5 Maintenance
Study the instructions carefully.
The imtes refer to the parts list and service kits section.
Handle scrap correctly.
Step 2
1. Disconnect cylinder (5) from bonnet (16).
2. Pull off o-ring (13) from the bonnet.
Step 3
1. Pull out piston (11) and spring packet (6).
2. Pull off o-rings (2, 9) from the piston.
3. Remove guide ring (8) from the piston (DN125/DN150).
Step 4
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Remove guide ring (17) from bonnet (16).
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Remove guide rings (18, 19) from bonnet (16) (DN125/DN150)
DN125/DN150
Step 5
Remove lip seal (20) from bonnet (16), (DN125/DN150).
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