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Recovery of electron-lens equipment from Tevatron tunnel
Fermilab, August 17-18, 2015
Elias Lopez, Mike McGee, Craig Rogers, Greg Saewert, Giulio Stancari
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TEL-2 modulator

Greg Saewert's stacked-transformer modulator and high-voltage boxes
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TEL-2 electron gun flange

Electron-gun flange inside gun solenoid
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TEL-2 collector

Downstream view
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TEL-2 gun-bend flange

Opened flange and extracted gun with transport tube
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TEL-2 collector

Cover removed, cut signal cables
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TEL-2 collector

Removed steel and aluminum shields
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TEL-2 electron gun

0.6-in hollow electron gun
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TEL-2 electron gun

Inside transport tube
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TEL-2 gun solenoid

Removed electron gun as a whole
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TEL-2 bend

After removal of gun solenoid
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TEL-2 collector and solenoid

Mike McGee photographs the collector assembly on the fork lift
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TEL-2 collector and solenoid

Elias Lopez and Mike McGee position assembly on pallet
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Driver

Craig Rogers operating the fork lift
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TEL-2 bend

Upstream end after removal of gun solenoid
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TEL-2 bend

Looking downstream after removal of gun solenoid
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TEL-2 downstream bend

After removal of collector solenoid
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TEL-2

After removal of gun and collector solenoids
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TEL-2

After removal of gun and collector solenoids
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High-bay area

Elias Lopez trasfers TEL-2 collector assembly to surface
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TEL-1 collector

Before removal
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TEL-1 gun solenoid

After removing high-voltage cables and shields
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TEL-1 electron gun

Flange with high-voltage feed-throughs
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TEL-1 electron gun

On cart after removal
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TEL-1 electron gun

View of cathode and anode
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TEL-1 electron gun

On cart before transport to surface
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TEL-1 upstream bend

After removal of gun solenoid
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TEL-1 downstream bend

Opened vacuum chamber to investigate removal of collector assembly
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TEL-1 downstream bend

Opened flange and cut solenoid support bolts to remove collector assembly as a whole
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TEL-1 collector assembly

Mike McGee and Elias Lopez position the collector assembly on a pallet
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TEL-1 downstream bend

After removal of collector solenoid
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TEL-1 collector and solenoid

View of collector flange, with foam supporting bellows
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TEL-1 collector

Looking down the electron beam path
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TEL-1 collector and solenoid

On pallet, ready to be transported to surface