2.
Disconnect water hoses from seawater pump.
!
CAUTION
Do not run engine for more than 15 seconds with
hose disconnected, in next step, as internal dam-
age to engine and exhaust system may result.
a
3.
With assistance of another person, start engine
and adjust speed to exactly 1000 RPM while
holding unclamped end of hose on connection on
engine.Removehosefromconnectiononengine
and direct water flow into container for exactly 15
seconds. At the end of 15 seconds, direct the wa-
ter flow overboard, return engine to idle and stop
engine. Reconnect hose to engine.
71170
4.
5.
Measure quantity of water discharged into con-
tainer and compare with specifications given in
chart following.
b
Engines With Combination Seawater / Mechani-
cal Fuel Pump
Repeat test four times to check repeatability of
results.
a - Seawater Inlet Hose
b - Hose To Cooler
Belt Driven Pump Output For
a 15 Second Period
7.5
U.S. Qt. (7.1 L) Minimum
Belt Driven Combination
Seawater/Fuel Pump
b
a
Removal
1.
Remove drive belt by loosening idler pulley.
72352
Engines WIth Cool Fuel System
a - Seawater Inlet Hose
b - Hose To Cooler
b
c
a
71167
a - Idler Pulley
b - Adjusting Bolt
c - Locknut
Index
90-823324--2 796
SEAWATER COOLED SYSTEMS - 6A-7
Product Specification
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 |
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