SERVICE PROCEDURES REQUIRING MAJOR DISASSEMBLY
SERVICE MANUAL NUMBER 28
3.
4.
Replace hose and hose clamps.
Tighten hose clamps securely.
IMPORTANT: Hose and clamps are installed on bell housing hose barb and through
bulkhead fitting,before through bulkhead fitting is reinstalled.
a
b
c
76664
a - Hose - 10 in. (254 mm)
b - Hose Clamps
c - Through Bulkhead Fitting
BELL HOUSING TO DRIVE SHAFT HOUSING CHECK VALVES
Unless damaged during disassembly, or by heat, these check valves should last the life of
the drive unit.
The bell housing check valve is replaced as an assembly.
Removal
1.
The bell housing check valve can be removed with pliers and discarded, or it can be
removed by placing hose clamp snugly over area “f,” and pulling out, with pliers on hose
clamp and reinstalled if working properly.
2.
The drive shaft housing check valve can be removed by retracting the seal cup with a
pliers or hook and discarded. Remove the check valve and spring and discard.
e
f
c
b
a
d
50321
a - Seal Cup
b - Check Ball
c - Spring
d - Check Valve Assembly
e - O-rings (2)
f - Area to Secure Hose Clamp for Retraction
INDEX
Page 4B-36
90-863160 MAY 2000
Product Specification
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 |
I could not find any mention of the seawater pump assembly.
Maybe I have the wrong unit