SCHUNK SRU-plus-D, Assembly And Operating Manual

Page: 30 / 72

Assembly
30 04.00 | SRU-plus-D | Assembly and Operating Manual | en | 1380765
• Only open the air connections required.
• Seal those main air connections that are not needed using the
locking screws from the accessory pack.
• For hose-free direct connections, use the O-rings from the
accessory pack.
• Use throttle valve from the accessory pack for the main air
connections.
• With hose-free direct connections, throttle valves must be fitted
in front of the main air connections.
Pay attention to the following table when using throttle valves.
Variant Air connection
A B C D
Without center
position Exhaust Exhaust - -
With center position
(M) Exhaust Exhaust Supply
air Supply
air
With locked center
position (VM) Supply air Supply air Supply
air Supply
air
With locked center
position (VM) and
separate piston
chambers A1
Exhau
st
A2
Supply
air
B1
Exhau
st
B2
Supply
air
Supply
air Supply
air
Variant with center
position (M) For the pneumatic center position, the air connections C and D
must be actuated together with a branching.
Variant with locked
center position (VM) If supply air throttle valves are used with the locked center
position on the air connections
C and D , the locking is engaged
smoothly. The operating pressure for the lock must be between 4
and 6 bar.
If exhaust throttle valves are used on the variant with locked
center position, this can cause malfunctions.
Variant with fluid
feed-through The connections marked with numbers on the pinion and the
flange are provided for feed-through of vacuum, gasses or fluids.