Lift and Float System

SymptomProblemSolution

Platform Does Not Follow Ground Contour

Platform float hydraulic pressure too high

Adjust float pressure. (See Adjusting Platform Float in Operating the Windrow section.)

 

Faulty platform float or platform run power relay

Replace power relay. (See your John Deere dealer.)

 

Accumulator gas precharge pressure too low or high

See your John Deere dealer.

Platform Digs Into Ground and Pushes Hard

Guards digging into ground

Adjust guard angle. (See ADJUSTING PLATFORM GUARD ANGLE in Operating Windrower section.)

 

Platform float hydraulic pressure too low

Adjust float pressure. (See ADJUSTING PLATFORM FLOAT in Operating Windrower section.)

 

Accumulator gas precharge pressure too high or low

See your John Deere dealer.

 

Platform float hydraulic pressure release valve open.

Close valve on valve block.

Platform Drops Too Fast Or Does Not Lower Smoothly

Platform float set too heavy

Adjust platform float. (See Adjusting Platform Float in Operating Windrower section.)

 

Accumulator gas precharge pressure too high or low

See your John Deere dealer.

Platform Will Not Lift Or Lifts Too Slow

Binding lift linkage

Replace bent or worn parts.

 

Platform float set too heavy

Adjust platform float. (See Adjusting Platform Float in Operating Windrower section.)

 

Worn auxiliary pump

See your John Deere dealer.

 

Low relief valve setting

See your John Deere dealer.

 

Platform full of dirt

Clean platform.

 

Malfunctioning priority valve

See your John Deere dealer.

 

Faulty switch or relay

Replace switch or relay.

 

Faulty solenoid or valve cartridge

Replace solenoid or valve cartridge.

RC48509,00005C0-19-20120815