TROUBLESHOOTING AND ELECTRICAL SYSTEM: DIESEL VEHICLES
Troubleshooting Guide
Page 11c-2
2007 Carryall 295/295 SE & XRT 1550/1550 SE Gasoline, Diesel and IntelliTach M & S Manual
11C
Engine does not start (starter motor
functions), continued.
Fuel cam shaft worn
See the Kubota D722 diesel engine
manual (CCI P/N 102615501).
Seizure of crankshaft, camshaft, piston, or
bearing
Fuel solenoid failure
Test Procedure 24 – Fuel Solenoid Pull
Coil Circuit on page 11c-42 and Test
Procedure 25 – Fuel Solenoid Hold Coil
Circuit on page 11c-42
Improper idle governor adjustment
Idle RPM Adjustment on page 13c-20
Engine does not start (starter motor
does not function).
Battery is discharged
Test Procedure 1 – Battery on
page 11c-13
Key switch failed
Test Procedure 4 – Key Switch (Starter
Circuit) on page 11c-18
Failed starter and/or starter solenoid
Test Procedure 7 – Starter Control Circuit
on page 11c-20
Start relay failure
Test Procedure 8 – Start Relay on
page 11c-21
Loose or improper wiring
Check for proper wiring and tighten any
loose connections. See Wiring Diagram
on page 11c-6.
Diode 4 failed open
Test Procedure 13D – Diode 4 on wire 141
on page 11c-32
One or both 30-amp fuses blown
Test Procedure 2 – Fuse on page 11c-16
Neutral switch failure (failed open)
Test Procedure 14 – Neutral Switch
(Transmission) on page 11c-35
Transmission shifter linkage is binding or
is out of adjustment
Forward/Reverse Shifter Cable
Adjustment on page 14-17
Diode 1, 2, 5, or 6 failed closed
Test Procedure 13 – Wire Harness Diodes
on page 11c-28
Engine does not run smoothly.
Incorrect nozzle opening pressure
See the Kubota D722 diesel engine
manual (CCI P/N 102615501).
Injection nozzle clogged
Failed injection pump
Fuel overflow pipe clogged
Fuel leak caused by loose injection pipe
retaining nut
Fuel pump failure
Test Procedure 26 – Fuel Pump Circuit on
page 11c-43
Air filter is dirty or clogged
Air Filter Replacement on page 13c-23
Fuel filter clogged or dirty
Fuel System on page 13c-8
Water or dirt in the fuel system
Loss of engine power.
Muffler or exhaust pipe restricted with
carbon or other substance
Exhaust System on page 13c-5
Air filter is dirty or clogged
Air Filter Replacement on page 13c-23
Throttle linkage out of adjustment
Engine Control Linkages on page 13c-19
Restricted fuel flow
Fuel System on page 13c-8
Troubleshooting Guide continued on next page...
TROUBLESHOOTING GUIDE
SYMPTOM
POSSIBLE CAUSES
REFER TO
Содержание IntelliTach XRT 1550
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