Operating Mode Of The Lockable Service Connections Gb; Suction Pipe Filter - BOCK FK40 Series Assembly Instructions Manual

4| Compressor assembly
4.9 Operating mode of the lockable service connections
Opening the shut-off valve:
a) Spindle 1: turn to the left (counter-clockwise) as far as it will go.
—> Shut-off valve fully opened / service connection 2 closed.
D
GB
F
E
PT
Opening the service connection (2):
I
b) Spindle 1: Turn ½ - 1 rotation to the right.
TR
—> Service connection 2 opened / shut-off valve opened.
Ru
Connection 3 is provided for safety devices and is not lockable.
After activating the spindle, generally fit the spindle protection cap again and tighten with 14-16 Nm.
This serves as a second sealing feature during operation.
4.10 Suction pipe filter
For systems with long pipes and higher degree of contamination, a filter on the suction-side is
recommended. The filter has to be be renewed depending on the degree of contamination (reduced
pressure loss).
12
2
1
2
1
3
Fig. 13
Pipe connection
3
Fig. 14
Pipe connection