5 Maintenance
Read the instructions carefully. The items refer to the parts list and service kits section.
Handle scrap correctly.
: Relates to the shaft seal.
Step 4
Double mechanical shaft seal:
Unscrew tubes (42) using a spanner.
Step 5
1. Remove impeller (27). If necessary, loosen the impeller by
tapping gently on the impeller vanes
2. Remove the O-ring (38) from the impeller
Counter hold with a screwdriver -
if necessary!
Step 6
1. Remove the O-ring (26) from the back plate (25)
2. Unscrew the nuts (20) and remove the washers (21) and back
plate (25)
Step 7
1. Remove the stationary seal ring (11)
2. Remove the O-ring (12) from the back plate (25)
Use the tool
supplied
Left-hand
thread!
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