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54 14.00 | SRU-plus 20 - 60 | Assembly and Operating Manual | en | 389443
6.5 Locked center position with separate piston chambers
WARNING
Risk of injury due to unexpected movement of the
machine/system!
In an EMERGENCY STOP situation, the center position lock can
come loose.
l
Swivel the product to one of the end positions to restart.
WARNING
Risk of injury due to unexpected movement of the machine/
system!
With a horizontal swiveling axis, secure locking is not guaranteed
during the ventilation stage when a swivelling movement is
being performed from 3 o'clock (180°) to 6 o'clock (90°) or from 9
o'clock (0°) to 6 o'clock (90°).
l
Screw the separating sleeves into air connections "A" and
"B".
l
Control both piston chambers of the "A" and "B" air
connections separately for the purpose of holding torque.
The piston chambers "A" and "B" are separated by one
separating sleeve each into two independent piston chambers,
"A1" and "A2" and "B1" and "B2". By using supply air throttle
valves, piston chambers can be actuated separately.
Holding the load at 0°
1. Actuate air connection "B1", until the pinion begins to move.
2. Ventilate air connection "B2".
3. Actuate air connection "C".
4. Observe waiting period, }6.5 [/55].
5. Ventilate air connection "B1".
6. Actuate air connections "A1" and "A2".
ð Assembly swivels until locking of C.
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