Manual release valve and/or O-
ring damage.
Manual release valve and O-rings
appear to be OK. Replace O-
rings.
Replace defective valve and O-
rings.
O-rings appear to be OK. Cylin-
der bore and memory piston are
OK. Replace O-rings and pro-
ceed.
Inspect O-rings on Pilot Relief
Valve (located in manifold assem-
bly).
O-ring failure.
Replace O-rings.
O-rings appear to be OK. Re-
place O-rings.
Inspect Memory Piston
O-ring.
Inspect Manual Release
Valve.
Outboard falls to full down position with manu-
al release valve closed.
Example a: Outboard lowers more than one
tilt bolt hole in eight hours.
Example b: Outboard lowers during acceler-
ation.
Result
Result
Result
Results
Results
All components appear to be OK.
Replace Manifold and Pump Assembly.
Results
O-ring or Cylinder Bore Defective.
Replace O-ring or Components.
Results
MID-SECTION - 5D-790-817643R1 DECEMBER 1996
Troubleshooting Flow Diagram
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