SERVICE MANUAL NUMBER 28
OILDYNE TRIM PUMP
Trim Cylinder Shock Piston Test
If all previous trim system test results meet specifications, but sterndrive unit will not
trim IN/DOWN, the problem may be a leaky trim cylinder shock piston. Use the follow-
ing test to check for this condition. No test gauge required.
1.
2.
Run the pump in the OUT/UP direction until the trim cylinders are fully extended.
Use a suitable devise to keep trim cylinder piston rods from retracting. The Quicksilver
Trailering Kit works well for this purpose.
a
22562
a - Trailering Clip
3.
Disconnect the UP trim hose from trim cylinders.
b
a
50389
a - UP Trim Hose
b - Front Connection
4.
Run the pump in the IN/DOWN direction. If oil flows from the UP port on the trim cylinder,
the shock piston is leaking and must be replaced.
INDEX
90-863160
MAY 2000
Page 5A-15
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | MerCruiser Sterndrives 90-863160 |
| Model Year | 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(1 votes, average: 3 out of 3)
Marine readers have rated Mercury MerCruiser Bravo Outdrives Sterndrives Marine Engines Service Manual Number 28 3.0 out of 3.0 based on 1 product reviews. I could not find any mention of the seawater pump assembly.
Maybe I have the wrong unit