Vacuum Pump Maintenance - Bosch ACS 553 Service Manual

ACS 553, ACS 563 Service Manual

Vacuum Pump Maintenance

NOTE: Vacuum pump oil must be changed with
every filter change, every 100 hours pump runs
or more often as necessary.
1. Call up the Main Menu.
2. Select NEXT icon.
3. Select MENU icon.
4. Select Pump Maintenance from the
Maintenance Menu or when prompted.
The display shows how long the vacuum
pump has operated since the last oil change.
REMAINING OIL LIFE XXX:XX (hhh:mm)
CHANGE OIL NOW?
5. Select OK icon to change vacuum pump oil.
6. If the the machine displays:
WARMING OIL FOR DRAIN
• allow the vacuum pump to run for two
minutes to warm up the oil.
7. If the oil is already warm, the display shows:
DRAIN USED OIL FROM PUMP AND REPLACE
WITH 250 ML OF NEW OIL REMOVE CAP TO
SPEED DRAINING OF OIL
8. Slowly open the oil fill port cover (2) to verify
there is no pressure in the machine. Then
carefully remove the cover. See Figure 1-6.
9. Remove the oil drain fitting cap (3) and
drain the oil into a suitable container for
disposal. Reinstall the oil drain cap (3) and
close tightly.
10. Slowly add vacuum pump oil to the pump
through the oil fill port until the oil reaches
the center of the sight glass (1).
11. Reinstall the oil fill port cover (2) and close
tightly.
12. Select OK icon to continue.
13. The display show a message that indicate
to the user to check that the oil level is at
the center of the sight glass pump.
NOTE: In case it is necessary to add more oil,
repeat steps 8, 10 and 11 for add oil.
14. Select ESC icon to return to the Maintenance
Menu.
Robert Bosch GmbH
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3
Figure 1-6. Oil Ports
CAUTION: To prevent personal injury,
do NOT operate the machine at any
other time without the oil fill port
cap installed, because the vacuum
pump is pressurized during normal
operation.
NOTE: Review the laws and regulations in
your jurisdiction to determine correct disposal
procedures for pump oil. It is the responsibility
of the user to determine if a material is a
hazardous waste at the time of disposal.
The user must ensure compliance with all
applicable laws and regulations.
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Introduction
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