Harper Butler Arm Bed A84X84, Manual, Page: 10 / 39

Arm Bed
Toolbox Mounting Mounting of Power Unit
• Mount the box with the two bolt holes
on the short end towards the front. Bolt
the top of box to the welded bracket
under the bed. All bolts are 3/8”.
Place power unit in passenger side box with
the reservoir facing the cab of the truck.
Position the holes in bottom of pump block
over holes in bottom of box. Using 3/8” bolts,
secure the pump to the box. Run the hydrau-
lic hoses through the rubber grommet in the
box. The power unit operates best with a two
battery set up. If needed, the second battery
can be mounted next to the power unit in the
tool box.
Bracket
Bolt to welded bracket
8
Check Valve Check Valve Manifold Plug
Squeeze In Coil (black
box) & Cartridge Valve
Stem
Squeeze Out Coil
(black box) & Car-
tridge Valve Stem
Bale Down Coil (black
box) & Cartridge Valve
Stem
Bale Down Coil (black
box) & Cartridge Valve
Stem
Bale Up
Flow Valve
Pressure
Relief Valve
Vent
Cap
Motor
Pressure
Relief Valve
Ground
Reservoir
Motor Start
Solenoid
Power Unit Identification