Flushing With Water - TOHATSU MD 70-90C2 Service Manual

Maintenance

4) Flushing with Water

Exhaust gas contains carbon monoxide
which can cause intoxication if inhaled. Do
not operated engine in a closed space such
as interior of boat house.
Be careful not to touch rotating propeller.
Be sure to remove propeller before running
engine on the land.
Flushing using flushing attachment (P/N3B7-60007-0).
1. Remove the following parts.
● Propeller and thrust holder
1 Water plug.
2. Attach the following parts.
2 Tape:Two locations (on the water strainer)
3 Flushing attachment
● Put water hose from water outlet to 3 and run water.
● Set shift lever to neutral (N) and start engine.
● Check that cooling water check port discharges water,
and run engine for 3 to 5 minutes at idle speed.
● Stop engine and stop water supply, remove 3, attach
and tighten 1 , and then, reinstall propeller parts
removed.
Flushing using drive cleaner (P/N353-72406-0)
Put drive cleaner 1 on the gear case from the front so
1.
that the drive cleaner covers cooling water inlet as shown.
2. Put water hose to drive cleaner and run water.
Adjust water flow so that water leaks from driver
cleaner a little.
3. Set shift lever to neutral (N) and start engine.
4. Check that cooling water check port discharges water, and
run engine for 3 to 5 minutes at idle speed.
After starting engine, no cooling water should spill
from the drive cleaner and should be discharged
from cooling water outlet because water is
sucked by the impeller.
3-22
WARNING
WARNING
OIL
2
2 Tape
3 Flushing Attachment
1
3
1
WASH
TLDI 75/90C2 2010