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Z X 1 . 5 - R
42
•
Sealed pressure system according to IEC 62271-1
SF
6
and not released into the atmosphere.
7.3 Repair
7.3.1 Replacement of drive mechanism parts and
Only remove and reassemble drive mechanism
parts and accessories when the breaker has been
switched off and the working area is to be isolated
and secured against reclosing. The spring energy
store must be discharged.
All supply voltage sources must be disconnected
and secured against reclosing during the removal
and installation work.
7.3.2 Checking the dimensional accuracy of the
After work which may be necessary on the circuit
breaker or three-position switch when the optional
mechanical interlock is fitted, the following checks
are necessary:
•
The distance between lever (1.28) operated bya
link rod and plastic cam (1.26) is to be 2
•
There must be space between lever (1.28) and
OFF release shaft (1.25)
—
Figure 7/1: Interlock
between the circuit
breaker and the
three-position switch
Figure 7/1
I N S T R U C T I O N M A N U E L
gas contained in this system shall be recycled
accessories
settings (Figure 7/1)
a) Circuit breaker, side view
1.24
1.28
1.26
1.25
1.27
X
b) Three- position switch, front view
•
If correction is necessary,tie wire (2.35) is to
be adjusted:
-
Release clamping screw (1.30) on clamping
piece (1.29)
-
Align flap (2.22) in such a way that the two
bores (2.23) are in alignment
-
Fasten tie wire (2.35) with clamping screw
(1.30) in such away that the
abovementioned distance of 2
achieved. The tie wire must not be tensioned
7.3.3 Touch up of surfaces
•
Sheet steel parts, painted
-
Remove rust, e.g. with a wire brush
-
Grind off paint coat and grease
-
Apply anti-rust primer and top coat
-
Use top coat paint in the standard colour
RAL 7035, or the relevant special colour
•
Sheet steel parts, with aluminium-zinc surface
and passivated functional parts
-
Remove white rust with a wire brush or
cleaning pad (e.g. Scotch-Brite white)
-
Remove loosely adhering particles with a
dry cloth
-
Apply zinc spray or zinc dust primer
+1
mm
•
Functional parts, phosphated
-
Remove rust with a wire brush or cleaning
pad (e.g. Scotch-Brite white)
-
Clean with a dry cloth
-
Grease with Isoflex Topas NB 52
1.42
2.23
2.22
mm is
+1
X
1.29
1.30
2.35
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