Mercury 45 Jet 50-55 - MID-Section

5D-0 - MID-SECTION 90-817643R1 DECEMBER 1996
Table of Contents
Page
Special Tools 5D-1. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Trim - General Information 5D-1. . . . . . . . . .
Description 5D-1. . . . . . . . . . . . . . . . . . . . . . . . . . .
Trimming Characteristics 5D-1. . . . . . . . . . . . . . .
Trimming Outboard “Up” (“Out”) 5D-1. . . . . . .
Trimming Outboard “Down” (“In”) 5D-1. . . . . .
Trailering Outboard 5D-2. . . . . . . . . . . . . . . . . . . .
Tilting Outboard Up and Down Manually 5D-2. .
Trim “In” Angle Adjustment 5D-2. . . . . . . . . . . . . .
Power Trim System Components 5D-3. . . . . . . . . . .
Troubleshooting 5D-4. . . . . . . . . . . . . . . . . . . . . . . . . .
Determining if Problem is Electrical or
Hydraulic 5D-4. . . . . . . . . . . . . . . . . . . . . . . . . . .
Hydraulic System Troubleshooting 5D-5. . . . . . .
Preliminary Checks 5D-5. . . . . . . . . . . . . . . . . . . .
Leak Down Check - Pump and Manifold
Assembly 5D-5. . . . . . . . . . . . . . . . . . . . . . . . . . .
Leak Down Check - Pilot Valve
Assembly 5D-6. . . . . . . . . . . . . . . . . . . . . . . . . . .
Leak Down Check - Manual Release
Valve 5D-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leaks Past Ball and Seat - Piston
Assembly 5D-6. . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting Flow Diagram 5D-7. . . . . . . . . .
Troubleshooting Flow Diagram 5D-8. . . . . . . . . .
Electrical System Troubleshooting 5D-9. . . . . . .
Commander 2000 Side Mount Remote
Control (Power Trim/Tilt Electric Start with
Warning Horn) Wiring Diagram 5D-9. . . . . . . .
Power Trim System Wiring Diagram 5D10. . . . . .
Troubleshooting the “Down” Circuit*
(When “Up” Circuit is OK) 5D-11. . . . . . . . . . . .
Troubleshooting the “Up” Circuit*
(When “Down” Circuit Is OK) 5D-12. . . . . . . . .
Troubleshooting the “Down” and “Up” Circuits
(All Circuits Inoperative)* 5D-13. . . . . . . . . . . .
Page
Power Trim System Removal 5D-14. . . . . . . . . . . . .
Power Trim System Disassembly 5D-15. . . . . . . . . .
Trim Rod Removal 5D-15. . . . . . . . . . . . . . . . . . . .
Trim Rod Disassembly 5D-16. . . . . . . . . . . . . . . .
Trim “Motor” Removal 5D-18. . . . . . . . . . . . . . . . .
Trim “Motor” Disassembly 5D-18. . . . . . . . . . . . . .
Reservoir Assembly Removal 5D-18. . . . . . . . . .
Manifold Removal 5D-19. . . . . . . . . . . . . . . . . . . .
Cleaning and Inspection of Trim Rod
Components 5D-20. . . . . . . . . . . . . . . . . . . . . . . . . .
Motor and Electrical Tests/Repair 5D-20. . . . . . . . . .
Trim Pump Motor Test 5D-20. . . . . . . . . . . . . . . . .
Armature Tests 5D-20. . . . . . . . . . . . . . . . . . . . . . .
Test for Shorts 5D-20. . . . . . . . . . . . . . . . . . . . .
Test for Ground 5D-20. . . . . . . . . . . . . . . . . . . .
Checking and Cleaning Commutator 5D-21.
Power Trim System Reassembly 5D-21. . . . . . . . . .
Manifold Installation 5D-21. . . . . . . . . . . . . . . . . . .
Trim Motor Reassembly 5D-22. . . . . . . . . . . . . . .
Reservoir Installation 5D-23. . . . . . . . . . . . . . . . . .
Trim Rod Reassembly 5D-24. . . . . . . . . . . . . . . . .
Trim Rod Installation 5D-25. . . . . . . . . . . . . . . . . .
Purging Power Trim Unit 5D-26. . . . . . . . . . . . . . . . .
Power Trim Unit Installation 5D-26. . . . . . . . . . . .