Yanmar Lx410 Operator's Manual page 158

The problem is:
There is white smoke
coming from the
engine
Lx410/450/490 Operator's Manual
17. TROUBLESHOOTING
The possible cause(s) are:
1. A problem in the fuel
2. A problem in the cooling
3. A problem in the lubrication
4. A problem in the engine mechanical
Remedy:
1. Fuel system
• Check whether the fuel injection
pump is out of timing.
• contact YOUR LOCAL YANMAR
TRACTOR DEALER
2. Cooling system
• Check whether the coolant
temperature is too low.
• contact YOUR LOCAL YANMAR
TRACTOR DEALER
3. Lubrication system
• Check whether the engine oil level is
over filled.
• drain the engine oil to the specified
level
4. Engine mechanical system
• Check whether the valve clearance is
correct.
• contact YOUR LOCAL YANMAR
TRACTOR DEALER
• Check whether the pistons ring is
worn out.
• contact YOUR LOCAL YANMAR
TRACTOR DEALER
• Check whether the compression
pressure is too low.
• contact YOUR LOCAL YANMAR
TRACTOR DEALER
• Check whether the cylinder liner are
damage.
• contact YOUR LOCAL YANMAR
TRACTOR DEALER
17-7