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Multi Pro 5700--D Hydraulic SystemPage 4 -- 15
Machine travels too far before stop-
ping when the traction pedal is re-
leased.
Traction linkage is binding or out of adjustment.
Piston pump manual servo control assembly is damaged.
Traction pedal does not return to neutral.
Traction power is lost or unit will not
operate in either direction.
Brakes are engaged or sticking.
Traction control linkage is damaged or disconnected.
Hydraulic reservoir oil level is low.
Piston pump by--pass valve is open or damaged.
Charge pressure is low.
Traction circuit pressure is low.
Rear wheel motor couplers are damaged.
Steering inoperative or sluggish Engine speed is too low.
Steering cylinder is binding.
Reservoir oil level is low.
Check valve in steering control valve is sticking, worn or damaged.
Steering relief valve is stuck open.
Steering control valve is worn or damaged.
Steering cylinder leaks internally.
Priority valve in gear pump is sticking, worn or damaged.
Gear pump is worn or damaged.
Turning steering wheel turns ma-
chine in the wrong direction.
Hoses to the steering cylinder are reversed.
Steering cylinder has internal leak.
Spray pump hydraulic motor does
not rotate.
PWM Valve solenoid valve is sticking or damaged.
PWM Valve solenoid or circuit wiring has electrical problem (see
Chapter 5 -- Electrical System).
Priority valve in gear pump is sticking or damaged.
Spray pump hydraulic motor is worn or damaged.
Hydraulic
System