Massey Ferguson P480 Gyro (Selector) Valve

• 3 Way Hydraulic Selector Valve for Massey Ferguson Tractors
• This Valve is assembled directly on lift cover
• Working ports: G 3/8 "
• Lever position 1: External Application No 1
• Neutral position : Oil  supply to 3 point
• Lever position 2: External application No 2

Fitting instructions of P480

• Remove the 2 bolts securing the cap on the hydraulic lift cover. Remove cap and detach from standpipe.  Ensure that the standpipe is not dislodged from its seat in the hydraulic pump
• Fit the standpipe into the inlet port of Gyro valve (P480)
• Fit the selector valve to the lift cover, ensuring that the standpipe is correctly located into its seat on the hydraulic pump.
• Secure the gyro valve to the lift cover.

Operating instructions of P480

 The valve will operate in the following manner when one of the 3 positions selected:       

• Lever position 1 : LP1 (working port = A)      
• Neutral position : NP (vertical)       
• Lever position 2 : LP2 (working port = B) 

Neutral position (vertical)

        With the lever in neutral/vertical position, the tractor lower links (3-point) are operated in the normal way.       

        Note: LP1 and LP2  are isolated

Lever position 1 = LP1

When LP1 selected, the oil flow from the internal hydraulic pump is diverted to Port B.

Lower links (3-point) and Port A isolated

Lever position 2 = LP2

When LP2 selected, the oil flow from the internal hydraulic pump is diverted to Port A.

Lower links (3-point) and Port B isolated