2006 Johnson SD 30 HP 4 Stroke Outboards Service Manual, PN 5006592, Page 178Get this manual
MIDSECTION TILT ASSIST CYLINDER
TILT ASSIST CYLINDER&WARNING
Removal
Raise the engine to the full tilt position and lower the manual tilt lock levers
The tilt assist cylinder contains high pressure gasTo avoid personal injury, it must not be disassembled, punctured, incinerated, or exposed to heat
Manual tilt lock lever (2)
WARNING