Evinrude 4906B 4HP 1969, Owner'S Manual

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Pull the shift wire down through the
exhaust cover. Apply oil or soap onto the
cable and remove the inner plate from the
cable.
4- If the lower unit being serviced has
the 6-inch extension above the lower unit,
remove the screws from the bottom side of
the extension. It is not necessary to remove
the extension in order to remove the lower
unit. Remove screws securing the lower unit
to the exhaust housing or to the extension.
Work the lower unit away from the exhaust
housing or extension.
The water tubes may
be stuck in the water pump. Therefore, if
difficul ty is encountered in freeing the
ELECTROMATIC SHIFT 8-57
lower unit, force a wide blade chisel, stiff
scraper, or other suitable tool, between the
two surfaces and work each side of the
lower unit away from the exhaust housing.
DISASSEMBLING
5- Set the cavitation plate on the edge
of the work bench or other suitable surface,
and secure it firmly with a C-clamp. An
alternate method is to cut a deep
'ry"
in a
piece of 2" x 6
11
of wood, and then slide the
lower unit into the
"VII
resting it on the
cavitation plate.
6- Remove the O-ring from the top of
the driveshaft.
O-RING