44
4.1
MCH - Mechanism
Tools necessary:
Torx 30 – 40
Spanner n°7
Cross screw drivers
Lubricant
4.1.1 MCH-I - Correct working and Lubricating
• Check the correct working
Do at least n°1 charge/close/open Cycle
discharged
charged
discharged
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charged
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discharged
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charged
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charged
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charged
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charged
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charged
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charged
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Close the breaker and charge the spring manually.
The main contacts must remain in closed position. If breaker open (see the ON-OFF indication)
➔
it is necessary to perform procedure “PMP3005”*
* procedure “PMP3005” can be used only By BTicino service or certified/qualified service companies
At the end get the breaker in open position with springs discharged
discharged
charged
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discharged
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charged
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• Lubricating
Clean the mechanism with dry air compressed
Lubricate (Reholube 361F ) the parts indicated in pictures
After lubricating do a cycle charge/close/open
discharged
charged
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charged
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charged
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charged
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charged
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charged
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4. Maintenance
procedures
discharged
10
5
2
0.7
0.4
5
0.6
0.5
Ir
2
0.9
8
0.8
10
xIr
3
Im
6
4 5
s
xIn
0.1
0.0
0.0
1
20
5
10
@6Ir
30
tr
30
20
0.3
tm
0.2
0.3
0.2
0.1
I>1.05
I>.90
xIr
ON
N
0.00
0.02
0.04
0.0
6
0.08
0.1
I
2
t=k@1
2Ir
MEM=O
FF
s
1
.
.
5
Ii
Icw
4
3
2
8
6
10
12
15
xIn