3 Check the actual oil pressure.
AHEAD - go to 4
4 - Remove the switch and fit the special tool with the relevant gasket.
Specific tooling
020193Y Oil pressure check gauge
020434Y Oil pressure check fitting
- Remove the dipstick with the oil filling cap and insert a cap fitted with the temperature probe supplied
with the special tool. Insert the probe to feel contact with the crankcase bottom and pull back a few
millimetres.
Specific tooling
020331Y Digital multimeter
AHEAD - go to 5
5 - Measure the pressure with cold and idling engine.
STANDARD VALUES
Specification
Desc./Quantity
20°C Temperature
1400 rpm
approx. 4.5 bar
N.B.
RPM CAN BE MEASURED BOTH BY THE EXHAUST GAS ANALYSER AND BY THE DIAGNOSTIC
TESTER
Specific tooling
020680Y Diagnosis Tool
YES go to 6 NO go to 12
6 - Let the engine warm up and repeat the check with hot oil.
STANDARD VALUES
Specification
Desc./Quantity
80°C Temperature
1400 rpm
approx. 1.5 bar
YES go to 7 NO go to 8
7 - Replace the oil minimum pressure switch.
Beverly 500 i.e. Engine
ENG - 155
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