After bolting the jack to the trailer:
With supplied hardware attach the HPU housing and HPU unit to the
jack.
Up body hose is attached to extend port “raising” on hydraulic jack
(bottom port on jack). (hose supplied) Attach other end to Port A of
HPU unit. Torque both connections to 18 ft lbs.
Down body hose is attached to retract port “lowering” on hydraulic jack
(upper port on jack). (hose supplied) Attached other end of hose to
Port B of HPU unit. Torque both connections to 18 ft lbs.
Using full size deep cycle RV/Marine battery (not supplied) run battery
positive (red) and negative (black) battery cables (not supplied) to the
HPU unit. Should also install insulating boots (not supplied) after
connecting battery cables to HPU Unit.
Positive electrical supply
(red) Battery
connections torque to 3
ft lbs
Negative electrical
supply (black) Battery
connections torque to 3
ft lbs