Conductix-Wampfler Cluster Bar, Manual

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IOM CLUSTER BAR MANUAL 964000.5.0
4.0 Troubleshooting
4.1 Properly installed and normally inspected rigid conductor systems very seldom require extensive maintenance. When properly installed, shoe
inspection and replacement is usually all that is necessary.
Cluster Bar Conductor Troubleshooting
Problem Probable Cause Solution
Burned joints or burned cover at joints. Loose joint, excess vibration, or over tightened
hanger clamps. Tighten joint, check hanger clamps, & replace
joint cover.
Distorted cover. Too High ambient temperature, under-rated bar. Check total current draw under worst conditions.
Pitted or burned conductor. Improper shoe pressure or worn out shoe. Check collector mounting and spring pressure.
Check for worn out shoe. If the above are
corrected & condition persists, install tandem
collectors.
Cluster Bar Conductor Troubleshooting
Problem Probable Cause Solution
Shoes wearing unevenly. Collector not mounted directly under conductor.
Square bar is rotated out of square. Tighten joint, check hanger clamps, & replace
joint cover.
Lead wire not slacked Loosen lead wire.
Collector movement too tight. Free collector movement & lubricate.
Shoes pitted or burned Insufficient shoe pressure. Excessive bouncing
or hand-pulled trolley not stable. Check shoe pressure and mounting distance.
Excessive bouncing can be reduced with
tandem collectors. Install guide rollers on
hand pulled trolleys. Also see: Pitted or burned
conductor.
De-tracking. Distorted cover or joint cover. Check condition, replace as necessary.
Misalignment at switched or crossovers. Re-align and re-anchor
Check switch movement.
Improperly installed. Correct misalignment.
Hanger clamp too tight making bar “snake” to
where collectors interfere with each other. Loosen hangers so bar will slide. Tighten one
hanger in center or between each expansion
section.