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TROUBLE
Machine accelerates slowly
Oil leakages from engine propeller
shaft and/or pump
CAUSE
• Engine power drop.
• Pressure relief valve setting incor-
rect.
• Sealing rings faulty.
• Counterpressure in pump casing.
• By-pass valve setting too high.
TROUBLESHOOTING
REMEDY
(•) Check clogging of diesel oil filter,
injection pump and valves.
(•) Set to rated value.
(•) Change.
(•) Drain pipes clogged or damaged.
(•) Check and restore.
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