Instructions / Assembly
Table Of Contents
- Square D™ Safety Switch User Manual
- Safety Information
- Installation and Operation Requirements
- Exposure to Moisture, Chemicals, and Condensation
- Installation
- Fusible Safety Switches
- Class R Rejection Clip Kits
- Non-Fusible Safety Switch Short Circuit Current Rating
- Ground Kits
- Insulated Neutral Assemblies
- Line Side Barriers
- Service Entry Requirements
- Maintenance
- Wiring Diagrams
- Replacing the Viewing Window 30–200 A
Maintenance Class 3130 / 3110
6. Visually inspect the switch for loose parts or hardware:
a. Retighten the hardware as needed. Refer to the wiring diagram for torque
values.
b. Do not re-energize the switch if any worn or damaged parts are found.
Replace them before re-energizing the switch.
Parts Removal
1. Remove the arc suppressor(s) or arc shield(s) from the switches by loosening the
fastener(s) holding the suppressor(s) / shield(s) in place. See the examples
provided.
2. Remove old grease and other contaminants from the line-side jaws and
switchblades with a clean, lint-free cloth. If the lubricant has dried, remove it with
CRC
®
HF Contact Cleaner, or equivalent, sprayed on a cloth.
3. Lubricate the cleaned areas with a thin film of Dow Corning
®
BG20 grease only.
NOTE: Do not substitute any other lubricant. Other lubricants may not be
suitable for electrical applications and could alter the performance of the
switch. Dow Corning BG20 is available from Square D (part number SWLUB).
4. Exercise the operating mechanism to ensure proper operation by opening and
closing the switch five times with the door closed. Open the switch blades.
CAUTION
HAZARD OF EQUIPMENT DAMAGE
Do not disassemble the switch line base assembly or remove the blade rotor when
cleaning the line-side jaw or the switch blade. See Figure 4, page 26, Examples of
Line Base Assemblies.
Failure to follow these instructions can result in injury or equipment damage.
Figure 2 - Example of Arc Suppressors
Figure 3 - Example of Arc Shields
GEX75737 25