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Mercury 45 Jet 50-55 - Troubleshooting Flow Chart

Mercury 45 Jet 50-55
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MID-SECTION - 5F-1990-817643R1 DECEMBER 1996
Troubleshooting Flow Chart
Outboard falls to full down position with manual re-
lease valve lever in LOCK/RUN (up) position. Ex-
ample a: Outboard lowers more than one tilt pin
hole in eight hours, Example b: Outboard lowers
during acceleration.
Inspect memory piston O-ring.
O-ring defect.
Replace defective O-ring.
O-ring appears to be o.k., cylinder bore and
memory piston are o.k. Replace O-rings and
proceed.
Inspect Transfer Valve.
No debris or defective components found.
Replace valve block.
Debris or defective components found in
transfer valve.
Clean components using engine cleaner and
compressed air or replace as necessary.
Results Results
Results Results
Tilt ram must be in full “up” position and accu-
mulator removed before manual tilt system
disassembly.
CAUTION

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