TM 5-3805-291-23-1
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
INCLUDING LUBRICATION INSTRUCTIONS - CONTINUED
0020 00
Table 1. Unit Preventive Maintenance Checks and Services (PMCS)
Including Lubrication Instructions for the 966H - Continued.
LOCATION
ITEM TO
ITEM
MAN-
NOT FULLY MISSION
CHECK/
SERVICE
NO.
INTERVAL HOURS
PROCEDURE
CAPABLE IF:
(b) Green indicates coolant solu-
2,000 Hours 1.0
Cooling Sys-
22
tion offers marginal protec-
(Cont)
or Annual Hour
tem
tion, but is safe to use until
next service inspection.
(c) Yellowish green indicates
coolant solution is unsafe to
use. Drain and refill coolant
system (WP 0041 00).
d. Drain small amount of coolant into
container and check for rust, foreign
particles, and/or sediment. If any con-
tamination is found, drain, flush, and
refill coolant system (WP 0041 00).
a. Drain cooling system until coolant
23
3,000 Hours 1.0
Cooling Sys-
level is below thermostat housing
or Biennial Hour
tem
b. Replace thermostat (WP 0044 00).
c. Refill cooling system with antifreeze
N OT E
24
Triennial
Seat Belt
Seat belt should be replaced within 3 years of date of installation or
within 5 years of date of manufacture, whichever interval comes
first.
A date label determining age of seat belt is attached to seat belt.
Replace seat belt (WP 0141 00).
a. Drain and flush cooling system (WP
25
6,000 Hours 1.5
Cooling Sys-
or Triennial Hour
tem
b. Replace thermostat (WP 0044 00).
c. Refill cooling system with antifreeze
0020 00-16
