SANY SY115C9, Инструкция по безопасности, эксплуатации и техническому обслуживанию, Страница: 299 / 445

Maintenance
Safety, Operation and Maintenance Manual - Aug 2012 5-40
SY115C9/135C/155H Crawler Hydraulic Excavator
2
CZ335-1104012
3. Remove the bottom cap and place a con-
tainer to hold the coolant under the drain
valve (2).
Open the radiator bottom drain valve (2) to
drain the coolant.
4. Close the drain valve (2) after draining
the coolant. Add tap water to the radiator.
When the radiator is full, start the engine
at low speed in order to heat up to 90
℃
(194
℉
)at minimum. Continue to run the
engine for about 10 minutes.
5. Stop the engine and open the drain valve
(2) to discharge water.
6. Use detergent to clean the radiator after
draining the water. Refer to the detergent
instruction for cleaning method.
7. Close the drain valve (2).
8. Reinstall the bottom cap.
9. Fill the coolant containing antifreeze till the
fl uid over fl ows from the fi ller opening. The
mixture ratio of antifreeze and water is to
be determined according to the chart of
mixing values of antifreeze and coolant.
10. Run the engine at low speed for about fi ve
minutes and then at high speed for five
minutes in order to eliminate the air from
the coolant. (The radiator cap (1) shall be
left open at the moment.)
11. Clean the auxiliary reservoir (3) after
completely draining the coolant from it. Add
water till the coolant level reaches a level
between the high and the low marks.
Replace the auxiliary tank with a new one
if the old one is hard to clean.
12. Stop the engine. Wait about three minutes
before adding water through the fi ller open-
ing. Screw on the radiator cap tightly.
3
CZ135B-1104007
High
Low
Fig. 5-21
Fig. 5-22