Service Manual

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Starting Problems (continued)
Condition Possible Cause Correction
Engine cranks, but does not start Glow plugs not used properly Use glow plugs to pre-heat
(if engine cranks, cause of before starting. engine cylinders before and
problem is not in interlock during cold starting. Hold glow
system). plug switch in ON position until
indicator glows red, or as
specified in Operator’s Manual
for ambient temperature. DO
NOT exceed 2 minutes of
continuous use.
Glow plug circuit malfunctioning. Test glow switch, glow plug
in
dicator and glow plugs and
replace if faulty.
Check glow plug circuit wiring
a
nd repair if loose, corroded or
damaged.
Fuel shut-off solenoid is IN (should Check for voltage at solenoid
be OU
T). connector while cranking. If no
voltage, but solenoid is IN,
solenoid is faulty. If there is
En
gine or fuel system problem. voltage, control unit is faulty.
See Troubleshooting section of
Chapter 4 - Mitsubishi Diesel
Engine.
Engine cranks (but should not) Traction neutral switch out of Test switch and replace if faulty.
wit
h traction pedal out of neutral. adjustment or faulty. Make sure wires are connected
t
o “COMMON” and “NORMALLY
OPEN” (N.O.) terminals.
Engine cranks (but should not) PTO switch out of adjustment Test PTO switch and adjust or
wi
th PTO ON. or faulty. replace if faulty.
Troubleshooting
(Groundsmaster 322-D/325-D) Page 6 - 14 Groundsmaster
®
300 Series