Maintenance
SY26U Excavator OMM
5-24
Operation and Maintenance Manual — 1119
SANY
Engine Cooling System
Check the Engine Coolant Level
See “Engine Coolant Level Check” on page 4-6.
Change the Engine Coolant
1. Prepare the machine for service. See “Maintenance
2. Slowly loosen and remove the radiator cap (1).
NOTE:
For the engine cooling system capacity, see
See “Fluid Capacities” on page 5-10.
3. Trace the drain hose (3) from the drain valve (2) to
where it exits the bottom of the machine. Place an
appropriate container under the drain hose. Open the
drain valve and allow the engine coolant to drain.
4. Close the drain valve. Add clean water to fill the
radiator. Start the engine and run it at low speed until
the temperature reaches 194ºF (90ºC). Run the engine
for an additional 10 minutes.
5. Stop the engine. Allow the engine to cool and drain the
water into an appropriately sized container.
WARNING!
•
Engine coolant is toxic. Avoid inhaling or ingesting engine coolant.
•
Do not remove the radiator cap while the engine is hot. Engine coolant is under pressure
when hot and could spray out. Always wait for the engine to cool before removing the
radiator cap.
Failure to follow these warnings could result in death or serious injury.
Fig. 5-11
0003222
1
Fig. 5-12
0003223
3
2
