Table of Contents
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Loadbuster
®
-The S&C Loadbreak Tool
Outdoor Distribution (14.4 kV through 34.5 kV)
Table of Contents
Section
Qualified Persons . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Read this Instruction Sheet . . . . . . . . . . . . . . . . . . . 2
Retain this Instruction Sheet. . . . . . . . . . . . . . . . . . . 2
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Application Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Single-Pole Switching . . . . . . . . . . . . . . . . . . . . . . . . 4
Pad-Mounted Gear . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Understanding Safety-Alert Messages . . . . . . . . . . . 6
Following Safety Instructions . . . . . . . . . . . . . . . . . . 6
Replacement Instructions and Labels . . . . . . . . . . . 6
Location of Safety Labels . . . . . . . . . . . . . . . . . . . . . 7
September 8, 2020
© S&C Electric Company 2001-2020, all rights reserved
Installation
Page
Section
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Overhead Distribution Devices . . . . . . . . . . . . . . . . .12
Pad-Mounted Gear . . . . . . . . . . . . . . . . . . . . . . . . . .15
Understanding the Operation Counter . . . . . . . . . . .17
. . . . . . . . . . . . . . . . . . . . . . . . . 8
. . . . . . . . . . . . . . . . . . .10
Instruction Sheet 811-505
Page
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Summary of Contents for S&C Loadbuster
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Page 1: Table Of Contents
Loadbuster ® —The S&C Loadbreak Tool Outdoor Distribution (14.4 kV through 34.5 kV) Installation Table of Contents Section Page Section Page Introduction Safety Precautions ......8 Qualified Persons . -
Page 2: Introduction
8. The latest version of this publication is available online in PDF format at sandc.com/en/support/product-literature/. Retain this This instruction sheet is a permanent part of your Loadbuster tool. Designate a location where you can easily retrieve and refer to this publication. Instruction Sheet Warranty The warranty and/or obligations described in S&C’s Price Sheet 150, “Standard Conditions... -
Page 3: Proper Application
The Loadbuster tool must only be used for specific switching applica tions that are within the ratings of the tool selected. Loadbuster tool ratings are listed on a ratings label attached to the chassis of the tool. Ratings are also listed in Specification Bulletin 811-31. -
Page 4: Single-Pole Switching
Restrictions on The Loadbuster tool must be used only with disconnects, cutouts, power fuses, fuse limiters, or pad-mounted gear that meet S&C’s applicable minimum construction speci ca- Overhead and... -
Page 5: Clearance Requirements For Use On Pad-Mounted Gear
Above 15.5 through 27 2 (51) • Never position the Loadbuster tool so its outer tube obscures the line of vision. See Figure 1 on page 10 for correct positioning. • To coordinate the Loadbuster tool (catalog number 5300R3) maximum voltage... -
Page 6: Safety Information
Safety Information Understanding Several types of safety-alert messages may appear throughout this instruction sheet and on labels and tags attached to the Loadbuster tool. Familiarize yourself with these types Safety-Alert of messages and the importance of these various signal words:... -
Page 7: Location Of Safety Labels
Safety Information Location of Safety Labels Reorder Information for Safety Labels Safety Alert Location Description Part Number Message NOTE To ensure resetting, depress telescoping tube until orange band . . . G-5840R1 G-4401 (for 5300R3) RESET AFTER EACH OPERATION—To check for proper WARNING G-4401 (for 5300R3-E) resetting . -
Page 8: Safety Precautions
Safety Precautions DANGER The Loadbuster loadbreak tool is used to switch equipment that operates at high voltage. Failure to observe the precautions below will result in serious personal injury or death. Some of these precautions may differ from your company’s operating procedures and rules. -
Page 9: Shipping And Handling
Shipping and Handling Inspection Examine the shipment for external evidence of damage as soon after receipt as possible, preferably before removal from the carrier’s conveyance. Check the bill of lading to make sure all listed shipping skids, crates, cartons, and containers are present. -
Page 10: Operating Considerations
(183 cm) long [8 feet (244 cm) for catalog number 5400R3] with the frame of the tool in line with the pole. As shown in Figure 1, Detail A or B, the Loadbuster tool must be attached so it reaches across in front of the fuse cutout, disconnect, power fuse, or fuse limiter. -
Page 11: Operation
Operation Figure 2. Recommended aerial bucket positions for an operator using the Loadbuster tool with overhead distribution devices. Figure 3. Recommended pole positions for an operator using the Loadbuster tool with overhead distribution devices. S&C Instruction Sheet 811-505... -
Page 12: Overhead Distribution Devices
Loadbuster tool is now connected across the upper contact of the power fuse. See Figure 4. Attachment hook Anchor Anchor Anchor Pull-ring Pull-ring hook Pull-ring latch Figure 4. The Loadbuster tool connected to a Type SMD-20 Power Fuse, outdoor distribution. S&C Instruction Sheet 811-505... - Page 13 To perform this operation easily and smoothly, always roll the Loadbuster tool so it rotates in an upward direction. Figure 6. Detaching the Loadbuster tool from a power fuse. S&C Instruction Sheet 811-505...
- Page 14 Operation STEP 5. To reset the Loadbuster tool for the next operation, hold as shown in Figure 7. Extend the tool slightly and lift the resetting latch with the thumb. With the latch up, press down on the inner tube assembly until the tool is closed completely so the trigger can reset itself.
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Page 15: Pad-Mounted Gear
When using the Loadbuster tool in pad-mounted gear, avoid any tendency to grasp the pole close to the Loadbuster tool end. Be sure instead to grasp the pole near the end opposite the Loadbuster tool. Although the following text and figures describe the Figure 8. - Page 16 Disen gage the anchor from the attachment hook and withdraw the tool. STEP 5. Reset the Loadbuster tool for the next operation as described in Step 5 on page 14. Figure 11. Detaching the Loadbuster tool from a power fuse. S&C Instruction Sheet 811-505...
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Page 17: Understanding The Operation Counter
The operation counter is built into the Loadbuster tool’s silencer and can be easily added to existing tools. Figure 12. The Loadbuster tool’s Operation counter.