7 Maintenance
68
7.3.8
Replacing the zero gas purifier element
1.
Turn OFF the main power ELB.
2.
Disconnect the power connector.
3.
Disconnect the hose band of joint 1 from the catalyst tube.
4.
By loosening the hose band of joint 2, pull off the catalyst tube downward.
5.
When the joint is broken, replace it.
6.
Replace the catalyst tube and assemble it by the reversed procedure.
7.
Connect the power connector, and warm it up for approximately 30 minutes.
Note
Attach the catalyst tube with the correct orientation so that the arrow mark faces downward.
Fig. 60 Replacing the zero gas purifier element
CAUTION
High Temperature
The catalyst tubes as well as joints are in high temperature. Replace the catalyst
tubes at earliest after one hour from power OFF.
Joint 1
(H0523883001)
Joint 2
Catalyst tube
(9057005200)
