KNF LABOPORT SC820G Originalbetriebsanleitung Seite 196

Servicing
11 AS hose
connection
12 HLK hose
connection
15 O-ring
16 O-ring
17 O-ring
18 O-ring
19 O-ring
20 AS hose
connector
88
Change O-rings on the hose connections
1. Loosen the two union screws on the hose connections
(11) and (12) and pull the hose connections out of the
head plates (3).
If necessary, use a size 14 open-end wrench to loosen
the union screws.
16
11
20
19
Fig.30: Changing O-rings
2. Change the O-rings (16) and (17) on the separator hose
connection (11).
3. Change the O-ring (15) on the high-performance con-
denser hose connection (12).
When changing the O-rings, make sure that the new O-
rings are positioned correctly (between sleeve (22) and
sliding washer (21; see Fig. 31).
Translation of Originial Operating Instruction, KNF 339416-339418 02/23
3
17
18
Vacuum system SC820G / SC840G
12
15