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TRIM AND TILT
ROUTINE INSPECTIONS
ROUTINE INSPECTIONS
General
Check for external signs of fluid leakage. Correct
causes as necessary.
Check the battery to be sure it is in good operating
condition.
Reservoir Fluid
Check reservoir fluid level at least every three
years or 300 operating hours. System capacity is
approximately:
• 40 - 60 HP: 15.2 fl. oz. (450 ml)
• 75 - 90 HP: 21 fl. oz. (620 ml)
IMPORTANT: Use only Evinrude/Johnson Bio-
degradable TNT Fluid to fill the hydraulic system.
Refer to Trim and Tilt on p. 45 for filling proce-
dure.
Manual Release Valve
Check the manual release valve with a torque
wrench.
IMPORTANT: Tighten valve to a torque of 45 to
55 in. lbs. (5 to 6 N·m).
Stern Brackets
Inspect the stern brackets for binding.
Tighten starboard tilt tube nut to a torque of 45 to
50 ft. lbs. (61 to 68 N·m).
TROUBLESHOOTING
Use the following guidelines to check a single pis-
ton trim/tilt unit that is not working correctly.
Cylinder Leakdown:
• Manual release valve seals
• External leaks
No reverse lock:
• External leaks
No operation, motor runs:
• Manual release valve open
• Fluid level low
• Pump coupler
• Hydraulic pump
No tilt down:
• Manual release valve
• Fluid level
Slow performance:
• Manual release valve
• Fluid level low
• Mechanical binding
• Electric motor
• Hydraulic pump
Unit locked in tilt up:
• Mechanical binding
• Hydraulic pump
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