OPTIMIZER
TM
58
TAILGATE HYDRAULIC
TROUBLESHOOTING
1. Apply all safety measures to ensure
safety around the vehicle at all
times.
2. Ensure that the parking brake is
applied.
3. Pull out the Emergency Stop Button.
4. Install a pressure gauge on each
port of the tailgate section on the
valve,
as shown on figures # 3.3, 3.4
and 3.5.
5. Start the engine and engage the
hydraulic pump.
6. Lift the forks completely to
pressurize the system.
3.3 TAILGATE LOCKING
MECHANISM
TROUBLESHOOTING (cont’d)
Problem #1:
Tailgate is UNLOCKING by itself
If the tailgate seems to unlock by itself when
using the packer, the “power bleed” inside
the valve might not work on the right side of
the hydraulic cylinder. Apply the following
procedure:
FIGURE #3.4
Gauge 1
FIGURE #3.5
8. If gauge #1 indicates pressure, this
may be caused by a faulty holding
valve, faulty velocity fuse or
hydraulic hoses not properly
connected. Refer to the main
hydraulic schematic for proper
connection.
Gauge 2
NOTE: The figures above show only the
places where to install the gauges. To install
these gauges, use appropriate fittings.
7. Gauge #1 should always indicate
0PSI and gauge #2 should indicate a
sudden pressure burst between 0
PSI to 3000 PSI each time the packer
reaches the end of a stroke.
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