5.
If coupling centerlines are not aligned or if cou-
pling faces are more than .003 in. (0.07 mm) out
of parallel, adjust and retighten engine mounts as
follows:
c. After engine has been properly aligned:
Tighten engine mount nuts securely, and be
certain to bend one of the tabs on the tab
washer down onto flat of mount adjusting nut.
Torque clamping screws and nuts to 50 lb. ft.
a. TO ADJUST ENGINE UP OR DOWN: Loos-
en locking nut on mounts requiring adjust-
ment and turn both front mount or rear mount
adjusting nuts equally.
(68
N·m).
NOTE: Some rear mounts have only one clamping
screw and nut on each side, instead of the style with
two shown following.
IMPORTANT: Both front mount (or rear mount)
adjusting nuts must be turned equally to keepen-
gine level from side to side.
IMPORTANT: Large diameter of mount trunnion
MUST NOT extend over 3/4 in. (20 mm) from
mount brackets on any of the mounts.
a
d
a
b
e
c
b
c
d
70056
Typical Mount
a - Locking Nut
b - Adjusting Nut
70057
c - Clamping Screws and Nuts, With Lockwashers (Two Each
on Some Models)
a - Torque Clamping Screw and Nut On All Four Mount Brack-
ets To 50 Lb. Ft (68 N·m)
d - Lag Screws (Or Bolts)
b - Tighten Locking Nut On All Four Mounts Securely
e - Slot Forward (If So Designed - NOT Slotted On This Style
Rear Mount)
c - Bend One Of The Tab Washer Down Onto Flat Of Adjust-
ing Nut
d - Maximum Extension Of Large Diameter Of Trunnion -
3/4
In. (20 mm)
NOTE: Engine mount shown is typical. All models
are similar and adjust in the same manner.
IMPORTANT: All coupler bolts must be Grade 8
(MetricGrade10.9)orbetter,withashoulder(grip
length) long enough to pass through the face
mating plane of couplers.
b. TO MOVE ENGINE TO THE LEFT OR
RIGHT: Loosen clamping screw and nut on
all four mount brackets; move engine to the
left or right as necessary to obtain proper
alignment. On mounts which do have a
slotted hole, a small amount of adjustment
can be obtained with slot on front end of
mounts. Loosen lag screws or bolts (which
fasten mounts to engine bed) and move en-
gine, as required. Tighten lag screws or bolts
securely.
6.
Connect propeller shaft coupler to transmission
output flange. Attach couplers together with
bolts, lockwashers and nuts. Torque to 50 lb.ft.
(68
N·m).
Index
2D-6 –MIE MODELS - HURTH TRANSMISSIONS
90-823224--2 796
Product Specification
Categories | Mercury MerCruiser Manuals |
---|---|
Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
Model Year | 1993, 1994, 1995, 1996, 1997 |
Download File |
|
Document File Type | |
Copyright | Attribution Non-commercial |
Hugely helpful service manual! Perfect. Thank you!
Manuals are all Important for Technician
This book is invaluable if you do your own repairs. Great book.
Could not find a copy until a search brought me here.
Excellent print.
Thank you