TM 5-3895-379-23
THEORY OF OPERATION - CONTINUED
0003 00
PROPEL SYSTEM - CONTINUED
12.
Propel Gearbox. The propel gearboxes are attached to the drums. The propel motors turn the gearboxes which turn the
drums. There is a brake inside the gearbox that is always engaged until hydraulic pressure from the brake/shift valves is
present.
PROPEL
FRONT
PROPEL
GEAR-
MOTOR
BOX
PROPEL
CONTROL VALVE
PARKING BRAKE
SWITCH
BRAKE & NEUTRAL
START SWITCH
BRAKE/
STEERING
SHIFT
PUMP
MANIFOLD
HYD
PROPEL
VIBRATORY
OIL
HYDRAULIC
HYDRAULIC
FILTER
PUMP
HYDRAULIC
PUMP
OIL COOLER
COOLING
VALVE
HYDRAULIC
OIL
TANK
PROPEL
REAR
MANUAL
PROPEL
GEAR-
BRAKE
MOTOR
BOX
RELEASE
PUMP
401-148
0003 00-13
