7 CARE AND MAINTENANCE
7.14 MHL380 D
7.6.4 Checking the hydraulic oil level
When checking the oil level or when adding
oil:
ï‚Ÿ the machine must be positioned horizontally,
ï‚Ÿ the outrigger must be retracted / the option-
al dozer blade must be raised,
ï‚Ÿ and the loading equipment must be set
down on the ground extended and with the
grab open.
In this position, the oil level must not be below
the bottom mark (red) in the viewing glass
(163/1).
If it is, oil must be added through the ventila-
tion filter (163/2) until the level reaches at
least the bottom mark (red) or better, the top
mark (black).
In the machine position described above, the
oil level must always be between these two
marks.
If the oil level falls considerably below the bot-
tom mark, the indicator (164/38) lights up. A
continuous warning buzzer sounds at the
same time and the travel and work functions
are disabled. The indicator (164/46) lights up.
Once the hydraulic oil level returns to the
permissible range, the disabled functions are
made available again and the indicators go
out.
h Refilling process Chapter 7.9.13.2 Chang-
ing hydraulic fluid.
Fig. 163 Sight glass for hydraulic oil
Fig. 164 Hydraulic oil level
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