1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 306Get this manual

1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 306

IMPACT RELIEF 1When the engine hits an underwater obstruction, extreme pressure develops above the piston (b)2The extreme
pressure, five IMPACT relief valves and one UP relief valve will open to allow fluid to pass through the piston as the cylinder
rod extends4To return the engine to its original operating position after impact, the hydraulic unit must be operated in