Check-Out 65
4. While observing the pressure gauge, slowly increase the main relief valve setting. The pressure
indicator will increase until the knockout pressure setting is reached and the Main Control Valve
spool returns to neutral.
5. The knockout pressures should be set at 1950 PSI (135 BAR) for the packer panel section and
2150 PSI (148 BAR) for the carrier panel section. If the knockout pressure setting requires
adjustment, it may be changed by turning the knockout pressure adjusting screw, located inside
the bonnet, clockwise to increase the knockout pressure setting or counter-clockwise to decrease
the pressure setting. Once the proper knockout setting has been attained, reinstall the button
plug to seal the Main Control Valve bonnets.
6. Return the main relief valve pressure setting to its specified value as described previously.
Checking Resistance Cartridge Pressure
To check the resistance cartridge pressure, apply the following procedure:
1. Disconnect the hydraulic hose on the piston rod side of the ejection cylinder (marked “EXT”).
OPERATIONAL STATUS
Truck Running PTO Engaged Speed Up On Transmission Neutral
OPERATIONAL STATUS
Truck Off PTO Disengaged
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