Removal and Replacement Procedures
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10 Removal and Replacement Procedures
These procedures are intended to be a guideline for removing and replacing various components
of the system, for either routine maintenance or basic repair of the system. They are not
intended to be exact step-by-step instructions. It is assumed that the person using these
procedures is capable of performing basic mechanical and electrical tasks.
10.1 Blower
To replace the blower, proceed as follows.
1
Turn off the blower.
2
Turn off the system main power.
3
Remove the left side panel from the purifier module.
4
Remove the electrical connector from the blower.
5
Loosen and remove the two clamps that attach the piping. Cover the opening with KF-40
blanks or plastic caps to prevent excess outside air from entering the system.
6
Remove the blower box assembly and replace it with a new one.
7
If possible, purge the box piping with working gas.
8
Connect the piping with the clamps.
9
Connect the electrical connector.
10
Power the system on and check for leaks.
10.2 Column
To replace the filter material in the purifier column you will need a vacuum cleaner, funnel, and
a waste bins to collect old material.
1
Turn off the blower.
2
Turn off the system main power.
3
Place the waste bin under the bottom port of the column.
4
Remove the two KF-40 clamps and blanks from the side of the column.
Note:
As soon as the bottom blank is removed the filter material will begin to come out.
5
Drain the old material and use the vacuum to remove any remaining material.
6
Empty the entire contents of the purifier according to your safety regulations.
7
Replace the blank onto the bottom port of the column.
8
Use the funnel in the top port of the column and add half of the molecular sieve, all of the
copper catalyst, and then the rest of the sieve.
9
Replace the blank to the top port of the column. Be certain that KF-40 connections are tight.
10
Restore the main power to the system.
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