Beta Marine BD722 - Troubleshooting: Oil and Water Contamination; High Oil Consumption and Water in Oil

17
PROBLEM: LOW POWER OUTPUT
Possible Cause
Blocked fuel filter:
Blocked air filter:
Air in fuel system:
Governor spring incorrectly mounted:
Single lever control not operating
correctly:
The electrical load is too large on start
up.
Solution
Replace.
Replace.
Check system.
Dealer to adjust.
Disconnect speed control cable and move the lever by hand. Adjust cable.
Disconnect or reduce the load.
PROBLEM: HIGH OIL CONSUMPTION
Oil leaks:
Piston rings worn:
Valve stem and guide worn:
Piston rings gap facing the same
direction:
Check for leaks.
Overhaul required.
Overhaul required.
Shift ring gap position.
Possible Cause Solution
Core plug pushed out due to frozen
block:
Water pump seal damaged
Service Agent to check and replace.
Service Agent to check and replace.
Possible Cause Solution
PROBLEM: WATER IN LUBRICATING OIL - (Heat exchanger cooled)
Oil goes “milky” due to sea water
entering exhaust manifold and then
into the sump:
Check installation - has anti-siphon valve been fitted? Change engine oil and run
engine for 10 minutes each time to eliminate any water
. Get fuel injection pump
and compression checked by Service Agent.
Possible Cause Solution
PROBLEM: WATER IN LUBRICATING OIL - (K
eel cooled)
Oil goes “milky” due to water entering
exhaust manifold and then into the
sump:
Check installation – has dr
y exhaust system been fitted correctly
, ensuring rain
water cannot enter the exhaust port and run back? (See DRY EXHAUST SYSTEM)
Change engine oil and run engine for 10 minutes each time to eliminate any
water
. Get fuel injection pump checked by Ser
vice Agent.
Possible Cause Solution
PROBLEM: WATER IN LUBRICATING OIL - (General)