Instructions / Assembly

Class 3130 / 3110 Maintenance
Figure 4 - Examples of Line Base Assemblies
Figure 5 - Insulating Plugs on Pole Unit
Insulating plug
Parts Replacement
1. Reinstall the arc suppressor(s) or arc shield(s) according to the torque values in
the table, page 26 below.
2. Ensure that the two insulating plugs in each phase (400–1200 A only) are firmly
seated. See Figure 5.
Table 9 - Arc Suppressor Screw Torque Values
Switch Type Torque Value
30–100 A
5–10 lb-in. (0,57–1,13 N•m)
200 A, F Series
10–20 lb-in. (1,13–2,26 N•m)
200 A, E Series
20–25 lb-in. (2,26–2,83 N•m)
400–800 A General Duty 20–25 lb-in. (2,26–2,83 N•m)
400–1200 A Heavy Duty 30–40 lb-in. (3,39–4,52 N•m)
Re-Energize the Switch
1. Close and latch the door.
2. Turn off all downstream loads.
3. Turn on power supplying the switch.
4. Turn on the switch.
5. Turn on all downstream loads.
26 GEX75737