TM-9-6920-430-14
COOLANT RECHARGING UNIT, TRAINING GUIDED MISSILE SYSTEM M80 AND CHARGER, BATTERY PP-7309/T
TECHNICAL MANUAL; OPERATOR’S AND ORGANIZATIONAL DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL
AUGUST 1980
TM-9-6920-430-14 - Page 59 of 180
The receptacles
These numbers
battery charger.
TM 9-6920-430-14
NOTE
on the carrying case are identified as BATTERY 1, 2, 3, 4, and 5.
correspond to the five CHARGE/OFF/TEST switches (10) on the
NOTE
If all the CHARGE lamps do not illuminate, determine ambient temperature. If
below 50 °F, allow sufficient time (up to 2 hours) for the heater blankets to warm the
batteries in the carrying case.
(3) Set the appropriate CHARGE/OFF/TEST switches (10) to the CHARGE position.
Observe that the corresponding CHARGE lamps (8) illuminate. If a lamp does not illuminate, be
sure that the associated battery is properly seated in the battery compartment.
NOTE
If charging of batteries exceeds 16 hours, no damage will result.
(4) At the end of 16 hours of charge, set all CHARGE/OFF/TEST switches ( 10) to the
OFF position.
Observe that the corresponding CHARGE lamps extinguish. Do not remove
batteries before performing the Operational Check.
c.
Operational
Check.
(1) Press and hold the appropriate CHARGE/OFFITEST switch (10) to the TEST posi-
tion. Observe that the TEST lamp (9) illuminates. If the TEST lamp (9) does not illuminate, the
associated battery is defective and is disposed of through normal supply channels.
(2) Release the switch and observe that the TEST lamp extinguishes.
(3) Repeat steps (1) and (2) above to check each of the remaining batteries in the carrying
case.
(4) Set the POWER ON/ OFF switch (6) to the OFF position and remove the power cable
from the power source.
d. Post Operating Instructions.
Disconnect the power cable and battery charging cable and
place them in the compartment of the battery charger lid. Close and latch lid of battery charger.
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