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Bleeding by means of hand pumps
1
Pump the pit jack using the fast stroke (C) until the pit jack has moved
approx. 100-200 mm.
2
Immediately afterwards, pump up the load stroke (B) and also perform the
lifting movement without pausing for approx. 100-200 mm.
3
Now actuate the fast stroke (C) pump again and move the pit jack to the
mechanical stop. Pit jack is now fully extended
4
Actuate the load stroke (B) pump at the mechanical stop and perform
approx. 10-20 pump strokes.
5
Switch to fast stroke (C) pump and carry out approx. 10-20 pump strokes.
6
Lower the pit jack to the home position using the drain plug (A).
7
Repeat the procedure until the piston rod moves smoothly.
A
C
62
A
B
B
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