1981 Johnson/Evinrude 4HP Outboards Service Manual, Page 71Get this manual
REASSEMBLY OF WEEDLESS EXHAUST HOUSING aLightly lubricate upper and lower pivot bearings with OMC Triple Guard GreasebAssemble upper and lower pivot bearings and dampeners to exhaust housing as shown in Figure 6-36Slip dampeners over bearingsPlace swivel bracket friction block in place (see Figure 6-37), and install exhaust housing assembly in swivel bracketc Apply bead of OMC Adhesive "M" to surfaces of swivel bracketSee Figure 6-37Dip swivel bracket attaching screws in OMC Gasket Sealing Compound and install aft half of swivel bracketTighten screws to specified torque6 81186
Figure 6-35Checking Parallelism
A drill press table with spindle locked to top of housing can also be used DO NOT attempt to straighten bent housing: replace itcInspect propeller shaft assemblypinion gear, and driveshaft splines for wearA bent exhaust housing will cause excessive crankshaft spline weardInspect bushings and thrust bearing eInspect water tube for clogging or kinksInspect water intake ports and clean if cloggedfInspect clamp screw assemblyReplace swivel plate if bent or looseTo install new swivel plate remove screw and old plate Apply OMC Locquic Primer Part No384884 to the threads of the screw and allow it to dry four to five minutes Then apply OMC Ultra Lock Part No388517 to threadsInstall new swivel plate with screw and tighten to torque specified in Section 2gInspect propeller for damage caused by striking underwater obstructionsIf bentcrackedor broken, replace propellerCheck rubber slip clutch and replace if worn or deterioratedNicks on propeller blades may be removed with file 1;&11(1)1 NOTE