Michco sc8000, Руководство по обслуживанию

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Engine System, LPG 104 Service Manual – SC8000
Problem Cause Correction
The engine will not
start.
No power to the Ign. Switch
Input terminal on the A3
Engine System.
• Check circuit breaker CB5 and reset if necessary.
• Check the continuity from the Ignition Switch to the
Ign. Switch Input terminal on the A3 Engine System
and repair as necessary.
Engine will not run at
high speed.
Loss of throttle input from
Main Machine Controller to
Engine Controller
Engine System Problem
• Check that a voltage signal is being sent to the
engine controller when the Throttle Switch is set to
operating speed.
• Refer to Diagnosis Manual ECM System WG1605
9Y110-01760.pdf
The engine stops
running, check engine
light is on.
The coolant temperature is too
high.
Refer to the Engine Overheating Problems section
below.
The oil pressure has dropped
too low.
Refer to the Loss of Oil Pressure Protection section
below.
Engine Management System
Problem
Consult Diagnosis Manual ECM System WG1605
9Y110-01760.pdf
Engine Overheating Problems
Use the checklist below as a guide to thoroughly check the engine cooling system.
• Check the coolant level in the overflow tank and radiator.
• Inspect and clean the radiator and hydraulic oil cooler.
•
Check for correct operation of the belt-driven engine cooling fan (slippage).
• Check to see that the engine thermostat opens.
• Check for correct water pump operation.
• Check the engine crankcase oil level.
• Check for air trapped in the cooling system. (Refer to the Engine Coolant/Replacing Engine Coolant
section.)
• Check the engine coolant sensor for correct function as replace if necessary.
• Check for combustion gasses in the coolaning system.