TM 5-4310-354-14
reservoir in which the strainer can be immersed and a
arrows are the same when timing to cylinder
pressure gauge to record pump output pressure. Fill the
number one or four at top dead center. Secure
reservoir with clean engine oil (figure 3-1) heated to
the oil pump assembly to cylinder block
temperature of 170F (77C), immerse strainer, run oil
attaching pad with two lockwashers (2) and cap
pump at 250 rpm and observe output pressure.
screws (1). Tighten cap screws (1) to 25 ft-lb
Minimum acceptable pressure is 10 psi.
(3.46 kg-m).
e. Installation.
(2) Refer to figure 7-45 and check position of oil
relief hole.
Add shims (5, figure 7-43) as
(1) When installing the oil pump assembly into the
necessary to achieve proper alignment.
cylinder block, make certain that the arrow on
the top side of the oil pump drive gear (7, figure
(3) Install overspeed switch drive and tachometer
drive as shown in figure 7-42.
cylinder block attaching pad. The position of the
(4) Install the oil pan (para 7-15. c.).
Section VIII. FLYWHEEL AND BELLHOUSING
7-17. General. The flywheel is attached to the rear end
(1) Remove the engine from unit (para 5-12. a. and
of the crankshaft and is marked with a line and letters
DC (dead center) for engine timing. From this DC line
are also marked graduations designating degrees of
(2) Remove the starting motor assembly (figure
crankshaft travel.
These timing marks are visible
through an opening in the bellhousing. A ring gear is
pressed onto the flywheel. The ring gear is engaged by
CAUTION
the starting motor pinion when cranking the engine. The
bellhousing is mounted against the rear of the engine
When removing and installing the
block and provides a cover for the flywheel.
The
flywheel, use a suitable lifting device
bellhousing also serves as a support for the starting
and lifting tool, as the flywheel is
motor assembly and mounting of the air compressor
heavy.
assembly. The air compressor assembly is driven by a
direct-drive type coupling that engages with the flywheel.
(3) Remove the cap screws (1) that secure the
The bellhousing also serves as the rear engine support.
flywheel (2) to the crankshaft. Using a prybar,
remove the flywheel from the crankshaft (figure
7-18. Flywheel and Bellhousing.
a. Removal and Disassembly.
7-51
