TM 11-6140-203-14-3
resistance indicates that the battery blanket is defective and should be replaced. As a guide the following
specifications are provided:
a.
General Electric Battery Blanket
(1) Resistance. 4. 4- to 4. 8-ohms.
(2) Power Consumption. 175 watts plus or minus 9 watts at 29 volts dc.
b.
Marathon (Sonotone) Battery Blanket
(1) Resistance. Center heater element, 3. 5- to 3. 6-ohms; outer heater element 8. 0- to 8. 1-
ohms.
(2) Power Consumption. Center heater element, 107 watts at 29 volts dc; outer heater element,
253 watts at 29 volts dc. Testing of the heater blankets through the connector (J3) can only be done if the
battery has been cooled below the temperature at which the control thermostats close.
5-15
