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 TM 9-2330-326-14&P
Table 4-1. Unit PMCS (Cont.)
ITEM
INTERVAL
ITEM TO
EQUIPMENT NOT
NO.
M
S
AT
MI
CHECK/
PROCEDURE
READY/
SERVICE
AVAILABLE IF:
20
M
S
A
T
MI
Brake Drums
Check drums for cracking, heat discoloration,
Drum is cracked,
Every
grooving, elongated bolt holes, out-of-round or
severely over-
? 36,000
worn beyond re-bore limit on drum. Notify
heated, has
Direct Support maintenance concerning
elongated holes, or
wear, re-boring and out-of-round conditions.
is out -of-round.
21
M
S
A
T
MI
ABS
CAUTION
Every
Sensors
? 36,000
Tap sensor to tone ring using a wood rod
only. A metal rod will damage
components.
Check that sensor pick-ups are lightly
touching tone ring, or have a gap of no more
than 0.040 in. (1.02 mm) between the tone
ring and pick-up end.
22
M
S
A
T
MI
Brake
a.
Check brake lining thickness, springs,
Linings are worn to
Every
Systems
anchor pins, bushings, and rollers for
limit. Springs,
? 36,000
damage and wear.
anchor pins,
bushings, and
rollers are
damaged or worn.
WARNING
Do not allow brake lining to wear to the
point that the rivets touch the drum. This
condition can cause brake failure, injury
to personnel and damage to the
equipment.
CAUTION
To ensure a balanced breaking system,
both brake assemblies on an axle end
should have like repairs accomplished at
the same time.
b.
See Appendix C for lubrication points.
4-12
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