XR21S59 CHU 172
1/2018
113813003
Hooklift Multilift XR21S59 CHU
Service Manual
Checking the air lter
Check the condition of the air lter. Clean and replace it as necessary.
Checking the condition of the oil
It is possible to examine ageing and deterioration of the quality of oil in the following
way:
• dark colour is caused by overheating of oil
• milky and/or frothy oil contains water
• water can also be seen in separated oil
• air bubbles in oil are a sign of too little oil or of a leak in suction line
• solid particles indicate a component damage or old oil
• air is a sign of oil ageing as a result of overheating.
If you notice any of the above symptoms in oil, change it according to the following
instructions.
Attention!
Hydraulic oils, especially mineral oils, are hazardous to environment. Therefore, follow all
regulations pertaining to collecting and storing oil. Earth material polluted with oil must be
processed according to relevant instructions.
If several successive containers switches are performed, the hydraulic oil may
overheat (>60ºC) making it necessary to install an oil cooler to the system.
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