Vacuum Pump Oil Change - Bosch ACS 753 Manual Original

en 70 | ACS 753 | Maintenance
7.9

Vacuum pump oil change

CAUTION: To prevent injury, DO NOT
operate the station without the plug
on the oil tank filler connection, as the
vacuum pump is pressurized during normal
operation.
!
The user is responsible to check the level and
the purity of the oil in the vacuum pump. If the
contaminated oil is not removed from the vacuum
pump and replaced, the pump will be irreversibly
damaged.
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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SP00D00596 2019-07-04
oil heating for drain
9. Slowly open the tank oil filler cap to check that there
is no pressure in the station, and then carefully
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