Groeneveld AC3 - Page 17

Problem Cause Soluon
1. Inoperave Pumping
Unit.
a) InoperavePump.
a) Referto“ProblemA”in‘Electrical—
Troubleshoot’.
b) BrokenSpring. b) Replacepumpingunit.
c)Airpocketinlubricantfromincorrectfill c) Bleedthepump&refillthereservoir.
2. All lubricaon points
appear dry.
a) Emptyreservoir.
a) Refillthereservoir,usingthecorrect—
lubricant.
b) Inoperavepump. b) Referto“ProblemA.”
c) Timebetweenlubecyclesistoolong. c) Adjustpumpseng.
d) Reservoirfilledwithanunsuitable
lubricant.
d) Removethelubricantandreplacewith
correctgradeoflubricant.
e) PumpAirlockedfromincorrectfill. e) Bleedthepump&refillthereservoir.
f) Reservoirventblockedfromoverfilling. f) Clearventandonlyfilltomaxlevel.
g)System/Pumphasblockage. g)See“Problem8”.Bleedthepump&refill
3. Pump is working, but
does not supply lubricaon
a) Greaseleveldroppedbelowminimumlevel. a) Bleedthepump&refillthereservoir.
b) Defecvepumpingunit(s). b) Replacethepumpingunit(s).
c)Pumpairlockedfromincorrectfill. c) Bleedthepump&refillthereservoir.
5. No grease at one or more
point of lubricaon
a) Thelubricaonpipeisburstorleaking. a) Renewthepipe.
b) Blockedorbrokenpumpingunit.
b) Determinedefecvepumpingunitand
replace.
d) Leakageatunionpoint. d) Reghtenorrenewthescrewedunion.
6. All lubricaon points are
over lubricated.
a)
Incorrectsengof“DelayTime”. a) Increase“DelayTime”seng.
7. Some lubricaon points
are over-lubricated.
a) Incorrectpumpingunitoutput.
a) Re‐configurepumpingunitforlowerout‐
putquanty.
8. Split / burst lubricaon
line
a) Excessivepressureinthesystemcausedby
blockage.
a) Checkthesystem.Checksuitabilityof—
lubricantforapplicaonlowtemperature.
b) Oneormorelubricaonpointsareblockedand
willnotacceptgrease.
b) Removepipefromfingandflushbearing
throughwithgreasegun.
c) Defecvepumpingunit(s). c) Replacethepumpingunit(s).
Lubricaon Troubleshoong Chart
AC3OperaonandMaintenance
14
Troubleshoong