Mercury 45 Jet 50-55 - MID-Section

5C-0 - MID-SECTION 90-8i7643R1 DECEMBER 1996
Table of Contents
Page
Power Trim General Information 5C-1. . . . . . . . . . . .
Description 5C-1. . . . . . . . . . . . . . . . . . . . . . . . . . .
Trimming Characteristics 5C-1. . . . . . . . . . . . . . .
Trimming Outboard “Up” (“Out”) 5C-1. . . . . . .
Trimming Outboard “Down” (“In”) 5C-1. . . . . .
Trailering Outboard 5C-2. . . . . . . . . . . . . . . . . . . .
Tilting Outboard Up and Down Manually 5C-2. .
Trim “In” Angle Adjustment 5C-2. . . . . . . . . . . . . .
Power Trim System Components 5C-3. . . . . . . . . . .
Torque Specifications 5C-3. . . . . . . . . . . . . . . . . .
Quicksilver Lubricant/Sealant Application
Points 5C-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Trim Flow Diagrams Design II 5C-4. . . . . . .
Design II 5C-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Design II 5C-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Design II 5C-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Design II 5C-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Design II 5C-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Design II 5C-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 5C-11. . . . . . . . . . . . . . . . . . . . . . . . .
Determining if Problem is Electrical or
Hydraulic 5C-11. . . . . . . . . . . . . . . . . . . . . . . . . .
Trouble Chart 5C-11. . . . . . . . . . . . . . . . . . . . . . . .
Hydraulic System Troubleshooting 5C-12. . . . . .
Preliminary Checks 5C-12. . . . . . . . . . . . . . . . . . .
Leak Down Check – Pump and Manifold
Assembly 5C-12. . . . . . . . . . . . . . . . . . . . . . . . . .
Leak Down Check – Pilot Valve
Assembly 5C-13. . . . . . . . . . . . . . . . . . . . . . . . . .
Leak Down Check – Manual Release
Valve 5C-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leakage Past Ball and Seat – Piston
Assembly 5C-13. . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting Flow Diagram 5C-14. . . . . . . . .
Troubleshooting Flow Diagram 5C-15. . . . . . . . .
Electrical System Troubleshooting 5C-16. . . . . . . . .
Page
COMMANDER 2000 Side Mount Remote
Control (Power Trim/Tilt Electric Start with
Warning Horn) Wiring Diagram 5C-16. . . . . . .
Power Trim System Wiring Diagram 5C-17. . . . .
Troubleshooting the “Down” Circuit*
(When “Up” Circuit is OK) 5C-18. . . . . . . . . . . .
Troubleshooting the “Up” Circuit*
(When “Down” Circuit Is OK) 5C-19. . . . . . . . .
Troubleshooting the “Down” and “Up” Circuits
(All Circuits Inoperative)* 5C-20. . . . . . . . . . . .
Power Trim System Removal 5C-21. . . . . . . . . . . . .
Power Trim System Disassembly 5C-22. . . . . . . . . .
Trim Rod Removal 5C-22. . . . . . . . . . . . . . . . . . . .
Trim Rod Disassembly 5C-23. . . . . . . . . . . . . . . .
Trim “Motor” Removal 5C-25. . . . . . . . . . . . . . . . .
Trim Motor Disassembly 5C-25. . . . . . . . . . . . . . .
Reservoir Assembly Removal 5C-26. . . . . . . . . .
Oil Pump/Manifold Removal 5C-27. . . . . . . . . . . .
Cleaning and Inspection of Trim Rod
Components 5C-28. . . . . . . . . . . . . . . . . . . . . . . . . .
Motor and Electrical Tests/Repair 5C-29. . . . . . . . . .
Trim Pump Motor Test 5C-29. . . . . . . . . . . . . . . . .
Thermal Overload Switch Test 5C-29. . . . . . . . . .
Motor Assembled 5C-29. . . . . . . . . . . . . . . . . .
Motor Disassembled 5C-29. . . . . . . . . . . . . . . .
Armature Tests 5C-30. . . . . . . . . . . . . . . . . . . . . . .
Test for Shorts 5C-30. . . . . . . . . . . . . . . . . . . . .
Test for Ground 5C-30. . . . . . . . . . . . . . . . . . . .
Checking and Cleaning Commutator 5C-30.
Power Trim System Re-assembly 5C-30. . . . . . . . .
Manifold/Oil Pump Installation 5C-30. . . . . . . . . .
Trim Motor Re-assembly 5C-31. . . . . . . . . . . . . . .
Reservoir Installation 5C-33. . . . . . . . . . . . . . . . . .
Trim Rod Re-assembly 5C-34. . . . . . . . . . . . . . . .
Trim Rod Installation 5C-35. . . . . . . . . . . . . . . . . .
Bleeding Power Trim Unit 5C-36. . . . . . . . . . . . . . . .
Power Trim Unit Installation 5C-37. . . . . . . . . . . .