Installation
5. As shown, attach engine output flange to drive
shaft flange exactly as marked during disassem-
bly. Torque fasteners to 50 lb. ft. (68 N·m).
Engine Installation/Alignment
ENGINE MOUNT ADJUSTMENT WAS NOT
DISTURBED DURING SERVICE
a
!
CAUTION
Center lifting eye (located on top of thermostat
housing) is used for engine alignment only. DO
NOT use to lift entire engine.
b
e
!
CAUTION
d
DO NOT allow lifting sling to hook or compress
engine components or damage to them will oc-
cur.
c
70237
!
CAUTION
Engine End Shown
Multi-Port Fuel Injection engines MUST be lifted
with a lifting arm or damage to engine compo-
nents will occur.
a - Output Shaft Flange
b - Drive Shaft
c - Screw 7/16-20 x 1-1/2 In. (38 mm) Long (4 Used)
d - Nut 7/16-20 (4 Used)
1.
Attach a suitable sling to lifting eyes on engine
and adjust so that engine is level when sus-
pended. (Refer to “Removal” section for loca-
tion of lifting eyes.)
e - Matching Marks Made Upon Disassembly - Aligned
IMPORTANT: Failure to properly position output
shaft flange may result in bearing damage.
2.
Liftengineintoapproximateposition(inboat),us-
ing an overhead hoist.
6.
Relieve hoist tension from engine, then slide en-
gine fore or aft as needed to obtain 1/4 in. (6 mm)
clearance between flange shoulder and exten-
sion shaft housing bearing.
3.
4.
Set engine on stringers.
Grease drive shaft universal joints with Quicksil-
ver 2-4-C Marine Lubricant With Teflon.
c
!
CAUTION
When attaching shaft in next step, BE SURE that
the pilot on drive shaft flanges are engaged in in-
put shaft and output shaft flanges. Flanges
MUST BE flush to each other prior to tightening
screws or screws may come loose during opera-
tion.
b
a
!
CAUTION
Failure to align shaft flanges with matching
marks made on disassembly may cause improp-
erly aligned drive unit and extension drive shaft
U-joint centerlines resulting in a severe vibration
problem.
72591
a - Flange Shoulder
b - Bearing
c - 1/4 In. (6 mm)
Index
2B-4 - BRAVO AND BLACKHAWK DRIVES WITH DRIVESHAFT EXTENSIONS
90-823224--2 796
| 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 |
(4 votes, average: 4.5 out of 5)
Marine readers have rated 1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16 4.5 out of 5.0 based on 4 product reviews. 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.
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