Mercury 40 Service Manual

5
D
MANUAL TILT ASSIST
90-828631R3 MARCH 1999 Page 5D-1
MID-SECTION
Section 5D - Manual Tilt Assist
Table of Contents
Special Tools 5C-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual Tilt Components 5C-2. . . . . . . . . . . . . . . . . . .
Manual Trim Flow Diagrams 5C-4. . . . . . . . . . . . . . . .
Up Circuit 5C-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Down Circuit 5C-6. . . . . . . . . . . . . . . . . . . . . . . . . . .
Slow Tilt Down Under High Thrust 5C-8. . . . . . . .
Under Water Strike (Valves Open) 5C-10. . . . . . .
Shock Function (Valves Closed) 5C-12. . . . . . . . .
Shock Function Return 5C-14. . . . . . . . . . . . . . . . .
Hydraulic System Troubleshooting 5C-16. . . . . . . . . .
Manual Tilt System Removal 5C-18. . . . . . . . . . . . . . .
Manual Tilt System Disassembly 5C-19. . . . . . . . . . .
Accumulator Removal 5C-20. . . . . . . . . . . . . . . . . .
Shock Rod Removal 5C-21. . . . . . . . . . . . . . . . . . .
Shock Rod Disassembly 5C-21. . . . . . . . . . . . . . . . . .
Valve Block Removal 5C-24. . . . . . . . . . . . . . . . . .
Memory Piston Removal 5C-24. . . . . . . . . . . . . . .
Valve Block Disassembly 5C-26. . . . . . . . . . . . . . . . . .
Reassembly - O-Ring and Seal Placement 5C-27. .
Actual O-Ring Sizes 5C-28. . . . . . . . . . . . . . . . . . . . . .
O-Ring Description and Sizes 5C-29. . . . . . . . . . . . . .
Manual Tilt System Cleaning and Inspection 5C-29.
Manual Tilt System Reassembly 5C-29. . . . . . . . . . .
Valve Block Installation 5C-32. . . . . . . . . . . . . . . . .
Shock Rod Reassembly 5C-33. . . . . . . . . . . . . . . .
Shock Rod Installation and Fluid
Filling Procedure 5C-35. . . . . . . . . . . . . . . . . . . . . .
Filling Procedure Option Two Instructions
for Making Retaining Tool 5C-37. . . . . . . . . . . . . . . . .
Bleeding Manual Tilt System 5C-38. . . . . . . . . . . . . . .
Manual Tilt System Installation 5C-40. . . . . . . . . . . . .
Manual Release Valve Adjustment 5C-42. . . . . . .
Special Tools
1. Spanner Wrench P/N 91-74951
2. Heat Lamp P/N 91-63209
3. Lock-Ring Pliers P/N SRP-4 (Snap-On)
Address
Snap-On Tools Company
2801 - 80th Street
Kenosha, Wisconsin 53143
Phone 414.656.5200

Mercury 40 Specifications

General

Brand	Mercury
Model	40
Category	Outboard Motor
Language	English