Labrie AUTOMIZER FULL EJECT Maintenance Manual page 128

120 Hydraulic System
2. Make sure the parking brake is applied and the vehicle is tagged out for maintenance purposes
(refer to "Locking Out and Tagging Out the Vehicle" on page 26).
3.
Close the shut-off valve (see Figure 2-13).
4.
Slowly loosen the breather cap on the hydraulic tank (see Figure 5-6) to depressurize the tank.
If tank is of the pressurized type.
Caution!
Always loosen the breather cap slowly to let the internal air pressure dissipate in order to
avoid serious injury.
5.
Disconnect the electric coil on the dump valve, if equipped (see Figure 5-8).
6.
Place a pan under the pump to catch dripping oil and unscrew all hydraulic hoses (4) that are
attached to the pump.
Caution!
Before disconnecting the hydraulic hoses from the pump, place a pan under the pump to
catch oil that may drip down from the disconnected lines.
7.
Remove the dump valve (if equipped).
N : The dump valve is usually, but not necessarily, located atop the pump.
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N : Always reinstall the dump valve and its components (shims, block assembly) as they were
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before uninstallation. Make sure you do not invert them.
8. Remove the suction block (see Figure 5-12) and save it for the new pump.
Figure 5-12 Suction block