20
7. Maintenance / Exchange
➡
The adapter 40 must not be released for the replacement
of the TC or following works.
➡
Assemble the new electronic drive unit TC 600 (order
number please see section”Spare Parts”) on the
turbopump and connect again.
Please take into account that after replacement
the standard operating parameters are always
pre-set. If your application requires different
parameters, please modify accordingly.
CAUTION
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.
The bearing should be changed every three years (request
Pfeiffer Vacuum Service to change). Where extreme
operating conditions or unclean processes are involved, the
replacement interval should be checked with your Pfeiffer
Vacuum Service Center.
You can change the electronic drive unit TC 600 and the lubri-
cant reservoir yourself. Please contact your Pfeiffer Vacuum
Service for all other maintenance and service work.
Apply no mechanical stress to the electronic
drive unit TC 600.
7.1. Replacing The Electronic Drive Unit
The turbopump and the TC 600 must only be
disconnected from each other when the
turbopump is completely at rest and the TC 600
has been disconnected from the power supply.
Remove the electronic drive unit TC 600 from the turbopump
as follows:
➡
Switch off the turbopump, vent to atmospheric pressure
(see section 4.6.) and allow to cool as necessary.
➡
If necessary, remove the turbopump from the system.
➡
Unscrew allen head screws 8c (2 pieces) from the
electronic drive unit 8
CAUTION
CAUTION
☞
PLEASE NOTE
40
40a
8
8c
Assembling / disassembling of the TC 600
8
Electronic drive unit TC 600
8c Hexagon socket screw M4 x 50
40 Adapter TC-TMH/U 071
40a Hexagon socket screw M4 x 16
