THDC / THDCP - 954 / 955 / 974 (Rev. 06/03)THDC / THDCP - 954 / 955 / 974 (Rev. 06/03)
1-241-24
PPrroobblleem m CCaauusse e CCoorrrreeccttiioonn
37.37. LubrLubricaicating oilting oil
sludge in thesludge in the
engine engine crankcascrankcasee
excessiveexcessive
(Continued)(Continued)
3. 3. Oil Oil drain idrain interval nterval is exis excessivcessive.e.
4. 4. Fuel Fuel gradgrade is noe is not cort correcrect or fut or fuelel
quality is poor.quality is poor.
5. 5. CrankcCrankcase ase ventilatventilation sion system ystem isis
plugged.plugged.
3. 3. ChanChange oil age oil and filnd filter(ter(s) at s) at thethe
appropriate intervals (refer to theappropriate intervals (refer to the
PreventivPreventive e MaintenMaintenanceancechart inchart in
thetheAppendicesAppendices).).
4. 4. RefeRefer to Corr to Correcrection 1. otion 1. of Probf Problemlem
17. of this troubleshooting chart.17. of this troubleshooting chart.
5. 5. ChecCheck and ck and clean clean crankrankcascasee
breather and vent tube.breather and vent tube.
6. 6. ContContact a Cuact a Cummmmins Auins Authorthorizeizedd
Repair Facility.Repair Facility.
38.38. LubrLubricaicating oil tem-ting oil tem-
perature aboveperature above
specificationspecification
1. 1. IncoIncorrecrrect oit oil ll levelevel..
2. 2. EngiEngine coolne coolant teant tempermperaturature ise is
above normal.above normal.
3. 3. Oil prOil pressuessure swre switcitch, gaugh, gauge or sen-e or sen-
sor is sor is malfunctmalfunctioning.ioning.
1. 1. Add or Add or draidrain engin engine oine oil.l.
2. 2. RefeRefer to Prr to Problem oblem 10. of th10. of this tris trou-ou-
bleshooting chart.bleshooting chart.
3. 3. RefeRefer to Corr to Correcrection 1. otion 1. of Probf Problemlem
35. of this troubleshooting chart.35. of this troubleshooting chart.
4. 4. ContContact a Cuact a Cummmmins Auins Authorthorizeizedd
Repair Facility.Repair Facility.
39.39. LubrLubricaicating orting or
transmtransmission oil ission oil inin
the coolantthe coolant
1. 1. Bulk Bulk coolcoolant ant suppsupply ly contcontamiaminatednated. . 1. 1. ChecCheck k coolcoolant ant supplsupplyy. . DraDrain in coolcool--
ant, flush cooling system andant, flush cooling system and
replace with replace with non-contamnon-contaminatedinated
coolant. coolant. Replace cooReplace coolant filterlant filter..
2. 2. ContContact a Cuact a Cummmmins Auins Authorthorizeizedd
Repair Facility.Repair Facility.
40.40. ExcExcessessive blackive black
smokesmoke
1. 1. TurTurbocharger bocharger wheel wheel clearancclearance ise is
out of specification.out of specification.
2. 2. Air iAir intakntake or exe or exhaust haust leakleaks.s.
3. 3. Fuel Fuel gradgrade is noe is not cort correcrect or fut or fuelel
quality is poor.quality is poor.
4. 4. Fuel Fuel draidrain line rn line restrestrictiction.ion.
1. 1. ChecCheck the rak the radial bedial bearinaring cleag clearancrancee
and axial and axial clearancclearance. e. Inspect tInspect thehe
turbochargerturbocharger. . Repair or Repair or replacereplace
the the turbocharger if turbocharger if necessarynecessary..
2. 2. ChecCheck for k for loosloose or dame or damaged piaged pipingping
connections or missing pipe plugs.connections or missing pipe plugs.
Check turbocharger and exhaustCheck turbocharger and exhaust
manifold mounting.manifold mounting.
3. 3. RefeRefer to Corr to Correcrection 1. otion 1. of Probf Problemlem
17. of this troubleshooting chart.17. of this troubleshooting chart.
4. 4. Check Check the fuel the fuel lines lines for rfor restricestriction.tion.
Clear or replace the fuel lines.Clear or replace the fuel lines.
5. 5. ContContact a Cuact a Cummmmins Auins Authorthorizeizedd
Repair Facility.Repair Facility.
To Next Page
Loading...