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Check the following items:
• Lube oil leakage
Check both sides and bottom of the engine assembly for lube oil
leaks, paying particular attention to the lube oil pressure gauge
pipe joint, lube oil filter and lube oil pipe joints.
• Fuel leakage
Check the fuel injection pump, fuel lines and fuel filter for leakage.
• Coolant leakage
Check the radiator and water pump hose connections also the
water drain cocks on the radiator and cylinder body for leakage.
• Exhaust smoke or gas leakage.
Checking coolant level
The coolant level could drop depending on the equipment because the
mixed air is expelled in about 5 minutes after the engine started.
Stop the engine, remove radiator cap, and add coolant.
WARNING:
Hot steam will rush out and you could get burnt, if the radiator
cap is removed when the engine is hot.
Cover the radiator cap with a thick cloth and loosen the cap
slowly to reduce the pressure, then remove the cap.