TM 5-3805-291-23-1
ENGINE TESTS, INSPECTIONS, AND ADJUSTMENTS - CONTINUED
0010 00
FINDING TOP-CENTER POSITION FOR NO. 1 PISTON - CONTINUED
N OT E
No. 1 piston is on compression stroke if valves for No. 1 cylinder are fully closed and valve rocker arms can
be moved by hand. If valve rocker arms cannot be moved by hand and valves are slightly open, No. 1 piston
is on exhaust stroke.
6.
When the actual stroke position is identified and another stroke position is needed, remove timing pin from hole in fly-
wheel. Then turn flywheel 360 degrees counterclockwise and reinstall timing pin into hole in flywheel.
7.
Check stroke position.
8.
Install valve cover on engine (WP 0024 00).
9.
Remove timing pin with timing pin adapter from timing hole.
10.
Install plug (4) in timing hole.
11.
Install cover (2) on flywheel housing (3) with two bolts (1).
0010 00
ENGINE OIL PRESSURE TEST
N OT E
Engine oil pressure may be checked electronically by using the MSD (WP 0005 00).
Measuring Engine Oil Pressure
WAR N I N G
Work carefully around an engine that is running. Engine parts that are hot, or parts that are moving, can
cause personal injury.
CAU T I ON
Keep all parts clean from contaminants. Contamin nts may cause rapid wear and shortened compo-
a
nent life.
Wipe area clean around all connections to be opened during removal. Cap lines and hoses and plug
openings after removing lines. Contamination of system could result in premature failure.
N OT E
Use a container to catch any fluid that may drain from hoses or system. Dispose of fluid IAW local policy
and ordinances. Ensure all spills are cleaned up.
0010 00-3
