Disassembly; Cleaning - Mercury MerCruiser D2.8L D-Tronic Service Manual

SERVICE MANUAL NUMBER 22

Disassembly

1. Lock the pressure relief valve assembly in a soft-jawed vise.
Use caution when removing or installing snap-ring. There is high spring pressure
against cap. Wear safety glasses.
2. Put on safety glasses.
3. Push cap in and hold. Remove snap-ring. Release spring pressure slowly.
4. Remove cap, spring or springs, and relief valve from bore of the valve assembly.
NOTE: Some oil pressure relief valves have only one spring.

Cleaning

1. Clean gaskets from cylinder block and pan flanges.
2. Wash all parts in cleaning solvent and dry with compressed air.
90-860074--1 FEBRUARY 2002
b
70284
a - Cap
b - Snap-Ring
c - Valve Assembly (Seat/Body)
a
a - Cap
b - Spring (Inner - Present If Dual Spring Equipped)
c - Spring
d - Relief Valve
WARNING
a
c
b
ENGINE MECHANICAL
c
70285
d
70283
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