ENGINE TIMING (Cont) - TM-55-1905-220-14-50537

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ENGINE TIMING (Cont)

TM-55-1905-220-14-5 Landing Craft Utility LCU 1671-1679 NSN 1905-01-009-1056 Manual

IDLER GEAR AND BEARING ASSEMBLY - MAINTENANCE INSTRUCTIONS (Cont)

TM 55-1905-220-14-5

3-91.2. ENGINE TIMING (Cont).

(18) Note the reading on the dial indicator and compare it with the chart.

After completing the timing check, remove the dial indicator. Remove the shipping caps from the

injector, and install the injector fuel lines, making sure that they are tightened to prevent any leaks.

*INDICATOR READING

Retarded

Advanced

Standard

1-tooth

1-Tooth

STANDARD TIMING

.230" (.584 cm)

.197" (.500 cm)

.262" (.665 cm)

ADVANCED TIMING

.262" (.665 cm)

.230" (.584 cm)

.289" (.734 cm)

Indicator readings shown are nominal values. The allowable tolerance is .005 in. (.013 cm). Remove the

pointer attached to the front of the engine.

(19) Adjust the exhaust valves and time the injectors as outlined in paragraph 3-87.

(20) Install the valve rocker cover.

3-1552