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Chapter 3 ________________________________________________________________ Installation
JUMO __________________________________________________________________________ 39
0506-029
Figure 22
907023/334 Probe
The following numbers refer to Figure 22:
1
=
Tightening cone
2
=
Nut
3
=
Fitting screw, M22x1.5 or NPT 1/2"
4
=
Sealing washer
5
=
Probe; Ø12 mm.
5.
Tighten the nut a further 30º (1/12) turn or if you have a torque
spanner tighten it with a torque of 80 ± 10 Nm (60 ± 7 ft-lbs).
0503-034
Figure 23
Tightening the Nut
NOTE
When re-tightening the nut after detachment the nut must be
tightened without increased effort.
6.
Clean and grease the tightening cone of the fitting screw after
every tenth detachment. Change the sealing washer every time
the fitting screw is detached. Use high-vacuum grease (for
example Dow Corning) or similar grease.