Cleaning and Inspection
IMPORTANT: A MOLDED exhaust tube MUST be
used at exhaust elbow connection to maintain
positive separation of exhaust outlet and muffler
inlet.
1.
Disassemble muffler as shown.
b
c
a
a
c
b
d
d
72782
d
a - Removable End Plate
b - 4 Screws Secure End Plate
c - O-Ring Seal
72781
d - Element - When Reassembling, Seat Tab In Slot In Cast-
ing
a - Muffler
b - Molded Exhaust Tube - Muffler To Elbow
c - Exhaust Hose - Muffler To Thru Transom Fitting - Cut To
Length
d - Double Clamp Each Connection (Not Shown On Hose C)
2.
3.
Clean (using pressurized water) and inspect
parts, including filter element and O-ring seal. If
required, replace O-ring, securing in place with
Quicksilver Sound Blanket Glue.
2.
Double clamp each connection; tighten each
clamp securely.
Reassemble as shown above. Tighten end plate
screws securely.
IMPORTANT: After starting engine, check instal-
lation for leaks.
Installation
Maintenance Instructions
1.
Install muffler, as shown, into exhaust hose and
molded tube. Fabricate muffler to transom using
Maintenance inspection is owner’s responsibility and
must be performed at intervals specified in owner’s
Operation and Maintenance Manual.
4-inch
I.D. exhaust hose, cut to required length.
NOTE: Removable end of muffler ALWAYS goes to-
ward exhaust elbow. This places direction marks on
muffler body casting at the upper rear corner on the
port side.
1.
Check exhaust elbow attaching nuts for ade-
quate tightness [20-25 lb. ft. (27-34 N·m)].
2.
3.
Check hose clamps for adequate tightness.
Periodically check tubes/hoses for soft spots,
brittleness, cracks, and general condition. Re-
place as necessary.
72783
Index
7D-8 - COLLECTORS
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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