Troubleshooting EN LSV39 SA12-125
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© Atlas Copco Industrial Technique AB - 9839 0621 01
Problem Reason Action
Damaged bearings *
Grease leakage Loose oil plug and spindle lock Tighten oil plug or spindle lock
Worn or damaged seals *
Damaged o-rings *
Damaged bearings *
Too much grease in gear housing Do a check of that angle gear has
correct amount of grease
Tool starts unexpectedly Valve pin jammed in start position Replace pin and bushing
Damaged security meachanism Replace lever
Damaged throttle valve *
Vibrations Worn or damaged grinding wheel Replace wheel
Autobalancer not working properly Replace autobalancer
Damaged spindle *
Worn or damaged flange washers Replace flange washers
Too high idle speed Governor *
Too high air pressure Do a check of air pressure
Abnormal or high sound Resonance from exhaust Restart tool rapidly and slowly until
noise dissapear
Exhaust hose is missing Assemble exhaust hose
Too little grease in gear housing *
Damaged gear *
Damaged spindle *
Bad noise from gears *
Worn bearings *
* This service must only be done by authorized workshop or qualified service technician.
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