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 3500 ENGINE
SPECIFICATIONS
2REAR GEAR GROUP
(1)
Camshaft drive gears.
e.
Hit the face of plate (2) or drive gear (6),
(2)
Plate.
then tighten the bolts to a torque
(3)
Camshaft idler gears
of
100 + 15 N-m (75 + 11 lb. ft.)
(4)
Diameter of shafts
f.
Again hit the face of plate (2) or drive gear
(new) 74.900 + 0 015 mm (2.9488 + .0006 in.)
(6) and again tighten the bolts to a
+
15 N-m
Bore in bearings (after
torque of ............................ 100
+
(75 11 lb. ft.)
assembly) ..................................75.000+0.055
mm (2.9528 + .0022 in.)
NOTE: If necessary, repeat Step 7f until the bolts hold
(5)
Cluster idler gear (balancer gear).
(6)
Gear for hydramechanical protective system
are in full contact with the taper on the camshafts.
drive.
(8)
Diameter of shaft
(7)
Bolts. tighten the bolts as follows:
74.900 + 0 015 mm (2.9488 + .0006
(new)
a. Put camshaft drive gears (1) in position on
in.)
the camshafts.
Bore in bearing (after
b. Use hand pressure to turn and hold
assembly) .................................. 75.000 + 0 053
camshaft drive gears
mm (2.9528 + .0021 in.)
(1) in their normal direction of rotation.
Bearing joint must be in center of heavy section
This removes all gear clearance
in gear at assembly.
(backlash) between camshaft drive
(9)
Balancer gear marks must be in alignment with
gears (1) and camshaft idler gears (3).
crankshaft gear marks as shown for SAE
c. Install plate (2) (on left side of engine)
standard rotation engines
and/or drive gear (6) (on right side of
(10)
Crankshaft gear.
engine) to hold camshaft drive gears (1) to
(11)
Balancer gear marks must be in alignment with
each camshaft.
crankshaft gear marks as shown for SAE
d. Tighten bolts (7) in steps to a torque
opposite rotation engines
of
100 + 15 N-m (75 + 11 lb. ft.)
NOTE: FOR TORQUE VALUES NOT GIVEN, SEE THE FIRST45
PAGE OF SPECIFICATIONS FOR GENERAL TIGHTENING TORQUES
45
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