Mitsubishi S12R Service Manual

11 TROUBLESHOOTING
Mitsubishi Diesel Engine S12R OPERATION & MAINTENANCE MANUAL
181
Pub. No. 291Y1-40720 Revision: 5
Starter Cranks, but Engine Does Not Start
Table 11-2 Starter Cranks, but Engine Does Not Start
Problem Cause Remedies
Reference
Page
Starter Cranks,
but Engine Does
Not Start
Fuel System Run out of fuel,
blocked pipe
• Check fuel tank, add fuel and
bleed air.
• Check fuel pipes and valves.
133
Improper fuel prop-
erties
• Change with appropriate fuel. 103
• Remove dust, water and
impurities.
133
Fuel leaks from low
pressure fuel line
• Check defects of low pressure fuel
line and retighten, if necessary.
144
Fuel leaks from
high pressure fuel
injection pipe
• Check defects of high pressure
fuel injection pipe
144
• Contact your MHIET dealer. 10
Clogged fuel filter • Check and replace fuel filter. 140
• Gauze filter - Clean 139
• Change to fuel suitable for the
ambient temperature.
103
Fuel feed pump
malfunction
• Contact your MHIET dealer. 10
Fuel injection pump
malfunction
• Check fuel injection pump rack
stroke.
-
• Contact your MHIET dealer. 10
Fuel injection noz-
zle malfunction
• Contact your MHIET dealer. 10
Air Intake
System
Insufficient amount
of intake air
• Turbocharger - Check 165
Poor ventilation • Clean, check and replace air
cleaner element.
• Clean, check and replace pre-
cleaner.
167
Control System Governor malfunc-
tion
• Fuel control link - Check 142
• Contact your MHIET dealer. 10
Engine Body Compression pres-
sure drop
• Contact your MHIET dealer. 10
Additional
Equipment
Water heater
switch "OFF"
• Check water heater switch -

Mitsubishi S12R Specifications

General

Brand	Mitsubishi
Model	S12R
Category	Engine
Language	English