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 c e 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 -
Item
No.
28
29
Interval
Semiannual
Semiannual
C o n t i n u ed
Location
Item to
Procedure
Not Fully Mission
Check/Service
Capable if:
Track Wedge and
Wedge Bolts (Left
and Right Sides)
Check that all wedge bolts are tight-
Loose or missing
ened to 140-160 lb-ft (190-217 Nm).
wedges/bolts.
Centerguides (Left
and Right Sides)
Move vehicle as necessary
access to center guide(s).
to gain
Measure down 1 inch (2.54 cm) from
top of centerguide.
Check that centerguide thickness
measures 5/8 in (1.6 cm) or more.
Replace if less than 5/8 in (1.6 cm).
Check that centerguide nuts are
tightened to at least 300 lb-ft
(407 Nm).
Worn centerguide.
Loose or missing
centerguide nuts.
3-36
Change 6