TM 5-2420-230-24-1
Table 3-1. Unit Level Preventive Maintenance Checks and Services (PMCS) for IHMEE. -- Continued
Item to be
Item
Checked or
Not Fully Mission
No.
Interval
Serviced
Procedure
Capable If:
11
Semiannual
Air System
NOTE
In areas where it is common for the
temperature to vary by approximately
30 F (17 C), small amounts of water can
accumulate in the air system due to
condensation. The presence of small
amounts of condensation is normal.
a. Drain air tanks (Para 15-4). If any moisture Moisture is milky, blue, or
is forced out, inspect air dryer and replace green.
air dryer desiccant (Para 15-12). If
moisture is milky, blue, or green, serious
internal malfunctions are indicated.
Loose mounting, bends,
b. Inspect eight air tank reservoirs, attaching
dents, cracks, loose air
valves, lines, and connections for loose
lines, or air leaks are
mountings, bends, dents, and cracks that
evident.
could cause leaks.
12
Semiannual
Differential and Hub
Oil
Excessive metal shavings
Drain and fill front and rear differential oil
are evident.
(Para 14-4) and check for metal shavings.
Excessive grease is
13
Semiannual
Axles
Check upper and lower axle ball joints for
excessive grease. Excessive grease indicates evident.
worn or damaged seal.
3-11