Schunk Bahn- und Industrietechnik GmbH
Adjustment Procedures
Adjustment of Raising and Lowering Time
Raising and lowering time are adjusted with the throttle relief valve (TRV1) and the
throttle silencer (TV1) of the pneumatic control. Valve and silencer are properly
adjusted by the manufacturer.
After attachment of the pantograph at the vehicle roof, check adjustment and adapt if
necessary.
The raising time is adjusted with the throttle relief valve
(TRV1 Chapter #Appendix A).
The lowering time is adjusted with the throttle silencer
(TV1 Chapter #Appendix A).
Procedure:
At VERY FIRST adjustment:
Completely screw-in adjustment screws (pantograph does
not move).
Slowly screw-out adjustment screws.
1. Loosen check nut (3,4).
2. Adjust raising time:
Screw-IN adjustment screw (5)
Raising / Lowering time INCREASES
Screw-OUT adjustment screw (5)
Raising / Lowering time DECREASES
Adjust throttle relief valve (TRV1) until pantograph raises within the desired time
( Chapter #3).
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