Mariner 70 Service Manual page 183

13. Remove components from propeller shaft.
14. Replace cam follower if worn or pitted.
15. Replace sliding clutch if jaws are rounded or
chipped. Rounded jaws indicate one or more of
the following:
a. Improper shift cable adjustment.
b. Engine idle speed too high while shifting.
c. Shifting from neutral to reverse (or forward) too
slowly.
a b c d
f
a - Cam Follower
b - 3 Metal Balls
c - Guide Block
d - Spring
e - Sliding Clutch
f - Jaws
5A-14
e
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f
LOWER UNIT
16. Check bearing surfaces of propeller shaft for pit-
ting or wear. If shaft is worn or pitted, replace shaft
and corresponding bearing.
17. Replace propeller shaft if any of the following
exist:
a. Splines are twisted or worn.
b. Oil seal surface is grooved.
c. Shaft has a noticeable "wobble" or is bent more
than 0.009 in. (0.228mm). Prop shaft trueness
should be measured with a dial indicator with
prop shaft on V-blocks.
c
a - V-Blocks
b - Bearing Surfaces
c - Measure with Dial Indicator at this Point.
b
b
a
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