SAME SILVER 100.6

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Crankshaft removal procedure

— Remove engine from tractor and install on no. 5.9030.002.0

traveling stand for transfer on no. 5.9030.491.4 swivel bench.

— Remove the oil pan and the oil pump suction rose.

— After detaching the pulley belt take the pulley from the cranks-

haft along with the pulley hub.

— Dismount engine front case, rear flywheel, engine-to-gearbox

connecting flange and sealing ring holding flange.

(In 4-cylinder engines also the counterweight assembly is to

be removed).

— Remove big end caps and related bronze bushings.

— Remove main bearing caps and related bronze bushings.

— Remove the crankshaft and take the upper bronze bushings.

Installing the oil pump driving gear

SILVER 100.6

Heat gear A in a furnace to such a temperature that a difference

in temperature of 100 °C between gear and shaft B is established.

Apply some LOCTITE 648 on the whole contact surface between

crankshaft and the oil pump driving gear.

Mount gear A on shaft B as shown in figure until a 0.2 to 0.5 mm

reading from crankshaft shouldering face is obtained.

After, with cold shaft, remove the tailings of LOCTITE on the

crankshaft.

Ensure the oscillation error on diameter Ø 116 (concerning the

gear) be restricted within 0.1 mm.

Fig. 48 - Oil pump driving gear -

SILVER 100.6.

engine

crankshaft

Fig. 47 - Rear flange cross-section.

A - SILVER 80 - 90 - 100.4

B - SILVER 100.6

SAME SILVER 100.6 - Page 42