52
MAINTENANCE
COOLING SYSTEM
COOLING SYSTEM
Check the condition of cooling system compo-
nents regularly. The outboard cooling system con-
sists of:
•
water intake screens
•
overboard water pressure indicator
•
water pump
•
all internal water passages
•
thermostat
Flushing
Flush the outboard with fresh water following each
use in brackish, salt, or polluted water to minimize
the accumulation of scale and silt deposits in cool-
ing system passages.
Procedure
Remove propeller and shift the outboard to NEU-
TRAL.
Install flushing device and garden hose.
START outboard. Run outboard at IDLE only for at
least five minutes.
IMPORTANT:
To prevent damage, do not run
outboard above fast idle. Water must flow from the
water pump indicator. If it does not, shut off the
outboard and repair as needed.
Shut OFF the outboard. Leave the outboard in
VERTICAL (DOWN) position long enough for the
water to drain from the powerhead completely.
Remove outboard from tank and install propeller.
Water Intake Screen
Inspect condition of water intake screen. Clean or
replace as needed.
Water Pump
Inspect water pump every 200 hours of operation.
Refer to
WARNING
Prevent injury from contact with rotating
propeller; remove the propeller before
flushing.
Flushing Device
005951
1.
Water pump indicator
drc4952
1.
Water intake screen
005941
1
1
Содержание Johnson BJ25E4SUC
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