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.
23
Interval
Location
Item to
Check/Service
Track Support
Rollers (Left and
Right Sides)
C o n t i n u e d
Procedure
Check track support roller seals and
bearings by inspecting inboard side
of track support rollers for grease
spattering along inner rim.
If there is grease spattering on inner
rim, clean all lubricant from behind
the roller, seal, and along roller in-
ner rim, check for space at bottom
side of seal indicating worn or dam-
aged bearings.
If lubricant spattering is found,
track support roller seal is defective.
Replace defective seal (page 14-36).
Check if support roller mounting
screws and grease
aged or missing.
fitting are dam-
Not Fully Mission
Capable if:
Any class III
leak.
Any worn or de-
fective bearings.
3-32
Change 6
