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8. TROUBLESHOOTING TABLE
1. Engine does not start
Dirt in the fuel system. Water in the fuel system.
Clean fuel filter,fuel pipe and hose.Change fuel.
Fuel becomes too thick to flow freely.
Use Diesel fuel up to the specifications.
There is air in the fuel system.
Bleed the air in the fuel system.
Clean injector nozzle and injection pump.Replace
injector and pump if necessary. (*)
Injector nozzle is clogged and must be cleaned,
injection angle is incorrect, cyl.head gasket is
leaking and compression pressure is not sufficient.
Check the related parts. (*)
Interruption in fuel delivery.
Not enough fuel in the tank; add fuel. Check fuel
hose and filter for obstructions, clean if necessary.
Insufficient compression pressure.Cylinder head nuts not
properly tightened. Cylinder head gasket is leaking.
Tighten cylinder head nuts in proper order and to
the correct torque. Check cylinder head gasket. In
case new cylinder head gasket is used tighten
cylinder head nuts to the correct torque once again
before starting the engine.(*)
Piston rings gaps too high because of wear.
Piston rings gaps are lined causing compression loss.
Set piston rings gaps at 120° angle. (*)
Piston rings stuck in their grooves or broken.
Clean piston rings and grooves or replace piston
rings. (*)
Grind/lap valves and seats or replace valves. (*)
Incorrect valve clearance.
Adjust clearances as specified. (*)
Valve stem stuck to the valve guide
Disassemble valve and clean.(*)