MAINTENANCE
74 © HAMM AG 2009
• Check the hydraulic system for leaks.
3.9.2 Changing the refrigerant
• Open the cap A at the compensation tank
B.
• Screw out the drain screw at the bottom of
the radiator or remove the lower refriger-
ant hose from the radiator and let the re-
frigerant drain into a provided receptacle.
• Drain the engine block C according to the
indications of the engine operating instruc-
tions.
• Screw in the plug screws tightly.
Avoid subsequent damage! After a dam-
age to the hydraulic system, with a foreign
object having entered the oil circuit, the
entire hydraulic system must be cleaned.
This work may only be performed by
trained specialised personnel! Call the
customer service!
After that, replace all suction filters, return
filters or pressure filters in the hydraulic
system after 50 and after 125 operating
hours.
Only lubricants with this identification are
admissible, see lubricant indications 3.2.
Never open the cap of the compensation
tank when the engine is hot!
Danger of burning or scalding by boiling
refrigerant!
It is absolutely necessary to observe the
engine operation instructions! Dispose of
refrigerant properly! Only change the re-
frigerant when the engine is cold!
15079-10
B
A
15012-10
C
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