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PLEASE NOTE:
TO OBTAIN AN ACCURATE PRESSURE READING, A 3000 PSI (OR GREATER)
HYDRAULIC PRESSURE GAUGE MUST BE USED. THE CORRECT RELIEF PRES-
SURE IS 2700 PSI. THE RELIEF PRESSURE SHOULD BE SET WITH THE MACHINE
COOL. DO NOT LET THE HYDRAULIC PUMP RUN FOR MORE THAN 5 MINUTES
WHEN SETTING THE RELIEF VALVE PRESSURE. IF YOU ARE UNABLE TO SET THE
PRESSURE WITHIN 5 MINUTES, LET THE FLUID COOL BEFORE RUNNING THE
PUMP AGAIN.
Remove the relief valve acorn nut
and loosen the jam nut a couple of turns.
With the tractor at idle, engage the pump
and shift the control valve lever so that
flow is to port A (pull the lever toward you).
After bringing the tractor engine
speed up to the PTO operating speed of
540 RPM, observe the pressure gauge
reading. Use a 3/16” allen wrench to turn
the adjusting screw (clockwise to increase
and counter-clockwise to decrease) the
correct pressure. Re-tighten the jam nut
and re-check the pressure to ensure
accuracy, then replace the acorn nut.
A seal is provided between the rear of the sifter and the front of the tank to keep litter from
piling up on front of machine.
SEAL
RELIEF VALVE
ADJ. SCREW
Check Seals
Relief Pressure Adjusment
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