TM-9-2330-356-14
SEMITRAILER, TANK: 5000 GALLON, BULK HAUL, SELF LOAD/UNLOAD M967 AND M967A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, AUTOMOTIVE M969 AND M969A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, UNDER/OVERWING AIRCRAFT M970 AND M970A1
TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1990
TM-9-2330-356-14 - Page 388 of 528
TM 9-2330-356-14
f.
Replace governor arm (3, fig. 7-14) by tightening
screw (3, fig. 7-28).
g.
Install blower housing (para 7-60).
7-43. Pistons and Connecting Rods (Fig. 7-27)
a.
Hone cylinder walls. Clean and oil the cylinder
walls. Install each piston in proper cylinder using a
suitable piston ring compressor. Each piston assembly
should be installed with notch on piston toward front of
engine.
b.
Position each connecting rod on crankshaft, oil
the journal, and install rod cap with bearing half. When
installing rod cap, position so raised witness mark on the
forging matches the mark on connecting rod (figs. 7-27
and 7-39). Piston witness mark should face front, and rod
witness marks toward camshaft side of engine.
CRANKSHAFT
TA100111
a.
Figure
7-39.
Connecting Rod Installation.
c.
Tighten capscrews to specified torque (table 7-3).
NOTE
After installation of new connecting rod or
main bearings,
clearances should be
checked using plastic gage.
d.
turn engine over by hand to see that all bearings
are free.
e.
Install oil base (1, fig. 7-27) with a new gasket (2)
using ten screws (3) and lockwashers (4). Tighten to
specified torque (table 7-3).
f.
Install cylinder heads (para 7-44).
7-44. Cylinder Head and Rocker Arms (Fig. 7-25)
a.
Place head assemblies (8, fig. 7-25) and gaskets
(10) on cylinder block (9). Install springs (18), washers (19),
and seals (16) on push rod shields (17), and install
assembled push rod shields in cylinder block. Lift backside
of cylinder head in place. Use an anti-seize compound
(item 5, Appendix E) on head bolt threads, and thread
bolts (4 and 6) and washers (7) into cylinder block (9). Do
not tighten head bolts at this time.
NOTE
Installing exhaust manifold now alines all four
exhaust ports with exhaust manifold before
the heads are torqued down.
b.
Install exhaust manifold (para 7-52). Tighten
mounting screws to 13–15 Ib.-ft. (table 7-3). Now tighten
head bolts to 44-46 lb.-ft. (table 7-3) following sequence in
figure 7-40.
c.
Install the intake manifold (para 4-82).
d.
Install eight push rods (15, fig. 7-25), rocker arms
(3),rocker arm balls (2), and rocker arm nuts (1).
e.
Set valve clearance (para 7-89).
f.
Replace rocker arm cover and gasket (para 7-45).
g.
Install fuel injectors (para 7-46).
h.
Install the two baffles (34, fig. 7-9), and secure
with capscrew (32) and washer (33).
i.
Install engine shrouding (para 7-60).
7-45. Rocker Arm Covers (Fig. 7-24)
Place gasket (4, fig. 7-24) in position on each
cylinder head.
b.
Install each rocker arm cover (3) to cylinder head
and secure with four screws (1) and lockwashers (2).
Tighten screws to 8-10 Ib.-ft.
c.
Replace shrouding previously removed
(para 7-60).
7-46.
Fuel Injectors (Fig. 7-23)
a.
Ensure that old gasket material has been
removed from injector (4, fig. 7-23).
b.
Assemble new nozzle gasket (5) adapter (6),
gasket (7), and heat shield (8) on injector (4) and press
together.
c.
Install gasket (9) and injector and assembled parts
into cylinder head (10).
7-32
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