Turbomolecular Drag Pumps TMH 071 P TMU 071 P

7. Maintenance

PLEASE NOTE

No liability for personal injury nor material damage will be accepted for damages and operational interruptions which have been caused by improper maintenance; in addition, all guarantees become invalid.

– You can change the lubricant reservoir yourself (please see Section 7.1.).

– Please contact your local Pfeiffer Vacuum service for all other maintenance and service work.

CAUTION

Apply no mechanical stress to the TC 600.

Remove locking cover and extract lubricant reservoir

6 Rubber feet (4x)

90 Locking cover

91 O-ring

92 Lubricant reservoir

93 O-ring

E Adjustable pin type face wrench

E

6

90

91

93

92

7.1. Replacing The Lubricant Reservoir

The lubricant reservoir should be replaced at least once a year.

Where extreme operating conditions or unclean processes are involved, the replacement interval should be checked with your Pfeiffer Vacuum Service Center.

➡ Switch off the turbopump, vent to atmospheric pressure

(see Section 4.3.) and allow to cool as necessary.

➡ If necessary, remove the turbopump from the system.

➡ Unscrew rubber feet 6 from the underside of the pump.

➡ Remove the locking cover 90 on the underside of the pump with adjustable pin type face wrench E (order number

N 5709 103); take care with the O-ring 91.

➡ Lever out the lubricant reservoir 92 with the help of two screwdrivers.

1

C40-942/4

➡ Clean off any dirt on the pump and locking cover with a clean, fluff-free cloth.

➡ Insert new lubricant reservoir 92 uupp ttoo tthhee OO--rriinngg 9933 in the pump.

CAUTION

The lubricant reservoir 92 is already filled with lubricant TL 011; do not add additional lubricant.

➡ Screw in locking cover 90 with O-ring 91. The lubricant reservoir is brought into the correct axial position with the locking cover.

➡ Screw the rubber feet 6 back in.

92

WARNING

Lubricant reservoir can contain toxic substances from the medium pumped. Lubricant must be disposed of in accordance with the respective regulations.

Safety instructions data sheet for the lubricant on request.

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