TM 5-5420-226-20-1
P r e v e n t i v e M a i n t e n a n ce
44
45
Interval
Semiannual
Semiannual
C h e c k s a n d S e r v i c e s f o r M 4 8 A 5 A V L B H u l l -
Location
Item to
Check/Service
Engine
Compartment
Final Drive (Left
and Right Sides)
C o n t i n u e d
Procedure
Remove powerplant (page 5-2) and
check engine compartment for oil,
grease, sand and dirt.
Clean engine compartment to remove
all oil, grease, sand, and dirt.
Visually check final drive input seal
for leaks by inspecting the area be-
low the final drive adapter for
evidence of oil.
If there are signs of leaks, seal is
defective.
Use 0-600 lb-ft torque wrench, check
that final drive mounting nuts are
tightened to at least 460 lb-ft
(623 N•m).
Do not tighten loose nuts, nuts not
meeting torque requirements are to
be discarded and replaced. Tighten
replaced nuts to 460-500 lb-ft
(623-677 N•m).
If equipped, replace air pressure re-
lief valve (page 12-6).
Not Fully Mission
Capable if:
Any class III
leak.
Change 6
3-71
