SCHUNK WBL 85 Balfour Beatty, Maintenance And Operating Manual

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9. Repairs
9.1 General Information
Prior to disassembling the pantograph, please make familiar with the relationship of
the individual component parts by studying the drawings (chapter #11).
Deformed component parts are to be disassembled before adjusting.
The alignment of the bearings is only accurately measurable on a measuring table.
9.2 Dismounting of Pantograph from Top of Vehicle Roof
❑
Lower pantograph into lowest resting position.
❑
Make sure that current in catenary is switched off.
❑
Detach electrical connection between pantograph and vehicle.
❑
Unscrew pneumatic connections to vehicle.
❑
Secure upper frame to base frame (e.g. with a rope)
❑
Secure pantograph at the transport fixing points. (see # 5.2 Transport Chapter).
❑
Detach pantograph from fixing-supports on vehicle.
❑
Lift pantograph off vehicle roof.
Attention: No persons is allowed to be underneath the transported
pantograph.
9.3 Complete Disassembly of Pantograph
❑
Mount pantograph on suitable resting feets to protect air bellow and signal horn.
❑
Lower pantograph into lowest resting position.
❑
Detouch signal horn from base frame.
❑
Detach air conditions.
❑
Detach shunts and carbon strips.
❑
Detach parallel guide bar.
❑
Detach pan head from upper frame..
❑
Detach coupling rod from upper frame and base frame.
❑
Detach upper frame from lower frame.
❑
Detach air bellow drive.
❑
Detach lower frame from base frame.
❑
Detach latch from base frame.
❑
Detach pneumatic control unit from base frame and compressed air chamber.
Repairs
Single Arm Pantograph WBL 85 Balfour Beatty
Page 20 WBL 85-15kV