1-191-19THDC / THDCP - 954 / 955 / 974 (Rev. 06/03)THDC / THDCP - 954 / 955 / 974 (Rev. 06/03)
PPrroobblleem m CCaauusse e CCoorrrreeccttiioonn
22.22. EnginEngine spee speeded
surges at low idlesurges at low idle
or high idleor high idle
1. 1. ElectroniElectronic fc fault cault codes arodes are acte active.ive.
2. 2. Low fLow fuel luel level evel in thin the tanke tank..
1. 1. ReRefer fer to to thetheQSM11 Fault CodeQSM11 Fault Code
InformationInformationchart in this section.chart in this section.
2. 2. FilFill fuel fuel tanl tank wik with futh fuel.el.
3. 3. ContContact a Cact a Cummummins Ains Authoruthorizedized
Repair Facility.Repair Facility.
23.23. EnginEngine spee speeded
surges under loadsurges under load
or in operatingor in operating
rangerange
1. 1. ElectroniElectronic fc fault cault codes arodes are acte active.ive.
2. 2. Low fLow fuel luel level evel in thin the tanke tank..
1. 1. ReRefer fer to to thetheQSM11 Fault CodeQSM11 Fault Code
InformationInformationchart in this section.chart in this section.
2. 2. FilFill fuel fuel tanl tank wik with futh fuel.el.
3. 3. ContContact a Cact a Cummummins Ains Authoruthorizedized
Repair Facility.Repair Facility.
24.24. EnginEngine starte starts, buts, but
will not keep run-will not keep run-
ningning
1. 1. ElectroniElectronic fc fault cault codes arodes are acte active.ive.
2. 2. Low Low fuel fuel levelevel il in tann tank.k.
3. 3. Load Load on hyon hydraudraulic lic pumppump..
4. 4. Air Air in tin the fuhe fuel sel systystem.em.
5. 5. Fuel fFuel filtilter pluer plugged or fugged or fuel wael waxingxing
due to cold weather.due to cold weather.
6. 6. Fuel Fuel inlinlet reet restrstrictiction.ion.
7. 7. Fuel Fuel grade igrade is not cs not corrorrect oect or fuelr fuel
quality is poor.quality is poor.
8. 8. IntaIntake or eke or exhauxhaust syst system stem isis
restricted.restricted.
9. 9. Loose wLoose wire on mire on masteaster disr disconneconnectct
switch.switch.
10.10. Engine protection ciEngine protection circuit is actrcuit is active.ive.
11. Fuel cutoff valve is closed.11. Fuel cutoff valve is closed.
1. 1. ReRefer fer to to thetheQSM11 Fault CodeQSM11 Fault Code
InformationInformationchart in this section.chart in this section.
2. 2. FilFill fuel fuel tanl tank wik with futh fuel.el.
3. 3. Isolate Isolate and remand remove rove restricestriction ftion fromrom
hydraulic circuit.hydraulic circuit.
4. 4. ChecCheck for aik for air in fuelr in fuel, tigh, tighten fueten fuell
connections and tighten fuel filter.connections and tighten fuel filter.
5. 5. ReplReplace face fuel fuel filtilterer. . WeWeather ather condcondi-i-
tions can require fuel heater.tions can require fuel heater.
6. 6. InspInspect fuect fuel linel line for rese for restritrictiction andon and
replace if necessary.replace if necessary.
7. 7. RefRefer to Coer to Correrrectiction 1. of Pron 1. of Probleoblemm
17. of this troubleshooting chart.17. of this troubleshooting chart.
8. 8. ChecCheck ink intake take and exand exhaushaust fort for
restrirestriction and ction and remove restrictiremove restriction.on.
9. 9. IsolIsolate and tigate and tighten wihten wire connre connectection.ion.
10.10. ReRefer to thefer to theEngine ProtectionEngine Protection
System TroubleshootingSystem Troubleshootingchart.chart.
11. Check for loose wires and power to11. Check for loose wires and power to
the fuel cutoff valve solenoid.the fuel cutoff valve solenoid.
12.12. Contact a CumContact a Cummins Authormins Authorizedized
Repair Facility.Repair Facility.
25.25. EnginEngine e vibvibratirationon
excessiveexcessive
continuedcontinued
1. 1. ElectroniElectronic fc fault cault codes arodes are acte active.ive.
2. 2. EnginEngine ie is ms misfisfiriiring.ng.
3. 3. EnginEngine idle idle speee speed is tod is too lowo low..
4. 4. Fan iFan is looss loose, dame, damaged or uaged or unbalnbal--
anced.anced.
1. 1. ReRefer fer to to thetheQSM11 Fault CodeQSM11 Fault Code
InformationInformationchart in this section.chart in this section.
2. 2. RefRefer to Prer to Problem oblem 20. of t20. of this this trou-rou-
bleshooting chart.bleshooting chart.
3. 3. AdjuAdjust st idlidle e speedspeed..
4. 4. ChecCheck k fan. fan. TTightighten, en, replreplace ace oror
adjust.adjust.
To Next Page
Loading...