TM 5-3825-230-14&P
5-7.
ENGINE TIMING.
This task covers:
a.
Gear Timing
b.
Flywheel Timing
INITIAL SETUP
Tools
Equipment Condition
Tool Kit, General Mechanic's: Automotive
TM or Para
Condition Description
Para 5-12
Rear engine housing
Shop Equipment, Machine Shop; Field
removed.
Maintenance, Basic, Less Power
Para 5-13
No. 1 cylinder head
removed.
a.
Gear Timing.
NOTE
This task is required after engine
crankshaft or camshaft have been
removed from crankcase.
(1)
Turn crankshaft (1) so that No. 1 piston
(on drive end of engine) is at Top Dead
Center (TDC). Piston bumping clearance
must be 0.00275 to 0.0295 in. (0.70 to
0.75 mm) (para 5-8).
(2)
Timing mark (2) on crankshaft gear (3)
should be at 3 o'clock position.
(3)
Position gear (4) to align timing marks (2
and 5). Timing mark (5) should be in 9
o'clock position.
5-11
