OILDYNE TRIM PUMP
SERVICE MANUAL NUMBER 28
IN/DOWN Pressure Test
NOTE: The numbers in parentheses, e.g. (3), refer to the trim pump hydraulic system dia-
gram.
1.
2.
Close valve “A” and open valve “B.”
Run the pump IN/DOWN while observing the gauge. The reading should be 400-600
psi (2759-4138 kPa).
If gauge reading is within specifications, proceed to step 3.
If gauge reading is NOT within specifications, perform the following.
Replace DOWN Pressure
Release Valve (6) and Retest
Proceed to
Step 3
Reading OK
Reading NOT OK
Install Trim Pump
Rebuild Kit
Proceed to
Step 3
Reading OK
Reading NOT OK
Replace Adaptor (2)
3.
Run pump IN/DOWN until gauge reading reaches 400-600 psi (2759-4138 kPa). Stop
pumping IN/DOWN. Pressure should not fall below 350 psi (2414 kPa).
If gauge reading above 350 psi (2414 kPa), DOWN Pressure Test completed.
If gauge reading below 350 psi (2414 kPa), perform the following:
Down
Check For External Oil Leaks;
Correct (5) And Retest
Pressure
Test
Completed
Reading OK
Reading NOT OK
Down
Pressure
Test
Install Trim Pump
Rebuild Kit And Retest(1)
Reading OK
Completed
Reading NOT OK
Replace Adaptor (2)
INDEX
Page 5A-10
90-863160 MAY 2000
| 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