Highcon LOTO Procedure

Disconnect and isolate energy sources

• Equipment ID: Highcon Date Created: 03/07/2025

• Description: High Speed Laser Cutting Machine Person who Created: Howard Cleveland Jr

• Facility: 200 Date Revised:

• Location: 200 Planters Rd. Sunnyvale, TX. 75182-9619 Person Who Revised:

Disconnect and Isolate the energy sources of the Highcon machine

• Main Disconnect Laser: E-1

• Main disconnect Laser Plug: E-2

• Control Cabinet Rotary Switch: E-3

• Main Disconnect Chiller: EC-1

• Main Disconnect Chiller Plug: EC-2

• Main Chiller Rotary Switch: EC-3

• Chiller outlet from Machine: C-1

• Chiller outlet from Chiller: C-2

• Chiller Manifold inlet: C-3

• Chiller Manifold Outlet: C-4

• Main Air: A-2

Main disconnect Laser: E-1

1. Alert those in the area that you will be securing the equipment to perform maintenance. 2. Move the disconnect lever from the On position to the Off position. 3. Attach a hasp to the disconnect lever. 4. Attach a lock to an open position on the hasp.

Main disconnect Laser Plug: E-2

*IF NEEDED DISCONNECT PLUG FOR AN EXTRA LAYER OF PROTECTION* 1. Turn the locking collar and separate the plug There is no lockout device large enough for this plug, place Cap on plug and secure.

Control Cabinet Rotary Switch: E-3

1. Turn the Rotary switch from the On position to the Off position. 2. Attach a hasp to the rotary switch. 3. Attach a lock to an open position on the hasp.

Main Disconnect Chiller: EC-1

1. Alert those in the area that you will be securing the equipment to perform maintenance. 2. Move the disconnect lever from the On position to the Off position. 3. Attach a hasp to the disconnect lever. 4. Attach a lock to an open position on the hasp.

Main Disconnect Chiller Plug: EC-2

*IF NEEDED DISCONNECT PLUG FOR AN EXTRA LAYER OF PROTECTION* 1. Turn the locking collar and separate the plug There is no lockout device large enough for this plug, place Cap on plug and secure.

Main Chiller Rotary Switch: EC-3

1. Turn the Rotary switch from the On position to the Off position. 2. Attach a hasp to the rotary switch. 3. Attach a lock to an open position on the hasp.

Chiller outlet from machine: C-1

1. Close Ball valve. 2. Add Ball valve lockout device. 3. Add hasp to Ball valve lockout device. 4. Add lock to hasp.

Chiller outlet from Chiller: C-2

1. Close Ball valve. 2. Add Ball valve lockout device. 3. Add hasp to Ball valve lockout device. 4. Add lock to hasp.

Chiller Manifold Inlet: C-3

1. Close Ball valve. 2. Add Gate valve lockout device. 3. Add hasp to Gate valve lockout device. 4. Add lock to hasp.

Chiller Manifold Outlet: C-4

1. Close Gate valve. 2. Add Gate valve lockout device. 3. Add hasp to Gate valve lockout device. 4. Add lock to hasp.

Main Air: A-2

1. Close Ball valve. 2. Add Ball valve lockout device. 3. Add hasp to Ball valve lockout device. 4. Add lock to hasp.

Main disconnect Laser: E-1

1. Alert those in the area that you will be removing the lock out devices to place the equipment back in operation. 2. Remove the lock from the hasp. 3. Remove the hasp from the disconnect lever. 4. Move the disconnect lever from the OFF position to the ON position.

Main disconnect Laser: E-2

*IF NEEDED DISCONNECT PLUG FOR AN EXTRA LAYER OF PROTECTION* Remove the Cover, connect the plug, secure the collar locking device.

Control Cabinet Rotary Switch: E-3

1. Remove the lock from the hasp 2. Remove the hasp from the rotary disconnect switch. 3. Rotary Disconnect Switch from the Off position to the On position

Main Disconnect Chiller: EC-1

1. Remove the lock from the hasp. 2. Remove the hasp from the disconnect lever. 3. Move the disconnect lever from the OFF position to the ON position.

Main Disconnect Chiller: EC-2

*IF NEEDED DISCONNECT PLUG FOR AN EXTRA LAYER OF PROTECTION* Remove the Cover, connect the plug, secure the collar locking device.

Main Chiller Rotary Switch: EC-3

1. Remove the lock from the hasp 2. Remove the hasp from the rotary disconnect switch. 3. Rotary Disconnect Switch from the Off position to the On position

Chiller outlet from machine: C-1

1. Remove lock from hasp 2. Remove hasp from Ball valve lockout device. 3. Remove Ball valve lockout device. 4. Open Ball valve.

Chiller outlet from Chiller: C-2

1. Remove lock from hasp 2. Remove hasp from Ball valve lockout device. 3. Remove Ball valve lockout device. 4. Open Ball valve.

Chiller Manifold Inlet: C-3

1. Remove lock from hasp. 2. Remove hasp from Gate valve lockout device. 3. Remove Gate valve lockout device from the Gate Valve. 4. Open Gate Valve.

Chiller Manifold Outlet: C-4

1. Remove lock from hasp. 2. Remove hasp from Gate valve lockout device. 3. Remove Gate valve lockout device from the Gate Valve. 4. Open Gate Valve.

Main Air: A-2

1. Remove lock from hasp 2. Remove hasp from Ball valve lockout device. 3. Remove Ball valve lockout device. 4. Open Ball valve. 5. Alert everyone in the vicinity that you are about to restart the equipment. 6. Restart equipment and monitor for proper operation.