Vacuum Pump Oil Change - Bosch ACS 753 Originalbetriebsanleitung

en | 70 | ACS 753 | Maintenance
7.9

Vacuum pump oil change

CAUTION: To prevent injury, DO NOT op-
erate the station without the plug on the
oil tank filler connection, as the vacuum
pump is pressurized during normal oper-
ation.
!
The user is responsible to check the level and the
purity of the oil in the vacuum pump. If the contam-
inated oil is not removed from the vacuum pump
and replaced, the pump will be irreversibly dam-
aged.
1. Call up the Main Menu.
2. Select
.
3. Select
.
4. Select Maintenance.
5. Select Pump Maintenance or when required by the
station.
« The display shows the vacuum pump operating
interval after the last oil change.
residual oil time xxx: xx (hhh:mm)
Change the oil now?
6. Select
to change the vacuum pump oil.
« If the display shows
let the pump operate for two minutes to heat
the oil.
« If the oil is already warm, the display shows
drain the oil used by the pump and
replace with 550 ml of new oil. Re-
the oil .
7. Turn off the station.
8. Open the rear service door.
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oil heating for drain
9. Slowly open the tank oil filler cap to check that
there is no pressure in the station, and then care-
fully remove it.
10. Remove the oil drain fitting cap and drain the oil
into a suitable container for disposal. Put back the
cap and close it securely.
11. Slowly add appropriate oil to the vacuum pump
from the filler cap until the oil level is at the center
of the level indicator.
12. Insert the oil filler cap on the pump connection
and close it securely.
13. Close the rear service door.
14. Turn on the station.
15. Select
to continue.
« A message appears on the display that indicates
to the operator to check that the oil level is at
the center of the pump level indicator.
i
If it is necessary to add more oil, repeat operations
7, 8, 9, 11, 12, 13 and 14 for oil insertion.
16. Select
to return to the Maintenance Menu.
2
Fig. 24: Vacuum pump
1 Inspection port
2 Oil filler cap
3 Oil drain plug
3 1
Robert Bosch GmbH