SERVICE MANUAL NUMBER 28
OILDYNE TRIM PUMP
POWER TRIM
Section 5A - Oildyne Trim Pump
Table of Contents
Trim Pump Specifications . . . . . . . . . . . . . . 5A-2
Valve Pressure Specifications . . . . . . . . 5A-2
Electrical Specification . . . . . . . . . . . . . . 5A-2
Torque Specification . . . . . . . . . . . . . . . . 5A-2
Special Tools . . . . . . . . . . . . . . . . . . . . . . . 5A-2
Lubricants / Sealants / Adhesives . . . . . 5A-2
Trim Pump Exploded View . . . . . . . . . . . . . 5A-3
Oildyne Trim Pump . . . . . . . . . . . . . . . . . 5A-3
Maintaining Power Trim Pump Oil Level . . 5A-4
Air Bleeding Power Trim System . . . . . . . . 5A-5
Bleeding OUT/UP Trim Circuit . . . . . . . . 5A-5
Bleeding IN/DOWN Trim Circuit . . . . . . 5A-5
Testing Power Trim Pump . . . . . . . . . . . . . . 5A-6
Test Gauge . . . . . . . . . . . . . . . . . . . . . . . . 5A-6
Internal Restriction Test . . . . . . . . . . . . . 5A-7
OUT/UP Pressure Test . . . . . . . . . . . . . . 5A-8
IN/DOWN Pressure Test . . . . . . . . . . . . 5A-10
Trim Pump Hydraulic System . . . . . . . . 5A-11
Trim Cylinder Internal Leak Test . . . . . . . . 5A-12
Trim Cylinder Shock Piston Test . . . . . 5A-15
Motor and Electrical Bench Tests . . . . . . . 5A-16
Trim Pump Motor Test (In Boat) . . . . . 5A-16
Trim Pump Motor Test (Out of Boat) . . 5A-18
Solenoid Test (Pump In Boat) . . . . . . . 5A-19
Solenoid Test (Pump Out of Boat) . . . 5A-20
Hydraulic Repair . . . . . . . . . . . . . . . . . . . . . 5A-25
Disassembly . . . . . . . . . . . . . . . . . . . . . . 5A-25
Filter Replacement . . . . . . . . . . . . . . . . . 5A-27
UP Pressure Relief
Valve Replacement . . . . . . . . . . . . . . . 5A-28
DOWN Pressure Relief
Valve Replacement . . . . . . . . . . . . . . . 5A-29
Thermal Relief Valve Replacement . . 5A-30
Pump Replacement . . . . . . . . . . . . . . . . 5A-30
Adapter Replacement . . . . . . . . . . . . . . 5A-31
Adapter Repair . . . . . . . . . . . . . . . . . . . . 5A-33
Pump Shaft Oil Seal Replacement . . . 5A-37
Motor Repair . . . . . . . . . . . . . . . . . . . . . . . . 5A-39
Disassembly . . . . . . . . . . . . . . . . . . . . . . 5A-39
Armature Tests . . . . . . . . . . . . . . . . . . . . . . 5A-42
Continuity Test . . . . . . . . . . . . . . . . . . . . 5A-42
Test for Shorts . . . . . . . . . . . . . . . . . . . . 5A-43
Cleaning Commutator . . . . . . . . . . . . . . 5A-43
Field Tests . . . . . . . . . . . . . . . . . . . . . . . . . . 5A-43
Test for Open Circuit . . . . . . . . . . . . . . . 5A-43
Test for Short in Field . . . . . . . . . . . . . . 5A-44
Thermal Switch Continuity Test . . . . . . 5A-45
Brush Replacement . . . . . . . . . . . . . . . . 5A-46
Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . 5A-49
Trim Pump Installation . . . . . . . . . . . . . . . . 5A-55
Trim Pump Wiring Diagrams . . . . . . . . . . . 5A-56
Model With Three-Button
5
A
110
110
Amp Fuse Test (Pump in Boat) . . 5A-22
Amp Fuse Test (Pump
Out of Boat) . . . . . . . . . . . . . . . . . . . . . . 5A-22
Trim/Trailer Panel . . . . . . . . . . . . . . . . . 5A-56
Model With Trim In Handle and
Trailer Switch Separate . . . . . . . . . . . . 5A-57
20
Amp Fuse Test . . . . . . . . . . . . . . . . . 5A-23
Trim Pump Removal . . . . . . . . . . . . . . . . . . 5A-23
INDEX
90-863160
MAY 2000
Page 5A-1
| 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