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7 Maintenance
67
7.3.7
Replacing NOx converter element
1.
Turn OFF the main power ELB.
2.
Disconnect the power connector.
3.
Loosen the hose band of joint 1 to remove the 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. 59 Replacing NOx converter 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.
Catalyst tube
Joint 1
(H0444406001)
Joint 2
(9057005100)
Содержание ENDA-5000
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