7 | Installation
76/174
8DJH • Installation and Operating Instructions • Version 11 • 500-8384.9
3. Insert the guiding tension bolts
1
into the two openings in the clamping plate, and tighten
with nut-and-washer assemblies
2
(tightening torque: 21 Nm).
Fig. 71:
Mounting the guiding tension bolts
1
Guiding tension bolt
2
Nut-and-washer assembly
NOTICE
Mounting paste on the contact stud
Mounting paste on the contact stud can cause an internal arc during operation.
⇨ Do not apply mounting paste to the contact stud.
4. Clean the busbar bushes carefully inside with a lint-free wiping cloth. Use the supplied
mounting paste as cleaning agent.
5. Clean the contact studs with a lint-free wiping cloth
without mounting paste
.
Fig. 72:
Cleaning the busbar bushes
1
Busbar bush
2
Contact stud
Inserting the contact couplings
1. Evenly and centrally insert the contact couplings
1
on the contact studs in all phases as far
as they will go.
Fig. 73:
Inserting the contact couplings
Fig. 74:
Incorrectly inserted contact coupling
Inserting the silicone couplings
NOTICE
Insufficient electrical contact of the layer of conductive varnish
Mounting paste on the layer of conductive varnish can cause an internal arc during
operation.
⇨
Do not
apply mounting paste to the layer of conductive varnish.
Summary of Contents for 8DJH
Page 173: ......