MerCruiser 13, Service Manual

Page: 82 / 348

REMOVAL AND INSTALLATION - 2A -7 90-816462 2-695
! CAUTION
When lowering engine into position DO NOT set
engine on shift cable. Shift cable outer casing can
be crushed causing difficult or improper shifting.
6. Set engine down on stringers and relieve hoist
tension. Disconnect sling from engine lifting eyes
and switch sling to center lifting eye.
50636
a
a - Center Lifting Eye
IMPORTANT: The modified 91-57797A3 tool or the
new tool 91-805475A1 will align all current Alpha
One as well as all older engines that used the old-
er 91-57797A3.
! CAUTION
To avoid damage to gimbal bearing, engine cou-
pler, or alignment tool:
•
DO NOT attempt to force alignment tool!
•
DO NOT raise or lower engine with alignment
tool inserted (or partially inserted) in gimbal
bearing or engine coupler.
7. Align engine as follows:
a. Attempt to insert solid end of Quicksilver
Alignment Tool through gimbal bearing and
into engine coupler splines. If it will not insert
easily proceed to following.
b. While observing the above precautions,
CAREFULLY raise and lower front of engine
with hoist, as required, until tool will SLIDE
FREELY all the way in and out of engine cou-
pler splines.
70013
b
a
a - Alignment Tool (Use Only Quicksilver Alignment Tool
91-805475A1, or Properly Modified 91-57797A3)
b - Insert This End of Alignment Tool through Gimbal Housing
Assembly
72585
b
c
a
a - Alignment Tool
b - Gimbal Bearing
c - Engine Coupler
IMPORTANT: Turn both front engine mount ad-
justment nuts an equal amount in direction re-
quired to align engine.
c. Adjust front engine mounts until they rest on
boat stringers.
d. Relieve hoist tension entirely and fasten both
front mounts to boat stringer using appropri-
ate hardware (lag bolts or thru-bolts, etc).
e. Recheck alignment with alignment tool. Tool
must enter coupler splines freely. If not, read-
just front mounts.