Evinrude 4906B 4HP 1969 Owner's Manual page 301

8-42
LOWER UNIT
Eabbitt bearing unfit for further
bearing must not show any signs
Inspect the impeller
and the ends of the impeller
cracks, tears, and wear. Check for a glazed
or melted appearance,
ing without sufficient
tion exists, and as previously stated, install
a new impeller if at all possible.
Clean all parts
them with compressed
rings and gaskets.
driveshaft if the splines are worn.
the gearcase and exhaust housing for dam-
age the machined surfaces.
1'0
nicks and refurbish the surfaces on a surface
plate. Start with
and finish with No. 180.
Caged ball bearing set destroyed
lubrication, vibration, corrosion,
of
the above.
service. This type
of
wear.
side seal surfaces
blades for
caused from operat-
water. If any ques-
with solvent and dry
air. DISCARD all 0-
Inspect and replace the
Inspect
Remove any
a. No. 120 Emery paper
to
due lack
metal particles,
of a
View
and was allowed
time causing extensive damage.
Badly worn pinion gear.
coreiuu»
be
of
A rusted
or enter the lower unit through
all
to
damage the gear and other expensive parts.
badly corroded lower unit.
to
remain over an extended period
The teeth
inspected for wear and damage.
and
corroded gear. Water was allowed
a bad seal and cause this
Water entered
of
of
all gears must
to