KNF LABOPORT SH820G Originalbetriebsanleitung Seite 148

Servicing
64
9. Insert the 10 external screws (4/Fig. 12) in the pump head
and tighten them in a crosswise pattern (tightening torque:
SH/SR820G: 4 Nm; SR/SH840G: 5 Nm)
If the external screws (4/Fig. 12) cannot be inserted into
the pump head, loosen the internal head screw (1) and
check the seating of the head plate (3) on the intermedi-
ate plate (6).
10. Screw in the union screw of the separator hose connec-
tion (1/Fig. 11) on the separator connection as far as it will
go.
If necessary, use a size 14 open-end wrench to tighten
the union screw of the separator hose connection (1/Fig.
11)
11. Hand-tighten the union nut of the hose connection (5/Fig.
12) on the high-performance condenser (2/Fig. 3).
Final steps
WARNING
1. Mount the handle cover (3/Fig. 12).
2. Tighten the screws (2/Fig. 12) of the handle cover (3/Fig.
12) (tightening torque: 2 Nm).
3. Install the collection flasks (4 and 5/Fig. 3).
Translation of Originial Operating Instruction, KNF 325562-325564 02/23
Vacuum system SH820G / SR820G / SH840G / SR840G
Risk of explosions from leaks
à
Before recommissioning the vac-
uum system, check the pump
heads and pneumatic connections
for leaks. Leaks may lead to a risk
of explosion.