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Qaagi - Book of Why

Causes

Effects

Oil hole cloggingcauseslubrication failure 3

by its long term storage(passive) caused bylubrication failure believed

In many instances , this can lead to coolant contamination of the bearingcausinglubrication failure of the bearing

With time , moisture , pressure , heat and load cause gear oil to breakdownleadingto lubrication failure

With time , moisture , pressure , heat and load cause gear oil to breakdown ... and worn out gearsleadingto lubrication failure

the lack of oil can damage the normal lubricationresultingin the lubrication failure

oil pump failurecausinglubrication failure

gear oil to breakdownleadingto lubrication failure

gear oil to breakdown ... and worn out gearsleadingto lubrication failure

the gear oil ... to breakdown ... and worn out gearsleadingto lubrication failure

gear oilleadingto lubrication failure

Breakdown of oil viscosityalso leadsto lubrication failure

which caused sufficient heat buildupto causelubrication failure

by wear of lubrication film(passive) caused bylubrication failure

sufficient heat buildupto causelubrication failure

Excessive contaminationwill resultin lubrication failure

by malfunction of the electric oil pump 20(passive) caused bya lubrication failure

by a malfunction of the electric oil pump 20(passive) caused bya lubrication failure

vibrations during storagecausedlubricant failure

vibrations all through storagecausedlubricant failure

vibrations through storagecausedlubricant failure

can over - loadcausinglubrication failure and

heat buildupmay causelubrication failure

heat buildupmight causelubrication failure

heat buildupcan causelubrication failure

the factorsinfluencingto lubrication failure

compounded oil ... in turnwould leadto lubrication failure

a mechanical defectcausedthe lubrication failure

by shortage of lubricating oil on a main compressor side(passive) to be caused bylubrication failure

In many instances , this can lead to coolant contamination of the bearingcausinglubrication failure of

The result is oil evaporationresultingin lubrication failure

a bearingmay leadto lubrication failure

a sufficient film thickness of the lubricating oil can not be providedthereby causinglubrication failure

Low oil pressurecan causelubrication failure

The leakage of the greasemay causelubrication failure

bearingscausinglubrication failure

he fuelto causelubrication failure

Solid contact occurs between the friction surfaces of moving partscausinglubrication failure

adhesive wearresultingfrom lubrication failure

This loadingcan resultin lubrication failure

oftenwill ... causeoften

axial fan failurewill causeaxial fan failure

metalcausesmetal

to excessive wear , overheating and subsequent bearing failurewill leadto excessive wear , overheating and subsequent bearing failure

mechanical parts to failcan causemechanical parts to fail

in corrosion of parts , deterioration of sealsmay resultin corrosion of parts , deterioration of seals

engine failurecan causeengine failure

to excessive wearwill leadto excessive wear

in corrosion of parts , deterioration of seals , stuck or worn bearings , and product contaminationmay resultin corrosion of parts , deterioration of seals , stuck or worn bearings , and product contamination

varnish and sludge to form which increases equipment failure and damagecausesvarnish and sludge to form which increases equipment failure and damage

to a bearing failure and overheatingleadingto a bearing failure and overheating

in damage to the bearingdoes ... resultin damage to the bearing

to a machine failurewill leadto a machine failure

to engine breakdownleadsto engine breakdown

Thermal damage(passive) caused byThermal damage

increased friction(passive) caused byincreased friction

failures(passive) caused byfailures

in bearing heatresultingin bearing heat

wearcausedwear

to temperatures build up because of friction into the bearingmight leadto temperatures build up because of friction into the bearing

abnormal wear(passive) caused byabnormal wear

the problem(passive) was caused bythe problem

excessive temperature(passive) caused byexcessive temperature

to overheating and catastrophic failureleadsto overheating and catastrophic failure

the friction resistance ... , and(passive) caused bythe friction resistance ... , and

oftenresultsoften

accidents(passive) caused byaccidents

to heatwill leadto heat

in heatwill resultin heat

increased friction ... , and extreme cases(passive) caused byincreased friction ... , and extreme cases

to heat build up due to friction in the bearingwill leadto heat build up due to friction in the bearing

to degradationleadsto degradation

to excessive temperatures and other symptoms including reduced engine performancewill leadto excessive temperatures and other symptoms including reduced engine performance

to heat build up due towill leadto heat build up due to

from low fluid viscosityresultingfrom low fluid viscosity

in piston ringsresultsin piston rings

to seizingleadsto seizing

especially those stoppages(passive) caused byespecially those stoppages

mechanical damagecausingmechanical damage

the frictional resistance(passive) caused bythe frictional resistance

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