TM 5-4310-386-14
Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS).
W - Weekly
M - Monthly
S - Semiannually
H - Hourly
Interval
Item
No.
W
M
S
H
Item to be Inspected
Procedures
8
*
Purification cartridges
Inspect cartridges for cracks, loose, damaged,
or missing parts. Notify your supervisor for
cartridge replacement.
Temperature
Hours Between
Temperature
Hours Between
F°/C°
Replacement
F°/C°
Replacement
122/49
15
68/20
75
115/46
19
65/18
86
110/43
22
60/15
104
105/40
24
55/13
117
100/37
29
50/10
135
95/35
32
45/7
172
80/32
38
40/4
201
75/24
60
35/2
234
70/21
73
32/0
285
* Refer to table above for hours of operation between purification cartridge
replacement. Identify the closest temperature to the temperature at which the
equipment has been operated in and compare the hours of operation against the
value in the table. Take in consideration all hours the equipment was operated
above or below that temperature.
9
Compressor drive belt
Inspect drive belt for wear, fraying, peeling,
cracking, and tension. Replace and adjust belt as
needed (para. 4-25).
10
Engine
Inspect
Inspect for cracks, loose, damaged, or missing
parts.
250 Service
Service engine. Refer to para. 4-29.
4-14
