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LT12DAB LIGHT TOWER • OPERATION MANUAL — REV. #0 (06/03/11) — PAGE 37
TROUBLESHOOTING
Table 9. Engine Troubleshooting
Symptom Possible Cause Solution
Engine does not start.
No fuel? Replenish fuel.
Air in the fuel system? Bleed system.
Water in the fuel system? Remove water from fuel tank.
Fuel pipe clogged? Clean fuel pipe.
Fuel filter clogged? Clean or change fuel filter.
Excessively high viscosity of fuel or engine
oil at low temperature?
Use the specified fuel or engine oil.
Fuel with low cetane number? Use the specified fuel.
Fuel leak due to loose injection pipe
retaining nut?
Tighten nut.
Incorrect injection timing? Adjust.
Fuel cam shaft worn? Replace.
Injection nozzle clogged? Clean injection nozzle.
Injection pump malfunctioning? Repair or replace.
Seizure of crankshaft, camshaft, piston,
cylinder liner or bearing?
Repair or replace.
Compression leak from cylinder?
Replace head gasket, tighten cylinder head
bolt, glow plug and nozzle holder.
Improper valve timing? Correct or replace timing gear.
Piston ring and liner worn? Replace.
Excessive valve clearance? Adjust.
Starter does not run.
Battery discharged? Charge battery.
Starter malfunctioning? Repair or replace.
Key switch malfunctioning? Repair or replace.
Wiring disconnected? Connect wiring.