Maintenance
Checking fill levels 9.6
193
[en] | 05/2019 | 1000408123 | 4080T Basic Line | Operator’s Manual
9.6.5.1
Check the hydraulic oil level
Fig.185: Check filling level of hy-
draulic oil
The oil dipstick for the hydraulic oil is fixed to the breather filter.
ü Preparations for maintenance in the engine compartment were car-
ried out.
1. Unscrew the breather filter. Pressure is released from the tank when
this is done.
2. Pull out oil dipstick.
3. Wipe the oil dipstick with a clean and fiber-free cloth.
4. Insert the oil dipstick into the fill opening for hydraulic oil.
5. Pull out oil dipstick.
6. The fill level must be between the MIN and MAX marks.
7. Reinsert oil dipstick and tighten breather filter.
Breather filter for the hydraulic oil tank
The breather filter ensures the ventilation of the hydraulic oil tank when
the hydraulic oil level varies. The breather filter contains a filter element
that prevents dust and dirt from entering and squirts of oil from escaping.
There is a valve in the breather filter that holds the tank under light pres-
sure. This pressure escapes when the hydraulic oil filler neck is opened.
Replace the breather filter every 1,000 operating hours at the latest!
9.6.5.2
Adding hydraulic oil
If the level of hydraulic oil is below the MAX mark, the hydraulic oil must
be refilled.
ü Check the hydraulic oil level.
1. Unscrew the breather filter.
2. Add hydraulic oil.
3. Check fill level of hydraulic oil.
4. Screw in the breather filter.
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