MAC TOOLS MW250 Instrucciones de operaciones descargar pdf (Pagina 298)

100

101

TM 5-4310-452-14

5-10. CRANKSHAFT REPLACEMENT (Con't).

NOTE

• Ensure that bushing dowels are

installed.

• Ensure that ID numbers of caps

match those stamped in

crankcase.

3. Install crankshaft bearing caps (7) and main bearing

halves (2 and 5) on crankshaft (6).

4. Install thrust bearing halves (1 and 3) in place on

rear main journal.

5. Position crankshaft (6) in place.

6. Install 4 bolts (9) and washers (10) in main bearing

caps (7). Tighten bolts (9) as specified in Appendix

7. Remove bolts (9), washers (10), and 2 crankshaft

bearing caps (7). Remove crankshaft (6), thrust

bearing halves (1 and 3), main bearing halves (2

and 5), and plastigage.

8. Check thickness of plastigage with micrometer.

Thickness should be between 0.0019-0.0043 in.

(0.05-0.11 mm).

9. Repeat steps 2 through 6, then continue with step

10.

10. Install connecting rod bearing caps and bearing

sleeves (see paragraph 5-12).

FOLLOW-ON TASKS:

• Install oil pump (see paragraph 5-17).

• Install oil pan (see paragraph 5-16).

• Install vibration damper and V-belt pulley

(see paragraph 5-9).

TA505572

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MAC TOOLS MW250 Instrucciones de operaciones Pagina 298

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