TM 5-3805-255-14
0018
Table 1. Field PMCS for the H100C Loader - (Continued).
LOCATION
ITEM TO
CHECK/
NOT FULLY MISSION
CAPABLE IF:
SERVICE
ITEM NO. INTERVAL
PROCEDURE
Annually
Engine Valve
d. Rotate camshaft one full revolution
23
Clearance
so No. 6 cylinder is at TDC
(Cont.)
Adjustments
(compression). In this position, adjust
intake valve bridges and valves for
valve bridges and valves for cylinders
2, 4, and 6 in same manner described
in steps b and c.
e. Install new gaskets and valve
covers.
Initial 100
Engine Cylinder
After initial 100 hours of new cylinder Broken bolts, cylinder head
24
head operation, torque cylinder head gasket leaking.
Hours
Head
nuts in sequence shown (Figure 19).
With engine at operating temperature,
loosen one nut at a time (1/4 turn) and
torque in rows as shown to 300 lb-ft
(407 Nm) except for nut #25, which is
to be torqued to 420 lb-ft (543 Nm).
Figure 19. Engine Cylinder Head Torquing Sequence.
0018
0018-33