
marks are identified by letters (A, AA, B, BB, etc.),
instead of numbers. The timing procedure is the same.
7. With crankshaft key at 12 o’clock position, as-
semble idler gear so that timing mark 11 (AA) is
aligned with timing mark 1 (A) on crankshaft gear,
timing mark 22 (BB) is aligned with timing mark 2
(B) on camshaft gear, and timing mark 33 (CC) is
aligned with timing mark 3 (C) on injector pump
gear, as shown in Fig. 16.
a. Install oil pump gear.
Fig. 16 – Aligning Timing Marks
CRANKSHAFT
KEY
12 O’CLOCK
8. Torque screws as shown, Fig. 17.
a. Camshaft Gear: 41.0 Nm (30 ft. lbs.)
b. Idler Gear: 25.0 Nm (220 in. lbs.)
c. Injector Pump Gear: 61.0 Nm (45 ft. lbs.)
d. Oil pump Gear: 19.0 Nm (170 in. lbs.)
Fig. 17 – Torque Screws
C
D
A
B