TM 9-4310-397-14
Table 4-1. Preventive Maintenance Checks and Services for 16MS125 - Continued
Location
Item No.
Interval
Procedure
Not Fully Mission Capable If:
Item to
Check/Service
13 -
d.
If necessary, adjust belt tension as
Cont
follows:
(1) Loosen two alternator bracket
screws (52).
(2) Apply outward pressure to
alternator (53) front frame
until proper tension is
reached.
(3) Tighten two alternator
bracket screws (52).
e.
Close access doors (48).
14
At First 400 Engine,
Service the valves by checking for
Service
Valves
proper valve to rocker arm clearance
Hours
and adjusting if necessary.
(Initial
Break-in)
a.
Open access doors (54).
b.
Carefully pull vent tube elbow
(55) out of valve cover (56).
c.
Remove six hex washer head
screws (57), valve cover (56), and
O-ring (gasket) (58). Discard 0-
ring (gasket).
4-25
