BA 1001/1501/2001 us – Edition 3.3 * 12001b520.fm
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Maintenance
Changing hydraulic oil
Important
Only change the hydraulic oil if it is warm (about 50 °C/122 °F).
Lower the skip in center position before draining the oil (dumper in straight-
ahead position).
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Open the drain plug to let the oil drain into a container
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Check the hydraulic oil reservoir for contamination and clean it if necessary
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Replace the filter according to the maintenance specifications
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Screw the drain plug back in correctly
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Add clean hydraulic oil through the screen
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Close the hydraulic oil reservoir correctly
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Let the machine run at idling speed without load for some minutes
Dirt indicator for hydraulic oil filter
A red indicator light on the instrument panel monitors the filter.
Replace the filter:
• If the indicator light illuminates when the hydraulic oil is at operating temperature
• According to the maintenance interval
In cold weather the indicator light can illuminate immediately when the engine is started.
This is caused by increased oil viscosity. In this case:
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Let the engine run at idling speed for about 2 minutes
Replacing the hydraulic oil filter element
Proceed as follows:
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Stop the engine
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Open cover
1
by about 2 turns and wait until the oil level in the filter housing drops to
the oil level in the hydraulic oil reservoir
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Open the cover completely and remove it
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Pull filler pipe
2
upward with a slightly turning movement, together with filter element
3
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Remove the filter element from the filler pipe and dispose of it
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Slide the filler pipe onto the new filter element and insert it in the filter
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Tighten the cover by hand
Fig. 99: Dirt indicator for hydraulic oil filter
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Fig. 100: Hydraulic return filter
1
2
3