THDC / THDCP - 954 / 955 / 974 (Rev. 06/03)THDC / THDCP - 954 / 955 / 974 (Rev. 06/03)
1-201-20
PPrroobblleem m CCaauusse e CCoorrrreeccttiioonn
25.25. EngiEngine ne vibvibratirationon
excessiveexcessive
(Continued)(Continued)
5. 5. EngiEngine belt drne belt driveiven accesn accessorisorieses
malfuncmalfunctioning: tioning: fan hub, alternatorfan hub, alternator,,
Freon compressor or air compres-Freon compressor or air compres-
sor.sor.
6. 6. EngiEngine mone mounts unts are ware worn oorn or damr dam--
aged.aged.
7. 7. Damaged Damaged vibrativibration on damperdamper..
5. 5. ChecCheck k for for inteinterferrference. ence. LoosLoosenen
belt, if applicable, to isolate compo-belt, if applicable, to isolate compo-
nent from vibration.nent from vibration.
6. 6. VisVisuallually checy check engik engine mounne mounts andts and
replace if necessary.replace if necessary.
7. 7. ChecCheck vik vibratbration dion dampeamper andr and
replace if required.replace if required.
8. 8. ContContact a Cuact a Cummmmins Auins Authorthorizeizedd
Repair Facility.Repair Facility.
26.26. EngiEngine wilne will notl not
crank or crankscrank or cranks
sloslowly wly (OEM(OEM
electrical)electrical)
1. 1. Master Master disconnecdisconnect swt switch itch is is turnedturned
off.off.
2. 2. Load Load on hyon hydrauldraulic ic pumppump..
3. 3. BattBattery cery conneconnectiontions are brs are broken,oken,
loose or corroded.loose or corroded.
4. 4. Low Low battbattery ery charcharge.ge.
5. 5. BatteBattery rry ratinating is too lg is too low or baow or battertteryy
is is defectivdefective.e.
6. 6. ShifShifter is ter is not in thnot in the neutre neutral posial positiontion..
7. 7. CirCircuicuit breat breaker (ker (CB2, CCB2, CB7 orB7 or
CB10; IllustrationCB10; Illustration6-166-16) is tripped or) is tripped or
defective.defective.
8. 8. CircCircuit bruit breaker (eaker (CB1) iCB1) is defecs defective.tive.
9. 9. DefDefectiective trve truck pouck power swer solenoolenoidid
(L1).(L1).
10.10. DefectiDefective neutral start relve neutral start relay (K1).ay (K1).
11. Defectiv11. Defective e starter solenoid (L2).starter solenoid (L2).
12. Defective starter.12. Defective starter.
13.13. DefectiDefective ignition swive ignition switch (S1).tch (S1).
14.14. DefectiDefective fuel cutoff valve fuel cutoff valve (L4).ve (L4).
15.15. LoosLoose or e or brokbroken wiresen wires, pins, or, pins, or
plugs between any of the compo-plugs between any of the compo-
nents in Causes 1. thru 14.nents in Causes 1. thru 14.
1. 1. TurTurn masn master dister disconnect sconnect switch witch on.on.
2. 2. Isolate Isolate and remand remove rove restricestriction tion fromfrom
hydraulic circuit.hydraulic circuit.
3. 3. ChecCheck fk for or damadamage. ge. ReplReplace, ace, tightight-t-
en or clean.en or clean.
4. 4. Check Check electrelectrolyte olyte level level and specand specificific
gravitygravity. . Recharge or replRecharge or replace bat-ace bat-
teries.teries.
5. 5. Replace Replace with with correct correct rated batrated batterytery..
6. 6. PlacPlace shifte shifter in the neuter in the neutral posral positiition.on.
7. 7. ResReset or reet or replacplace cire circuit bcuit breakreakerer
(CB2, CB7 or CB10).(CB2, CB7 or CB10).
8. 8. Replace Replace circcircuit uit breaker breaker (CB1).(CB1).
9. 9. ReplReplace trace truck powuck power soler solenoienoid (L1).d (L1).
10.10. Replace neutrReplace neutral start relal start relay (K1).ay (K1).
111. 1. Replace starter solenoid Replace starter solenoid (L2).(L2).
12.12. Replace or repair sReplace or repair startertarter..
13.13. RefeRefer to Componr to Component 4. of theent 4. of the
Component Component TTroubleshootingroubleshooting
chart inchart inSection 6.Section 6.
14.14. ReRefer tofer toFuel Solenoid ValveFuel Solenoid Valve
found infound inSection 2Section 2for proper fuelfor proper fuel
cutoff valve operation.cutoff valve operation.
15.15. Isolate anIsolate and repaird repair..
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