TM-9-2320-283-20-1
TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE PART 1 OF 3
DECEMBER 1983
TM-9-2320-283-20-1 - Page 45 of 926
TM 9-2320-283-20-1
PRINCIPLES OF OPERATION.
1-12.
FUEL SYSTEM (Continued).
d.
Ether Quick-Start System.
BATTERY PACK.
Consists of
four, 12-volt,
maintenance free batteries.
Two batteries are wired in parallel in each set.
Each set is connected in series for 24-volt
output.
Battery
pack
is used
for both
12-volt
and 24-volt output.
IGNITION
SWITCH.
Supplies
24-volt
power to
relay (RY-9), which
in turn provides 12-volt power to electrical system,
including ether quick-start system circuit.
RELAY
(RY-9).
Energized
by
24-volt
power
from ignition
switch.
When energized, RY-9 supplies 12-volt power to
circuit breaker (CB-3).
CIRCUIT
BREAKER
(CB-3).
Protects electrical
components
and
wiring
of quick-start system by opening circuit when
load exceeds 20 amperes.
May be manually reset by pressing CB-3 button in.
TA 236763
1-25
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