TM-5-4210-249-13-P-2

TACTICAL FIRE FIGHTING TRUCK (TFF) MODEL M1142

TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL WITH REPAIR PARTS AND SPECIAL TOOLS LIST (INCLUDING DEPOT REPAIR PARTS AND SPECIAL TOOLS); PART 2 OF 4

TM-5-4210-249-13-P-2 - Page 903 of 1452

TM 5-4210-249-13&P-2

0196-3

DRAFT

0196

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NOTE

•

Inlet and exhaust valve clearances are adjusted the same way.

•

Use a 0.012 in. (0.3 mm) feeler gauge to adjust inlet valve clearance.

•

Use a 0.02 in. (0.5 mm) feeler gauge to adjust exhaust valve clearance.

•

Repeat Steps (2) through (5) for each valve to be adjusted.

2.

Hold screw (5) stationary with screwdriver, and loosen locknut (6).

3.

Insert feeler gauge between valve stem (7) and rocker arm (8) to check clearance.

4.

Turn screw (5) to adjust valve clearance until slight drag is felt on feeler gauge.

5.

Hold screw (5) stationary with screwdriver, and tighten locknut (6) to 13 to 16 lb-ft (18 to 22 N•m).

TFFT03971