MAC TOOLS MW250 Betriebsanleitung PDF herunterladen (Seite 303)

100

101

TM 5-4310-452-14

5-12. PISTONS AND CONNECTING RODS MAINTENANCE (Con't).

NOTE

Ensure that piston is installed on connecting rod so when installed on crankshaft, the arrow on

crown of piston points to the push rod side of cylinder.

6. Position piston (6) on connecting rod (8). Install piston pin (5) in piston.

7. Install 2 new circlips (4) in piston (6).

d. INSTALLATION

1. Apply a light coat of lubricating oil on face of piston (6) and piston rings (1, 2, and 3). Using ring compressor,

compress piston rings.

2. Position piston (6) and connecting rod (8) in engine block so that the arrow on the crown of piston points to the push

rod side of engine block.

3. Position connecting rod (8) on crankshaft and install 2 new bolts (10) and connecting rod bearing cap (9). Tighten

bolts as required by Appendix F.

FOLLOW-ON TASKS:

• Install cylinder head (see paragraph 5-7).

• Install fuel injectors (see paragraph 5-19).

• Install cowling, duct, guide rail, shield, and plate (see paragraph 4-34).

• Install intake manifold (see paragraph 4-15).

• Install exhaust manifold (see paragraph 4-14).

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

• Connect battery cables (see paragraph 4-57).

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