PONSSE H73 - Pressure Adjustment: Harvester Head Relief Valve

Service training
000
04052000
7.2
26
1. Disconnect the electric cable from the harvester head.
2. Start the engine and set the constant pressure:
- engage the working brake and constant rpms
- turn on the harvester head main switch
3. Have a helper press the forward feed button (fast feed).
4. Open the locking screw and close the pressure relief valve by
turning adjustment screw 26 clockwise (no oil flow).
5. Turn adjustment screw 26 counterclockwise. As soon as the
sound of oil flowing can be heard, turn the adjustment screw
clockwise until the sound of oil flowing stops.
6. Turn the adjustment screw 26 clockwise one full turn.
7. Lock the adjustment screw and connect the electric cable.
Pressure adjustments
Harvester head pressure relief valve adjustment
THE PRESSURE OF THE BASE MACHINE MUST BE ADJUSTED
BEFORE THE FOLLOWING ADJUSTMENTS ARE MADE.
The measurement connector is on the opposite side of the pressure
reducing valve.
BE EXTREMELY CAREFUL WHEN ADJUSTING THE PRESSURE