Checking Coolant Level - Komatsu PW130ES-6K Operation & Maintenance Manual

SERVICE PROCEDURE

CHECKING COOLANT LEVEL

REMARK
Check the coolant level before starting the engine.
1. Check the coolant level in the radiator reserve tank (5). The
coolant level should be between the FULL and LOW mark-
ings on the tank.
2. If coolant must be added, remove the reserve tank cap (4)
and add coolant until level is between the FULL and LOW
markings on the tank.
DRAINING THE SYSTEM
Before working on the engine or electrical system, dis-
G
connect the negative (ground) battery cable. Tag the
cable and controls to warn against starting.
Wear hand and eye protection when draining hot fluids.
G
1. Run the engine until it reaches operating temperature; then
stop the engine
2. Remove the radiator cap as outlined in this section.
3. Remove the crankcase coolant drain plug located on the bot-
tom of the coolant inlet (1).
4. Open the radiator drain valve (2).
5. Allow the system to completely drain into a suitable container.
Do not let drain outlets plug up during draining.
6. Close the radiator drain valve (2). Install the crankcase cool-
ant drain plug (1).
CLEANING THE SYSTEM
At 2000 hours clean the cooling system as follows:
1. Drain the system into a suitable container. Refer to "DRAIN-
ING THE SYSTEM" on page 192.
2. Drain and clean the reserve tank.
3. Close the radiator and crankcase drains.
192
WARNING
MAINTENANCE.
Full
Low