Engine Starts Then Stops - NC HT1.0 Original Instructions Manual

CHART A4—Engine starts then stops
Cause
No fuel supply in tank.
Engine starting under load.
Idle speed too low for accessories.
Air intake or exhaust system is blocked.
Fuel is aerated.
Fuel lift pump not operating correctly (fuel
supply inadequate).
Fuel is waxing due to extremely cold
weather.
Fuel is contaminated or incorrect grade of
diesel used.
Fuel filter(s) blocked, fuel supply restricted.
Fuel drain return line blocked or not
connected properly.
Bad Nozzle
Moving parts are overheated due to shortage
of lubrication oil or improper lubrication
Fault Finding
Check the level in the fuel tank and replenish as required.
Check for added loading form malfunctioning accessories or
driven units, brakes dragging and other changes in the vehicle
loading. Disengage the hydraulic controls.
Adjust the idle speed. Refer to the machines service manual for
correct adjustment procedures and idling speed.
Visually check the air intake and exhaust intake for blockage or
obstruction-remove as required. Check the air filter elements for
signs of blocking, replace as required.
Check the fuel system for loose connections and possible air
ingress points. Rectify and bleed the fuel system.
Check that the lift pump is operating and delivering fuel to the
injection pump.
Verify by inspecting the fuel filter. Clean the filter and use
acclimatised fuel.
Refer to Fluids & Lubricants section for recommended diesel
fuels. If the fuel is suspect, verify by operating the engine with
clean fuel from a temporary tank.
Check/replace the fuel filter(s). Check fuel lines for restriction.
Verify that the fuel return line is not obstructed and connected to
the top of the fuel tank.
If necessary replace with a new nozzle
Check engine oil level
•
Check lubricating oil system
•
Check bearing clearances is with factory specs (Kubota
•
specialist)
Remedy
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