Servicing the system | 5
B1300122_en | Operating instructions Lambdamat LM 800-1000
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5.6 Maintenance instructions for hydraulic system
WARNING
Do not use unskilled personnel for hydraulic system maintenance
Risk of injury and damage to property!
Take the following precautions:
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Only allow trained professionals to carry out servicing and maintenance work on the
hydraulic system. Follow the manufacturer's operating instructions.
NOTICE! Do not allow the oil temperature to 50°C or fall below -30°C.
The interval at which oil should be changed depends on a variety of factors including the
age of the oil and the amount of dirt contained in it. As a general rule, the oil should be
changed at the following intervals:
Interval [service hours]
Component / Maintenance Operation
50 – 100
ONE-TIME maintenance after first commissioning:
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Change the oil and the filter
50
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Check the oil level
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The oil must show no visible signs of foaming
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Check the tightness of screw connectors
200
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Check the return filter for dirt (pressure gauge on filter)
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Change the filter cartridge if necessary
5,000 (or yearly)
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Change the oil
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Change the return filter and the vent filter sets
Recommended procedure for oil change:
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Move all hydraulic cylinders to the end stop
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This will expel all the oil
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Drain off or pump off the oil from the hydraulic unit
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Remove the unit cover or open the inspection cover
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Thoroughly clean the oil tank (make sure you remove all oil sludge)
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Change the return filter and the vent filter sets
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Refit the unit cover or close the inspection cover
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Fill the tank with hydraulic oil to the level mark shown on the inspection glass
Use the hydraulic oil grade specified by the manufacturer
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At the other end of the cylinder plunger (relative to its current position), remove the
hydraulic cylinder hose fitted to the fixed piping side.
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Using the hydraulic unit move the cylinders to the other end position
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The remaining old oil will be pushed out of the hose and into the container
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Refit the hydraulic hoses and check the seal
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Bleed the hydraulic system and check the oil level
NOTICE! Dispose of hydraulic oil in accordance with local regulations!
