Cryomech LNP-40, Инструкция по установке, эксплуатации и текущему обслуживанию

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Routine Maintenance
8-2
8.3 Cold head
CAUTION
Service to the cold head must be performed using Cryomech parts and the
appropriate work instruction.
CONTACT CRYOMECH IF THE COLD HEAD NEEDS SERVICING.
8.4 Helium compressor adsorber replacement
Required tools - CP800 Series Compressors
Quantity Description Comment
1 1” Open end wrench
For Aeroquip
®
coupling
1 1-1/8” Open end wrench
For Aeroquip
®
coupling
1 1-3/16” Open end wrench For Aeroquip
®
coupling
1 Slotted screwdriver For ¼ turn cover screws and hose clamp
Required tools - CP900 Series Compressors
Quantity Description Comment
1 1-3/8" Open end wrench
For Aeroquip
®
coupling
2 1-5/8" Open end wrench For Aeroquip
®
coupling
1 Slotted screwdriver For ¼ turn cover screws and hose clamp
CAUTION
At no time should the Aeroquip
®
couplings be removed from the adsorber when
replacing the adsorber. Replacement can be completed without relieving system
pressure since the adsorber is equipped with Aeroquip
®
couplings for sealed
removal.
1) Shut down the system by pressing the OFF button, then switching the helium
compressor package circuit breakers off, and disconnecting the input power from the
compressor package.
2) Disconnect both helium flex lines from the compressor.
3) Water Cooled Systems - Remove the cover from the compressor package.
a. Remove the 8 quarter-turn screws that hold the cover on and retain them.
b. Lift the cover straight up and off of the compressor package.
WARNING
The input power must be disconnected from the helium compressor package before
removing any helium compressor package panels.
08Jun11