Removal
12. Remove top and then bottom drive shaft shields
at engine end of extension drive shaft.
IMPORTANT: It is not necessary to remove the
engine to service the drive shaft and/or bearing
support (tailstock). Refer to instructions as out-
lined in Section 8E - “Drive Shaft Repair” or
“Bearing Support Repair” for servicing these
items only.
IMPORTANT: Stern drive unit does not have to be
removed prior to engine removal. If stern drive is
going to be removed, refer to appropriate Stern
Drive Service Manual.
Engine Removal
a
1.
2.
Disconnect battery cables from battery.
d
Remove instrument harness connector plug from
engine harness receptacle after loosening
clamp.
c
!
WARNING
b
72033
Be careful when working on fuel system. Gaso-
line is extremely flammable and highly explosive
under certain conditions. Do not smoke or allow
spark or open flame in area. Wipe up any spilled
fuel immediately.
a - Top Shield
b - Bottom Shield
c - 4 Screws / Nuts (2 Hidden)
d - 3 Screws (Hidden)
3.
Using wrench to stabilize brass coupling at fuel
filter inlet, loosen fuel line fitting, disconnect and
suitably plug fuel line to prevent fuel in tank from
leaking into bilge.
13.
Mark extension drive shaft U-joint yoke/output
flange connections at engine end (to assist in ex-
act same positioning during reassembly). Dis-
connect drive shaft from output flange.
4.
5.
Disconnect throttle cable from carburetor and re-
tain locknuts and hardware.
c
Disconnect bullet connectors of trim senderwires
(coming from transom assembly) from engine
harness.
NOTE: After wires are disconnected, be sure to
loosen them from clamps or Sta-Straps retaining
them to engine or hoses.
6.
Disconnect MerCathode wires from MerCathode
controller if mounted on engine (some models).
7.
8.
9.
Disconnect seawater inlet hose from engine.
Disconnect exhaust elbow hoses (bellows).
b
a
70237
Remove both shift cables from shift plate. Retain
locknuts and hardware.
Engine End Shown
a - Matching Parts On Flange and Drive Shaft Connection
b - Extension Drive Shaft U-Joint Yoke
c - Output Flange
10.
11.
Disconnect any grounding wires and accessories
that are connected to engine.
Disconnect (and suitably plug) fluid hoses from
power steering control valve on transom.
Index
2B-2 - 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.
Thank you