TM-9-2320-285-10
TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1
TECHNICAL MANUAL; OPERATOR’S MANUAL
JUNE 1985
TM-9-2320-285-10 - Page 18 of 121
TM 9-2320-285-10
1-17.
FUEL SYSTEM (Continued)
Engine Stop Button - Stops flow of fuel to engine stopping engine operation.
Push in to stop fuel flow to engine; release
when engine stops.
WARNING
Do not stop engine with transmission in reverse or tractor will be inoperable.
Ether Switch - Injects volatile ether into engine air intake manifold for cold weather starting.
WARNING
Do not use ether switch without cranking engine.
Over-charge of ether can cause explosion of engine air
intake system.
LOW FUEL INDICATOR - Lights red when amount of fuel in fuel tank is too low for operation on 30 degree grades or side
slopes of 10 percent.
1-18.
EXHAUST SYSTEM
Muffler - Quiets engine noise.
Personnel protected from muffler by cage around outside of muffler.
Perforations in cage
allow heat to escape.
Exhaust Stack - Routes exhaust fumes and gases away from operator’s cab; hinged for reduction in overall height of
tractor.
Rain Cap - Protects exhaust system against water entry.
1-13
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