Labrie MINIMAX Maintenance Manual page 130

122 Troubleshooting
Problem
Pump is leaking oil
Packer moves irregularly or
sideways
Tailgate is unlocking or
lowering by itself
Packer does not complete a
full cycle
Packer does not start at all
when pressing the green
button
Possible causes
Hydraulic pressure not properly
adjusted
Faulty hydraulic line
Stuck hydraulic spool inside
valve
Loose connections
Pump is damaged
Worn out packer wear plates
Dirty or defective velocity fuse
Inverted hydraulic hoses on
main hydraulic valve
Body is full
Garbage behind the packer
Misaligned packer proximity/
limit switches, or presence of
debris
switch is off
PTO
Red emergency S button is
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engaged
Solution
Properly adjust pressure. See
Adjusting Hydraulic Pressure on
page 83.
Perform a circuit analysis using the
main hydraulic schematics (see
Main Hydraulic Schematic on
page 99).
Make sure that no spool inside the
body control valve is stuck in a
position that could redirect the
hydraulic flow to the tank.
Tighten all connections to the
pump.
Have the pump repaired by an
authorized service center.
Replace wear plates as indicated in
Replacing Packer Wear Plates on
page 31.
Clean or replace the velocity fuse.
See Tailgate Locking Mechanism on
page 125.
Test the power bleed on the tailgate
section of the valve. See Tailgate
Locking Mechanism on page 125.
Empty the body as explained in the
M ™ Operator's manual.
INIMAX
Clean behind the packer. Refer to
the Daily Hopper Cleaning section
of the M ™ Operator's
INIMAX
manual.
Clean the area around proximity/
limit switches, or readjust switches
(see Proximity and Limit Switches on
page 36).
Make sure the switch is turned
PTO
on.
Make sure all red emergency S
buttons are pulled out.
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