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 procedure.
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 piston 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
