22
11/2018
TRACKS, RUNWAYS & HANGERS
SAFPOWRBAR® CONDUCTOR BAR
COMPONENT
MAINTENANCE
FREQUENCY
Bar
Check for corrosion, bowing, or sagging. Check alignment at moving
gaps. Realign if necessary.
Every 2,000 hours
or yearly
Couplings
Check bolt or screw tightness. Check for corroded contact
surfaces.
Every 2,000 hours
or yearly
Supports
Check for loose bolts and/or screws and bent brackets.
Every 2,000 hours
or yearly
Insulators
Check for loose bolts, sheared support ears, current carrying deposits on
surface.
Every 2,000 hours
or yearly
Bar Covering
Check for accidental abrasion and peeled covering.
Every 2,000 hours
or yearly
Current Taps
Check bolt and terminal screw tightness. Check for corroded contact
surface.
Every 2,000 hours
or yearly
Grounds
Check for ground continuity. Check at load side of disconnect switch
(current off), with meg-ohm tester, for overall system insulation
resistance.
Every 2,000 hours
or yearly
Collectors
Check for worn shoes. Check flexible leads from wheel clevis pigtail or
slide shoe shaft. Check tightness of lead connections. Check for cracked
insulators. On type “ST” collectors, check for free movement or
pantograph. Lubricate pivot pins as required. Collector bracket tubes
should be vertical within 1/16”. Replace if necessary.
Every 750 hours
or 4 months
COMPONENT
MAINTENANCE
FREQUENCY
Top Hanger Bracket/
Beam Clips/
Threaded Rod
Check that lock washers are compressed and nuts tightened to
manufacturer’s specifications.
Every 1,000 hours
or 6 months
Lower Hanger
Bracket
Check that lock washers are compressed and nuts tightened to
manufacturer’s specifications.
Every 1,000 hours
or 6 months
Sway Brace
Connection
Check for loose bolts & cracked fittings.
Every 1,000 hours
or 6 months
Track
Check for rail wear (replace if raised portion of tread is gone). Check
welds for incipient cracks. Check underside of rail for wear from drive
rollers if using tractor drives. When groove is 1/8” deep, replace track.
Check side of rail for wear. When width has decreased more than 1/8”,
replace track.
Every 2,000 hours
or yearly
Joints
Check for loose or worn hardware or if welded type, for incipient cracks.
Check for track alignment and that wheel rolling surface is flush.
Every 2,000 hours
or yearly
End Stops
Check for loose bolts and for incipient cracks.
Every 2,000 hours
or yearly
Paint
Clean periodically and repaint where corrosion is present.
Every 2,000 hours
or yearly
Содержание Tarca I Series
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Страница 19: ...15 11 2018 APPENDIX B WIRING DIAGRAMS 2 Way Motorized Schematic...
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Страница 21: ...17 11 2018 APPENDIX B WIRING DIAGRAMS CONTINUED 2 Way Pneumatic Schematic...
Страница 22: ...APPENDIX B WIRING DIAGRAMS CONTINUED 18 11 2018 3 Way Pneumatic Schematic...