User Guide

. Very high thermal load
Description
• DMFdiscolouredblue/purpleatthesideoronthe
back and/or is visibly damaged, e.g. cracks
Cause
• Veryhighthermalload
Effect
• DMFisdefective
Remedy
• ReplaceDMF
. Friction control disc
Description
• Frictioncontroldiscmelted
Cause
• HighthermalloadinsidetheDMF
Effect
• LimitedoperationalreliabilityoftheDMF
Remedy
• ReplaceDMF
. Primary mass
Description
• Secondarymassscorestheprimarymass
Cause
• Frictionringoftheplainbearingwornout
Effect
• Noiseemissionorstartermotoroperationimpaired
Remedy
• ReplaceDMF
5 DMF failure diagnoses
. Visual inspection/damage patterns