86 Troubleshooting
Packing Refuse (1)
Operator Action
None. MCV (Main Control Valve) shifts automatically.
Hydraulic Sequence
Fluid flows from the MCV (Main Control Valve) to the case end of the carrier panel cylinders. The
cylinders extend, moving the carrier and packer panels up, packing refuse against the pushout panel.
When the pressure reaches 2150 PSI (148 BAR), the MCV (Main Control Valve) shifts into neutral
and the packing cycle is completed. As the carrier cylinders apply force to compact refuse, the
pressure of the trapped fluid in the packer cylinders will increase. Should this pressure reach 3800 PSI
(262 BAR), a relief valve will open reducing the pressure by allowing some trapped fluid to escape
and return to the hydraulic tank.
completed. As the carrier cylinders apply force to com-
pact refuse, the pressure of the trapped fluid in the
PRESSURE
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MAIN CONTROL
VALVE
HYDRAULIC
FLUID TANK
PUMP
FRONT
CONTROL VALVE
TELESCOPIC
CYLINDER
TAILGATE LIFT
CYLINDER
CARRIER
CYLINDER
PACKER
CYLINDER
CARRIER
CYLINDER
TAILGATE LIFT
CYLINDER
P.O. CHECK
VALVE
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RETURN
TRAPPED FLUID
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