C0.5 and C0.7 Industrial Engines Caterpillar

Illustration 1	g06177191
Typical crankshaft for a 3 cylinder engine

(1) Tighten the bolts of the holder for the main bearing to the following torque.

C0.5 and C0.7 ... 23 N·m (16.9 lb ft)

(2) ( 3) Thrust washers

C0.5 and C0.7

Standard thickness ... 21.85 to 21.95 mm (0.8602 to 0.8642 inch)

Service limit ... 21.60 mm (0.8504 inch)

Note: The thrust washer for the C0.5 and C0.7 engines is machined into the holder for the main bearing.

Ensure that the oil grooves of all the thrust washers are toward the crankshaft.

Illustration 2	g00904925
Typical example

(4) Tighten the retaining bolts for the crankshaft to the following torque.

C0.5 and C0.7, ... 27 N·m (19.9 lb ft)

(5) Tighten the allen head screws to the following torque. ... 27 N·m (19.9 lb ft)

Crankshaft end play

C0.5 and C0.7 ... 0.10 to 0.30 mm (0.0040 to 0.0118 inch)

Service limit (All models) ... 0.50 mm (0.0197 inch)

Note: If the crankshaft end play exceeds the service limit, check the thrust washers for wear.

Refer to Specifications, "Connecting Rod Bearing Journal" for information on the connecting rod bearing journals of the crankshaft.

Refer to Specifications, "Main Bearing Journal" for information on the main bearing journals of the crankshaft.