Leach 2R-III, Maintenance Manual

Page: 93 / 168

Troubleshooting 83
Packer Panel Sweeps Back Over Load
Operator Action
The operator moves the control levers inward to start the compaction cycle.
Hydraulic Sequence
Operator action causes the MCV (Main Control Valve) to shift, diverting flow to the rod end of the
packer panel cylinders. The packer panel cylinders retract causing the packer panel to sweep rearward
over the load. Return
fluid flow from the cylinder is back to tank.
MAIN CONTROL
VALVE
HYDRAULIC
F
LUID TANK
PUMP
F
RONT
CONTROL VALVE
TELESCOPIC
CYLINDER
TAILGATE LI
F
T
CYLINDER
CARRIER
CYLINDER
PACKER
CYLINDER
CARRIER
CYLINDER
TAILGATE LI
F
T
CYLINDER
P
.
O
.
CHECK
VALVE
PRESSURE
○ ○ ○ ○
RETURN
○
○
○
○○○○○
○○○○○○○○○○○○○○○
○ ○
○ ○
○ ○
○ ○
○○○
○○○
○
○
○
○
○ ○ ○
○ ○
○ ○
○ ○
○ ○
○ ○
○ ○
○ ○
○ ○○○○○
○○○○○○○○○
○
○
○
○
○○○○○○○○○ ○
○
○
○
○
○○○○
○
○
○
○