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 80 of 926
TM 9-2320-283-20-1
PRINCIPLES OF OPERATION.
1-16.
TRANSMISSION (Continued).
SPEEDOMETER GEAR AND CABLE.
Provides engine speed input to tachograph.
DIPSTICK AND OIL FILL PORT.
Used to inspect and replenish oil supply.
TRANSMISSION MODULATOR CONTROL.
Receives mechanical signal from throttle lever and fuel pump.
This signal
determines transmission gear range setting.
DRAIN PLUG.
Provides access for draining oil.
Has magnetic base to attract foreign particles in oil, an early warning of
unusual wear of internal parts.
TRANSMISSION SHIFT CONTROL LEVER.
Receives mechanical signal from shifter cable and internally sets
transmission gear range.
TRANSMISSION TO
OIL FILTER
HOSE(S).
Carry oil between transmission and external oil filter.
EXTERNAL OIL FILTER.
Spin-on type element used to remove dirt
and foreign particles from transmission oil.
COOLER SUPPLY HOSE.
Carries hot oil from transmission to cooler.
COOLER RETURN HOSE.
Carries cooled oil from cooler back to transmission.
TRANSMISSION OIL COOLER.
Receives hot oil from the transmission through the supply hose, circulates the oil through
air cooled fins, and sends cooled oil back to transmission through return hose.
TRANSMISSION
SHIFTER CONTROL
LEVER.
Allows operator to select desired transmission gear range.
(Refer to TM
9-2320-283-10).
TRANSMISSION SHIFTER CONTROL TOWER.
Floor mounted.
Used to house transmission range shifter control.
TRANSMISSION SHIFTER CABLE.
Mechanically transmits signal from transmission shifter control tower to transmission
range selector lever.
BREATHER.
Prevents air pressure build-up in case.
1-60
Back to Top
