Mercury 45 Jet 50-55 - Lower Unit

6A-0 - LOWER UNIT 90-817643R1 DECEMBER 1996
Table of Contents
Page
Drive Shaft and Water Pump Components 6A-1. . . . . . . .
Torque Specifications 6A-1. . . . . . . . . . . . . . . . . . . . . . .
Lubrication/Sealant Application Points 6A-1. . . . . . . . .
Propeller Shaft Components 6A-2. . . . . . . . . . . . . . . . . . . .
Torque Specifications 6A-2. . . . . . . . . . . . . . . . . . . . . . .
Lubrication/Sealant Application Points 6A-2. . . . . . . . .
Special Tools 6A-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Quicksilver Lubricants and Service Aids 6A-3. . . . . . . . . .
New Tools Required for 50-60 Gear Housing 6A-3. . . . . .
Draining and Inspecting Gear Lubricant 6A-5. . . . . . . . . .
Propeller Removal 6A-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gear Housing Removal 6A-6. . . . . . . . . . . . . . . . . . . . . . . .
Gear Housing Disassembly 6A-7. . . . . . . . . . . . . . . . . . . . .
Water Pump 6A-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bearing Carrier and Propeller Shaft 6A-8. . . . . . . . . . .
Propeller Shaft Disassembly 6A-10. . . . . . . . . . . . . . . .
Pinion Gear, Driveshaft and Forward Gear 6A-11. . . .
Upper Driveshaft Bearing 6A-11. . . . . . . . . . . . . . . . . . .
Lower Driveshaft Bearing 6A-12. . . . . . . . . . . . . . . . . . .
Forward Gear Bearing Race 6A-12. . . . . . . . . . . . . . . .
Shift Shaft 6A-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Page
Gear Housing Re-assembly 6A-13. . . . . . . . . . . . . . . . . . .
Shift Shaft 6A-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Propeller Shaft 6A-14. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Forward Gear Bearing Race 6A-15. . . . . . . . . . . . . . . .
Bearing Carrier 6A-15. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reverse Gear 6A-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Forward Gear 6A-17. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lower Driveshaft Bearing Installation 6A-17. . . . . . . .
Upper Driveshaft Bearing Installation 6A-18. . . . . . . .
Forward Gear, Pinion Gear, Upper Driveshaft
Bearing Race, Retainer and Driveshaft
Installation 6A-18. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pinion Gear Location and Forward Gear
Backlash 6A-19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Determining Pinion Gear Location 6A-19. . . . . . . .
Determining Forward Gear Backlash 6A-20. . . . . .
Bearing Carrier and Propeller Shaft
Installation 6A-21. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Water Pump Re-assembly and Installation 6A-22. . . .
Gear Housing Pressure Test 6A-24. . . . . . . . . . . . . . . . . . .
Gear Housing Installation 6A-24. . . . . . . . . . . . . . . . . . . . . .
Filling Gear Housing with Lubricant 6A-24. . . . . . . . . .
Gear Housing Installation 6A-25. . . . . . . . . . . . . . . . . . .
Propeller Installation 6A-26. . . . . . . . . . . . . . . . . . . . . . .
Trim Tab Adjustment and Replacement 6A-27. . . . . . .