Instructions for Use
Diffustik / Variant PFTstik
Serial no.: xx|8|401|yyy and 2401xxxxx
Version: 8 | Release date: 16. August 2021
Page 73
8.2.1
Checking / Exchange of Tubes and Cables
All parts of Diffustik resp. the variant PFTstik should be checked
for visible mechanical damage (cracks, tears) each day. If
damage is ascertained, the corresponding component must be
replaced.
For replacing components see:
•
Chap. 4.1.3.3 “Diffustik Device / Connections”
•
Chap. 4.1.4 “System Construction and Electrical
Safety”
•
Chap. 6.2 “Recommissioning after Servicing / Cleaning
Work”
8.2.2
Checking / Replacing O-Rings and Sealing Rubbers
During the daily inspection of the O-rings and sealing rubbers,
attention must be paid to mechanical damage or signs of
abrasion. If necessary, any affected parts must be replaced.
Once a year it must generally be replaced. Proceed as described
below:
O-Rings Shutter Block
[1a] Insert with a slight rotation
[1b] Press firmly
Identical steps [1a und 1b], see below.
1