Initial Engine Alignment - Mercury MerCruiser 3.0 MPI Installation Manual

DRIVE SYSTEM AND ENGINE INSTALLATION

Initial Engine Alignment

1. Ensure that the dust cover is removed or folded back out of the way.
2. Attempt to insert the solid end of the alignment tool through the gimbal bearing and into the
engine coupler splines.
Alignment Tool Assembly
3. If the tool does not fit, remove it and carefully raise or lower the front end of the engine using
the center alignment eye then attempt to insert the alignment tool.
NOTE: It may be necessary to hit the alignment tool with a synthane hammer to set the gimbal
bearing to the coupler.
4. If necessary, firmly strike the sides of the Alignment Tool at 90° increments to help align the
gimbal bearing.
e
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a - Dust cover
d
a
a - Alignment tool
b - Gimbal bearing
c - Engine coupler
a
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d - Hammer
e - 90° increments
90-899883183 DECEMBER 2007
SECTION - 6
c
b
a
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