BLEED CARGO RAMP AND DOOR HYDRAULIC SYSTEM (WITHOUT EXTERNAL
Set ramp control handle (13) to UP. Close the
If a lot of air is in the circuit, the ramp
may drop fast enough to be damaged
as it strikes the ground. To prevent
damage, place padding on the ground
in the contact area.
Move control handle (13) to DN. Lower the ramp
fully. Keep hose (10) submerged as fluid is drawn
As air is removed from the system,
the fluid level in the container will go
Repeat steps 10 and 11 until no air comes
through hose (10). Raise the ramp to full up.
Adjust sequence valve (2) as follows:
Manual override knob (1) must remain
locked down during adjustment.
Otherwise, the ramp seal wIll be
Screw rod end (4) up against plunger (6) until
plunger bottoms in valve (2). Plunger travel
shall be about 0.4 inch.
Screw rod end (4) down 3-1/2 turns (0.15
inch). Tighten locknut (5) against rod end.
Check that thread is visible through inspection
hole (14) in rod end (4). Check that rod end
can be moved vertically about 0.15 inch.