ENGINE IS HARD TO START
POSSIBLE CAUSES ACTIONS
1. Fuel is cloudy or fuel ow is re-
stricted
•
Check fuel tank and fuel lter.
•
Remove water, dirt, or other debris.
•
Filter out fuel, and replace the lter if contaminated.
2. Air or water in fuel system
•
Fuel pump is not working properly due to air in the fuel lter or injection line.
Loosen the fuel cap nut and check carefully to obtain proper fuel injection pressure.
•
Loosen the air vent screw from the fuel filter and fuel injection pump and bleed all air from
the fuel system.
3. Incorrect valve clearance
•
Adjust the valve clearance (with the engine cold).
- Intake : 0.008 in. (0.2 mm) - Exhaust : 0.008 in. (0.2 mm)
4. Leaks from valve • Polish the valve.
5.
Engine system error
• Check for DTCs and error codes.
• Contact your dealer for service.
6. Engine oil is cloudy and engine
runs slowly in cold weather
•
Change to correct oil grade depending on the weather (temperature).
7. Low compression
•
Defective valve or excessively worn ring, piston, and liner will result in low compression.
•
Replace it with new one.
8. Battery discharged, or engine is
not running
•
Replace the battery.
•
Remove battery from the tractor and keep it in an indoor environment in cold weather.
Install the battery when you use the tractor.
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