Beta Marine BV1903 Operator's Maintenance Manual page 16

Problem: High oil consumption
Possible Cause
Oil leaks:
Piston rings worn:
Valve stem and guide worn:
Piston rings gap facing the
same direction:
Problem: Water in lubricating oil (heat exchanger cooled)
Possible Cause
Oil goes "milky" due to seawater
entering exhaust manifold:
Problem: Water in lubricating oil (general)
Possible Cause
Core plug pushed out due to
frozen block:
Water pump seal damaged:
Problem: Water in lubricating oil (keel cooled)
Possible Cause
Oil goes "milky" due to water
entering exhaust manifold and ensuring rain water cannot enter the exhaust port and run back?
then into the sump:
Problem:
Low oil pressure warning light comes on when engine speed reduced to tick over:
Possible Cause
Faulty switch sender:
Engine running too hot:
Oil relief valve stuck partially
open with dirt:
Blocked oil filter:
Wiring fault:
Insufficient oil:
Problem: Panel rev counter not working (when fitted)
Possible Cause
No W connection to alternator: Check output from 'W' connection. Should be about 9V AC
Wiring fault:
Solution
Check for leaks.
Overhaul required.
Overhaul required.
Shift ring gap position.
Solution
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.
Solution
Service Agent to check and replace.
Service Agent to check and replace.
Solution
Check installation - has dry exhaust system been fitted correctly,
(See DRY EXHAUST SYSTEM) Change engine oil and run
engine for 10 minutes each time to eliminate any water. Get
injection pump checked by Service Agent.
Solution
Replace.
Check cooling water flow (see section 2 Cooling).
Remove and clean.
Change.
Check circuit.
Top up and check for leaks.
Solution
Check circuit
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