C7.1 Engines for Caterpillar Built Machines Caterpillar

Crankshaft

Usage:

525D 2L5

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Illustration 1	g01862538
Typical example (1) Crankshaft gear (2) Crankshaft (3) Crankshaft thrust washers

Maximum permissible temperature of the gear for installation on the crankshaft ... 180 °C (356 °F)

The end play of a new crankshaft ... 0.1 to 0.41 mm (0.00394 to 0.01614 inch)

Standard thickness of thrust washer ... 2.69 to 2.75 mm (0.1059 to 0.1083 inch)

Oversize thickness of thrust washer ... 2.89 to 2.95 mm (0.1138 to 0.1161 inch)

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Illustration 2	g01869273
(4) Journal 1 (5) Journal 2 (6) Journal 3 (7) Journal 4 (8) Journal 5 (9) Journal 6 (10) Journal 7

Refer to Table 1 for the run out of the crankshaft journals.

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Table 1
Journal	Run Out of the Journals
(1)	Mounting
(2)	0.05 mm (0.0020 inch)
(3)	0.1 mm (0.0039 inch)
(4)	0.15 mm (0.0059 inch)
(5)	0.1 mm (0.0039 inch)
(6)	0.05 mm (0.0020 inch)
(7)	Mounting

Inspect the crankshaft for wear or for damage. For more information regarding the servicing of the crankshaft, contact the Dealer Solution Network (DSN).

Refer to Specifications, "Connecting Rod Bearing Journal" for more information on the connecting rod bearing journals and connecting rod bearings.

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