TM 5-3825-230-14&P
5-7.
ENGINE TIMING (CONT).
b.
Flywheel Timing.
(1)
Refer to para 5-12 and install rear engine housing.
(2)
Refer to para 5-17 and install flywheel.
NOTE
This step is normally done as part of troubleshooting or valve adjustment (para 5-25).
(3)
Piston (1) in No. 1 cylinder (2) should be at TDC. No. 1 cylinder is cylinder on drive side of engine. Top of
piston must be between 0. to 0.0295 in. (0.70 to 0.75 mm) from top of head gasket. This clearance is
called bumping clearance.
(4)
Align flywheel timing mark (3) with timing mark (4) on rear engine housing.
NOTE
Follow-on maintenance:
•
Install No. 1 cylinder head (para 5-13)
•
Install rear engine housing (para 5-12)
•
Check injection pump timing (para 5-32)
5-12
