Cleaning Flame Arrestor; Plastic Side Mounted Flame Arrestor . 1B-38 - Mercury MerCruiser MCM 454 Mag MPI Service Manual

MAINTENANCE

Cleaning Flame Arrestor

Avoid gasoline fire or explosion. Gasoline is extremely flammable and highly
explosive under certain conditions. Be careful when cleaning flame arrestor and
crankcase ventilation hoses. Be sure that ignition is OFF. DO NOT smoke or allow
sources of spark or open flame in area when cleaning flame arrestor and crankcase
ventilation hoses.
Avoid gasoline fire or explosion. Gasoline is extremely flammable and highly explo-
sive under certain conditions. NEVER use gasoline as a cleaning solvent.
Plastic Side Mounted Flame Arrestor
1. Remove crankcase ventilation hose from fitting on side of flame arrestor housing.
2. Remove screws from lower side of flame arrestor housing.
3. Remove flame arrestor.
4. Clean flame arrestor in solvent. Blow dry with compressed air.
5. Clean crankcase ventilation hose in solvent. Blow dry with compressed air.
6. Inspect crankcase ventilation hose for cracks or deterioration and replace if necessary.
7. Reinstall flame arrestor and and crankcase ventilation hose.
8. Reinstall flame arrestor screws and tighten securely.
Index Index
Page 1B-38
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a - Vent Hose
b - Flame Arrestor
c
a - Screws
b - Flame Arrestor
c - Crankcase Ventilation Hose Connection
WARNING
WARNING
a
a
SERVICE MANUAL NUMBER 23
b
75115
b
75142
90-861326--1 MARCH 1999