Four post parking lift Happ25 4 post hoist
30
Wiring of single phase power to motor control unit
10 Power unit – pump assembly
Pump assembly
Controls for operating the lift are:
Connect the power first and push the green button the power unit for up, and press unloading handle
on the power unit to lower the lift.
The small allen key in the center of one side of the unit is used to adjust the lowering speed. The other
flat head adjuster under the plastic cover on other side adjusts the pressure side of the control valve.
The pump unit is fitted to multiple models; the outlet hose can be
installed on either side of the control block by swapping the pipe
joint for the plug screw on the other side. Confirm fittings are tight
prior to operation
