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TM 5-4210-233-14&P-1
5-72. APU CYLINDER HEAD - Continued
(6)
Install the intake exhaust manifolds, fuel injector nozzle, glow plug and oil lines. Tighten intake
manifold screws to 13-15 ft Ibs (18-20 N•m). Tighten exhaust manifold nuts evenly to 13-15 Ibs
(18-20 N.m). Torque two fuel injector nozzle mounting screws to 20-21 ft Ibs (27-28 N.m). Torque
the glow plug to 10-15 ft Ibs (14-20 N.m).
(7)
Install the valve stem caps (19).
(8)
Assemble the push rod assembly, including tappet (16), oil seal (15), washers (14), spring (13) and
shield (12). Install the push rods (10) and seals (11). Install the rocker arms (9), rocker arm nuts
(18) and balls (17).
(9)
Set the valve clearance. Intake is .011 in. (.279 mm); exhaust is .008 in. (.203 mm).
(10)
Install the decompression release assembly by installing pin (33), spring (32), arm (31), washer
(30), retaining ring (29) and palnut (28). Adjust the decompression mechanism (see paragraph 5-
73).
(11)
Install the rocker cover (1) and gasket (2) using two screws (3) and washers (4). Torque screws to
8-10 ft Ibs (11-13 N.m). Remove the decompression solenoid, dip plunger O-ring in oil and
reinstall when cover is on engine.
d.
Follow-on Maintenance.
(1)
Install flywheel (see para 5-67).
(2)
Install gear cover (see para 5-68).
(3)
Install governor cup (see para 5-69).
(4)
Install camshaft (see para 5-70).
(5)
Install crankshaft (see para 5-71).
(6)
Install injectors nozzle (see para 5-77).
(7)
Install decompression solenoid (see para 5-73).
(8)
Install APU (see para (4-207).
5-388
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