Power Trim: Oildyne Trim Pump - Mercury BRAVO Service Manual

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