2-M4
F2880, F3680, RCK72-F36, RCK72R-F36, RCK60-F36, RCK60R-F36, WSM
TRANSMISSION
(3) Operation
â– Neutral
Engine revolution rotates the pump shaft (13) via the universal joint.
When the speed control pedal is in neutral, the swashplate (14) is at right angles to the pump piston and they only
rotate with pump cylinder block (15) without reciprocating.
Since the oil is not being pumped to the motor, the cylinder block (7) in the motor is stationary and the motor shaft
(8) does not rotate.
(1) Oil Cooler
(2) PTO Charge Relief Valve
(3) Oil Filter Cartridge
(4) Check and High Pressure
Relief Valve (Forward)
(5) Check and High Pressure
Relief Valve (Reverse)
(6) Charge Relief Valve
(7) Cylinder Block (Motor)
(8) Motor Shaft
(9) Piston
(10) Hydraulic Pump
(11) Power Steering Controller
(12) Flow Priority Valve
(13) Pump Shaft
(14) Swashplate
(15) Cylinder Block (Pump)
(16) Oil Strainer
(17) Transmission Case
(18) Implement Control Valve
A : Port A
B : Port B
C : Port C
D : Port D
a : High Pressure
b : Low Pressure
c : Charge Pressure
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