12
POWER UNIT INSTALLATION & START UP PROCEDURE
Fill the reservoir with automatic transmission
uid or any clean hydraulic uid having a
viscosity index that is suitable for the climatic
conditions in which the unit will be
operated. Recommended operating temperature
range is +20° F to +180° F.
GENERAL START UP INSTRUCTIONS
NOTE: The ports are marked on the casting
‘UP’ and ‘DN’. When facing the power unit with
the motor up, plug the right hand, or ‘DN’ port.
Jog the motor until oil ows from the left hand,
or ‘UP’ port. If oil does not ow from the ‘UP’ port, reverse the wire leads on the motor, and
repeat. The pump is now primed. Connect the hose (or tubing) to the ‘UP’ port and tighten.
Connect the other hose end to the blind end of a fully retracted hydraulic cylinder. With the
hose tting loose, operate the power unit until oil (and no air) bleeds from the tting. Tighten
the tting. Rell the reservoir.
HYDRAULIC TOWER POWER UNIT
HYDRAULIC FLUID SPEC CHART
