1980 Johnson 4HP Service Manual, Page 25Get this manual
LEAF VALVES Inspect the lea1 valve assembIy and disassembIe i1 necessaryThe lea1 valves must all varnish and gum, and the leaves must per1ectly 11at and without distortion so that they per1ect seal with the lea1 plate baseSee Figure 3-12 PLUGS If leakage occurs at plug smart tap with mallet and flat end punch in the center of the plug will normally correct this condition See Figure 3-13If necessary, move plug to clean out slow speed orifice holesSee Figure 3-14
00 NOT attempt to bend repair damaged lea1; replace the complete assembIy i1 damaged00 NOT under circumstances bend flex the leaves hand Replace the leaf stop i1 broken leaves
dClearance under lea1 stop should 14" (6.35 adjust i1 necessary bending leaf stopSee Figure 3-12
1Lea1 plate 2Lea1 valve 3Lea1 stop