KNF LABOPORT SC820G Manual De Instrucciones página 194

Servicing
86
9. Insert the 10 external screws (4/Fig. 25) in the pump head
and tighten them in a crosswise pattern (tightening torque:
SC820G: 4 Nm; SC840G: 5 Nm)
If the external screws (4/Fig. 25) 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. 24) 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.
24)
11. Hand-tighten the union nut of the hose connection (5/Fig.
25) on the high-performance condenser (2/Fig. 3).
Final steps
WARNING
1. Mount the handle cover (3/Fig. 25).
2. Tighten the screws (2/Fig. 25) of the handle cover (3/Fig.
25) (tightening torque: 2 Nm).
3. Connect the signal cable to the pump (see Fig. 3/7) and
the separator (Fig. 23/3) (see Fig. 7).
Make sure that the cable is passed through under the
hose connection when connecting it.
4. Install the collection flasks (4 and 5/Product description
SH820G).
Translation of Originial Operating Instruction, KNF 339416-339418 02/23
Vacuum system SC820G / SC840G
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.