Running The Outboard Using A Hose And Flushing Adapter - Evinrude E-Tec 40 HP Service Manual

ROUTINE SERVICE
COOLING SYSTEM
Running the Outboard Using a
Hose and Flushing Adapter
A
WARNING
To prevent injury from contact with rotat-
ing propeller, remove the propeller before
running engine with a flushing adapter.
A flushing adapter may be used to provide cooling
water when running the outboard to:
Flush the engine
•
Run for a n extende d pe riod of time, such a s
•
when performing diagnostic work
Run the engine on a dynamometer
•
Prepare the outboard for storage.
•
The outbo ard mu st be lo cated in
IMPORTANT:
a well ven tilated area with
drainage.
Keep water inlet pressure between 20 to 40 p si
(140 to 275 kPa).
Be sure water supply is sufficient to run the engine
above idle speed.
Water Supply Requirements
Model Water Flow @ WOT
40–65 HP
4 to 6.5 GPM
75–90 HP 7.5 to 9 GPM (28 to 34 LPM)
1. GPM: Gallons per minute
2. LPM: Liters per minute
36
appropriate grou nd
1 2
(15 to 24 LPM )
Install flushin g adapter onto gearcase water inlet
screens.
1. Flushing adapter
A steady stre am o f water should flo w f rom t he
overboard indicator while the engine is running.
Monitor engine water pressure gauge when:
Engine speed is above 3000 RPM
•
Running engine on a dynamometer.
•
Refer to SERVICE SPECIFICATIONS on p. 10 for
water pressure requirements.
NOTICE
Engine will overheat if normal water
pressure is not maintained. Temporarily install
an engine water pressure gauge if not
equipped with one.
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