User Guide

. Ball bearing
Description
• Greaseleakage
• Bearingseized
• Sealingcapmissingordiscoloured(brown)dueto
overload
Cause
• Thermaloverloadormechanicaldamage/overload
Effect
• Degradationofbearinglubrication
g DMF fails
Remedy
• ReplaceDMF
. Plain bearing
Description
• Damagedordestroyed
Cause
• Wearand/ormechanicalimpact
Effect
• DMFisdefective
Remedy
• ReplaceDMF
. Plain bearing
Description
• Wornout
g In relation to the diameter, the maximum radial bearing
clearance for a new part is 0.04 mm, with an admissible
increase throughout its service life of up to 0.17 mm
Cause
• Wearandtear
Effect
• Lessthan0.17mm:none
• Greaterthan0.17mm:increasedtiltingofthesecondary
flywheel
Remedy
• ReplaceDMFifbearingclearanceis greater than 0.17 mm
5 DMF failure diagnoses
. Visual inspection/damage patterns