C1.5 and C2.2 Engines for Caterpillar Built Machines Caterpillar

Illustration 1	g01113243
Typical crankshaft for a three cylinder engine

Illustration 2	g00904902
Typical crankshaft for a four cylinder engine

(1) Tighten the bolts of the holder for the main bearing to the following torque. ... 52 N·m (38 lb ft)

(2) Thrust washers

C1.5 and C2.2 engines

Standard thickness ... 2.95 to 3.00 mm (0.1161 to 0.1181 inch)

Service limit ... 2.80 mm (0.1102 inch)

(3) Top thrust washer

Note: The top thrust washer (3) is used only on the C2.2 engines.

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

Illustration 3	g00904925
Typical example

(4) Tighten the retaining bolts for the crankshaft to the following torque. ... 52 N·m (38.3 lb ft)

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

Crankshaft end play

C1.5, and C2.2 engines ... 0.10 to 0.30 mm (0.0040 to 0.0118 inch)

Service limit ... 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.