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21. Check the shaft extension and keyway for burrs. Cover the shaft and keyway with a thin
protective installation sleeve. Push the oil seal (26) into the seal adaptor (25). Install the seal
adaptor gasket (52), seal and adaptor to the end cover (14) using four screws (46) and two
dowels (43). Slide the end cover assembly over the shaft extension FIGURE 7-21 and mount the
cover to the bearing carrier with screws (46) and washers (51). Remove the protective
installation sleeve. Drive dowels (58) into end cover/bearing carrier holes. Install drive key (42).
The third important measurement
for clearance is to provide for floating bearings at the gear
end.
FIGURE 7-21 – END COVER ASSEMBLY
FIGURE 7-22 – BEARING BORE
FIGURE 7-23 – DEPTH MICROMETER
