Mercury 4 SERIES User Manual

6
GEAR HOUSING
90-857138R1 MAY 2000 Page 6-1
GEAR HOUSING
Section 6
Table of Contents
Specifications 6-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Special Tools 6-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Quicksilver Lubricants and Service Aids 6-3. . . . . . .
Gear Housing (Drive Shaft) 6-4. . . . . . . . . . . . . . . . . .
Gear Housing (Prop Shaft) 6-6. . . . . . . . . . . . . . . . . .
Draining and Inspecting Gear Housing
Lubricant 6-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Propeller Removal 6-8. . . . . . . . . . . . . . . . . . . . . . . . . .
Gear Housing Removal 6-9. . . . . . . . . . . . . . . . . . . . .
Gear Housing Disassembly 6-10. . . . . . . . . . . . . . . . .
Bearing Carrier 6-10. . . . . . . . . . . . . . . . . . . . . . . . .
Propeller Shaft 6-12. . . . . . . . . . . . . . . . . . . . . . . . .
Water Pump Housing and Impeller 6-13. . . . . . . .
Water Pump Base and Shift Shaft 6-14. . . . . . . .
Drive Shaft 6-17. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Forward Gear and Bearing 6-17. . . . . . . . . . . . . .
Lower Drive Shaft Needle Bearing 6-18. . . . . . . .
Zinc Anode 6-18. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Water Pickup Screen 6-19. . . . . . . . . . . . . . . . . . .
Cleaning and Inspection 6-19. . . . . . . . . . . . . . . . . . . .
Gear Housing/Bearing Carrier Castings 6-19. . .
Bearings 6-19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Forward, Reverse and Pinion Gears 6-20. . . . . .
Propeller Shaft 6-21. . . . . . . . . . . . . . . . . . . . . . . . .
Sliding Clutch 6-21. . . . . . . . . . . . . . . . . . . . . . . . . .
Cam Follower 6-21. . . . . . . . . . . . . . . . . . . . . . . . . .
Water Pump Components 6-21. . . . . . . . . . . . . . .
Drive Shaft 6-22. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shift Shaft 6-22. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gear Housing Reassembly 6-22. . . . . . . . . . . . . . . . .
Lower Drive Shaft Needle Bearing 6-22. . . . . . . .
Forward Gear Bearing 6-23. . . . . . . . . . . . . . . . . .
Forward Gear 6-24. . . . . . . . . . . . . . . . . . . . . . . . . .
Pinion Gear and Drive Shaft 6-24. . . . . . . . . . . . .
Water Pump Base and Shift Shaft 6-25. . . . . . . .
Propeller Shaft 6-27. . . . . . . . . . . . . . . . . . . . . . . . .
Bearing Carrier 6-29. . . . . . . . . . . . . . . . . . . . . . . . .
Impeller and Water Pump Housing 6-30. . . . . . . .
Zinc Anode 6-33. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Water Pickup Screen 6-33. . . . . . . . . . . . . . . . . . .
Gear Housing Installation 6-33. . . . . . . . . . . . . . . . . . .
Propeller Installation 6-35. . . . . . . . . . . . . . . . . . . . . . .
Filling Gear Housing with Lubricant 6-36. . . . . . . . . .
Specifications
GEAR HOUSING
(2.15:1)
Gear Ratio
Gearcase Capacity
Lubricant Type
Forward Gear
Number of Teeth
Pinion Gear
Number of Teeth
Pinion Height
Forward Gear Backlash
Water Pressure*:
@ 1300 rpm (Idle) Neutral
@ 5000 rpm
2.15:1
6.5 fl oz (195 mL)
Quicksilver Gear Lube-Premium Blend
28 Spiral/Bevel
13 Spiral/Bevel
Floating
No Adjustment
2.3 - 3.6 psi (16 - 25 kPa)
8 - 15 psi (55 - 103.5 kPa)
*Water pressure readings will vary with thermostat operation.

Mercury 4 SERIES Specifications

General

Brand	Mercury
Model	4 SERIES
Category	Outboard Motor
Language	English