Page 93/131
July 2021
HE18 | User manual
5.
Maintenance Work
Preventative maintenance work must be performed as recommended to care for and maintain the excavator.
5.1
Adding coolant
•
Open the engine cover (
page 87
).
•
Check the antifreeze concentration with an antifreeze tester; it must
be -25 °C.
NOTE
The antifreeze concentration may not be more than 50%.
•
Open the cap of the coolant expansion tank when the engine is cold and add mixed coolant until the FULL
mark (
1
).
•
Close the cap of the expansion tank.
If the coolant expansion tank has been drained completely, check the fluid level in the radiator.
WARNING
Do not open the radiator cap if the engine is hot; there is a danger of being burnt.
•
Open the side cover.
•
Open the radiator cap (
1
) by turning it counterclockwise.
•
The fluid level must be at the bottom edge of the fill opening. If
necessary as coolant.
•
Close the radiator cap.
•
Close the side cover.
•
Close the engine cover.
Summary of Contents for HE18
Page 128: ...Page 128 131 July 2021 HE18 User manual ELECTRICAL DIAGRAMS 1 Electrical diagram 1 ...
Page 129: ...Page 129 131 July 2021 HE18 User manual 2 Electrical diagram 2 ...
Page 130: ...Page 130 131 July 2021 HE18 User manual 3 Electrical diagram 3 ...
Page 131: ...Page 131 131 July 2021 HE18 User manual 4 Electrical diagram 4 ...