TRANSMISSION
L3301, L3901, L4701, WSM
3-M21
(3) Operation
[A] L3301/L3901
When the HST pedal is in the neutral position
When the speed control pedal is in neutral, the variable swash-plate is at right angles to the pump piston and they
only rotate with cylinder block without reciprocating. Since the oil is not being pumped to the motor, the cylinder block
in the motor is stationary and the output shaft does not move.
9Y1211012TRM0022US0
(1) Oil Cooler
(2) Oil Filter (HST)
(3) Swash plate
(4) Cylinder Block (Motor)
(5) Piston
(6) Cylinder Block (Pump)
(7) Charge Relief Valve
(8) Check and High Pressure
Relief Valve (Forward)
(9) Check and High Pressure
Relief Valve (Reverse)
(10) Case Relief Valve
(11) Transmission Case
(12) Oil Filter
(13) Hydraulic Control Valve
(14) Hydraulic Pump
(Main Circuit)
(15) Hydraulic Pump
(Power Steering)
(16) Power Steering Controller
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