Mercury MerCruiser Service Manual page 213

3. Install the new camshaft outer bearings #5 and #1.
a. Install the new camshaft outer bearing #5 onto the J33049 expander assembly.
b. Tighten the J33049 expander assembly nut until snug.
c. Align the lubrication hole of the camshaft outer bearing #5 above the 3 o'clock position of the camshaft outer bearing
bore #5 at the rear of the engine block.
d. Drive the camshaft outer bearing #5 into the camshaft outer bearing bore #5 at the rear of the engine block.
e. Loosen the J33049 expander assembly nut.
f. Remove the camshaft outer bearing #5 from the J33049 expander assembly.
g. Install the new camshaft outer bearing #1 onto the J33049 expander assembly.
h. Tighten the J33049 expander assembly nut until snug.
i. Align the lubrication hole of the camshaft outer bearing #1 above the 3 o'clock position of the camshaft outer bearing
bore #1 at the front of the engine block.
j. Drive the camshaft outer bearing #1 into the camshaft outer bearing bore #1 at the front of the engine block.
k. Loosen the J33049 expander assembly nut.
l. Carefully slide the J33049 into the engine block until the J33049 expander assembly is positioned between the
camshaft inner bearing bores.
4. Install the camshaft inner bearings #4, #3, and #2.
a. Install the new camshaft inner bearing #4 onto the J33049 expander assembly.
b. Tighten the J33049 expander assembly nut until snug.
c. Align the lubrication hole of the camshaft inner bearing #4 at the 3 o'clock position of the camshaft inner bearing bore
#4 of the engine block.
d. Push the J33049 guide cone into the camshaft front bearing bore #1 in order to align the J33049.
e. Drive the camshaft inner bearing #4 into the camshaft inner bearing bore #4 of the engine block.
f. Loosen the J33049 expander assembly nut.
g. Install the new camshaft inner bearing #3 onto the J33049 expander assembly.
h. Tighten the J33049 expander assembly nut until snug.
i. Align the lubrication hole of the camshaft inner bearing #3 at the 3 o'clock position of the camshaft inner bearing bore
#3 of the engine block.
j. Push the J33049 guide cone into the camshaft front bearing bore #1 in order to align the J33049.
k. Drive the camshaft inner bearing #3 into the camshaft inner bearing bore #3 of the engine block.
l. Loosen the J33049 expander assembly nut.
m. Carefully slide the J33049 until the J33049 expander assembly is positioned between the camshaft inner bearing
bore #2 and the camshaft outer bearing bore #1.
n. Install the new camshaft inner bearing #2 onto the J33049 expander assembly.
o. Tighten the J33049 expander assembly nut until snug.
p. Align the lubrication hole of the camshaft inner bearing #2 at the 3 o'clock position of the camshaft inner bearing bore
#2 of the engine block.
q. Push the J33049 guide cone into the camshaft front bearing bore #1 in order to align the J33049.
r. Drive the camshaft inner bearing #2 into the camshaft inner bearing bore #2 of the engine block.
s. Loosen the J33049 expander assembly nut.
5. Carefully remove the J33049 from the engine block.
90-8M0099748 eng DECEMBER 2015
a
a - Camshaft bearing tool assembled (J33049)
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© 2016 Mercury Marine
Engine Inspection and Assembly
Page 3B-11