Siemens UL 489 - Exchanging Primary Disconnects

24 – 11
24.6 Exchanging the primary disconnects
(1) Finger cluster
(2) Stab tip
24.6.1 Exchanging the finger cluster
- OPEN the circuit breaker and discharge the closing spring  (page 24-2)
- Remove the circuit breaker from the cradle  (page 24-3)
All frame sizes
1...4 Remove M4 collar screws
5 Remove finger cluster
6 Assemble new finger cluster
7...10 Assemble M4 collar screws
DANGER
Hazardous voltage.
Will cause death, serious personal injury, or equipment damage.
Turn off and lock out all power supplying this equipment before working on this device.
0639-1_nu
(1)
(2)
PZ 2
3,2 Nm
28 lb-in
5
4
2
1
3
6
7
8
10
9
(1)
PZ 2
(1) Self-tapping M4 collar screw