SERVICE MANUAL NUMBER 24
COLLECTORS
Maintenance Instructions
Maintenance inspection is owner’s responsibility and must be performed at intervals speci-
fied in owner’s Operation and Maintenance Manual.
1.
2.
3.
Check exhaust elbow attaching nuts for adequate tightness [20-25 lb-ft (27-34 Nm)].
Check hose clamps for adequate tightness.
Periodically check tubes/hoses for soft spots, brittleness, cracks, and general condition.
Replace as necessary.
4.
As needed, depending on use conditions, remove mufflers, then remove four screws
securing forward end plate, and remove end plate and element and interior of muffler.
Clean thoroughly, at least once each year, using pressurized water.
b
a
c
d
72782
a - Removable End Plate
b - 4 Screws Secure End Plate
c - O-Ring Seal
d - Element - When Reassembling, Seat Tab In Slot In Casting
a. Check condition of O-ring seal; if dried out or shrunk below mating surface, remove
and replace. Clean groove thoroughly.
b. Glue new O-ring seal in groove, using Sound Blanket Glue. Wipe off excess glue
immediately.
5.
6.
7.
Reinstall muffler end plate with four screws. Tighten securely.
Reinstall muffler into tubes/hoses. Double clamp. Tighten securely.
Check area around exhaust elbow and riser gaskets for leakage. Replace gaskets, if
necessary.
CAUTION
Water must be completely drained from exhaust elbow riser during freezing temper-
atures, or water may freeze and cause severe damage to riser.
90-861327--1
OCTOBER 1999
Page 7C-15
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 305 CID, Mercury MerCruiser 350 CID |
| Model Year | 1998, 1999, 2000, 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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