Mariner 80 - Design I 6 a

90-13645--2 495
Table Of Contents
Page Page
Power Trim - General Information 6A-1. . . . . . . . . .
Description 6A-1. . . . . . . . . . . . . . . . . . . . . . . . . . .
Trimming Characteristics 6A-1. . . . . . . . . . . . . . .
Trimming Outboard “UP” (Out) 6A-1. . . . . .
Trimming Outboard “DOWN” (In) 6A-1. . . .
Trailering Outboard 6A-1. . . . . . . . . . . . . . . . . . . .
Tilting Outboard Manually 6A-2. . . . . . . . . . . . . .
Trim “In” Angle Adjustment 6A-2. . . . . . . . . . . . .
Striker Plate Replacement 6A-3. . . . . . . . . . . . .
Anode Plate 6A-3. . . . . . . . . . . . . . . . . . . . . . . . . .
Trim Indicator Gauge 6A-3. . . . . . . . . . . . . . . . . .
Fill, Check, and Purge -
Power Trim System 6A-3. . . . . . . . . . . . . . . .
To Fill 6A-3. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bleeding Air From Power Trim System 6A-4. . .
Troubleshooting 6A-5. . . . . . . . . . . . . . . . . . . . . . . . . .
Determining if Problem is Electrical or
Hydraulic 6A-5. . . . . . . . . . . . . . . . . . . . . . . . .
Trouble Chart 6A-5. . . . . . . . . . . . . . . . . . . . . . . . .
Hydraulic System Troubleshooting 6A-6. . . . . . . . . .
Wiring Diagram 6A-7. . . . . . . . . . . . . . . . . . . . . . . . . .
Trim Indicator Gauge and Trim
Sender Wiring Diagrams 6A-7. . . . . . . . . . . .
Side Mount Remote Control
Wiring Diagram 6A-8. . . . . . . . . . . . . . . . . . . .
Electrical System
Troubleshooting 6A-11. . . . . . . . . . . . . . . . . . . . . .
General Checks 6A-11. . . . . . . . . . . . . . . . . . . . . .
Troubleshooting the “Trailer” Circuit*
(When “Up” Circuit Is OK) 6A-11. . . . . . . . . . .
Troubleshooting the “Up” and “Trailer”
Circuits* (Both Circuits Inoperative:
“Down” Circuit Is OK) 6A-11. . . . . . . . . . . . . . .
Troubleshooting the “Down,” “Up” and
“Trailer” Circuits*
(All Circuits Inoperative) 6A-12. . . . . . . . . . . .
Troubleshooting the “Up” Circuit*
(When “Trailer” Circuit Is OK) 6A-12. . . . . . . .
Troubleshooting the “Down,” “Up” and
“Trailer” Circuits*
(All Circuits Inoperative) 6A-13. . . . . . . . . . . .
Troubleshooting the “Down” Circuit
(When “Up” Circuit Is OK) 6A-14. . . . . . . . . . .
Troubleshooting the “Up” Circuit*
(When “Down” Circuit Is OK) 6A-15. . . . . . . .
Troubleshooting the “Down” and “Up”
Circuits* (All Circuits Inoperative) 6A-16. . . .
Power Trim Assembly Removal and
Installation 6A-17. . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal 6A-17. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Support Tool 6A-17. . . . . . . . . . . . . . . . . . . . . .
Installation 6A-19. . . . . . . . . . . . . . . . . . . . . . . . . . .
Testing Power Trim System with Test
Gauge Kit (91-52915A3) 6A-20. . . . . . . . . . . .
“UP” Pressure Check 6A-21. . . . . . . . . . . . . . . . . .
“DOWN” Pressure Check 6A-22. . . . . . . . . . . . . .
Power Trim Components 6A-24. . . . . . . . . . . . . . . . . .
Hydraulic Repair 6A-26. . . . . . . . . . . . . . . . . . . . . .
Trim Rod Removal And Repair 6A-26. . . . . .
Cleaning And Inspection - Trim
Rods and Caps 6A-26. . . . . . . . . . . . . . . .
Trim Rod End Cap Seal 6A-27. . . . . . . . . . . . . . . .
Trim Rod Installation 6A-27. . . . . . . . . . . . . . .
Tilt Ram Components 6A-28. . . . . . . . . . . . . . . . . . . . .
Tilt Ram 6A-29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal 6A-29. . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembly 6A-29. . . . . . . . . . . . . . . . . . . . . .
Cleaning and Inspection 6A-31. . . . . . . . . . . .
Scraper Replacement 6A-31. . . . . . . . . . . . . .
Reassembly 6A-32. . . . . . . . . . . . . . . . . . . . . .
Installation 6A-33. . . . . . . . . . . . . . . . . . . . . . . .
Pump Replacement 6A-34. . . . . . . . . . . . . . . . . . . . . .
Operative Trim Motor 6A-34. . . . . . . . . . . . . . .
Inoperative Trim Motor 6A-34. . . . . . . . . . . . .
Motor and Electrical Tests/Repair 6A-35. . . . . . . . . . .
Thermal Overload Switch Test 6A-35. . . . . . . . . .
Motor Assembled 6A-35. . . . . . . . . . . . . . . . . .
Motor Disassembled 6A-36. . . . . . . . . . . . . . .
Trim Pump Motor Test 6A-36. . . . . . . . . . . . . . . . .
Solenoid Test 6A-36. . . . . . . . . . . . . . . . . . . . . . . . .
Motor Disassembly 6A-36. . . . . . . . . . . . . . . . . . . .
Armature Tests 6A-37. . . . . . . . . . . . . . . . . . . . . . .
Test for Shorts 6A-37. . . . . . . . . . . . . . . . . . . . .
Test for Ground 6A-37. . . . . . . . . . . . . . . . . . . .
Checking and Cleaning Commutator 6A-37.
Field Tests 6A-37. . . . . . . . . . . . . . . . . . . . . . . . . . .
Trim Sender (Optional Accessory) Test 6A-38. .
Trim Indicator Gauge (Optional Accessory)
Needle Adjustment 6A-38. . . . . . . . . . . . . . . . .
Motor Repair 6A-38. . . . . . . . . . . . . . . . . . . . . . . . .
Removal 6A-38. . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembly 6A-38. . . . . . . . . . . . . . . . . . . . . .
Cleaning AND Inspection 6A-38. . . . . . . . . . .
“Square” Motor Components 6A-39. . . . . . . . . . . . . . .
Reassembly 6A-40. . . . . . . . . . . . . . . . . . . . . . . . . .
Brush Replacement 6A-42. . . . . . . . . . . . . . . . . . .