3.5 STEP 4
Lift the roof completely , then bleed the air from the hydraulic circuits by releasing the air bleed screw of one cylinder by one turn with allen key 5 until no more air but only oil escapes. Then close the screw again, but don’t remove it completely!
Repeat this procedure for all cylinders.
After bleeding the hydraulic circuits, check the operation of the lifting system. The roof should now go up smoothly and all pistons should rise simultaneously when holding the lever in the UP position (air supply directed to port nr. 4).
A
AIR
Air bleed screw, loosen by 1 turn to let air escape
B
AIR
OIL
C
OIL
CLOSE
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