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5 Operation and maintenance
930 Compact IC Flex Oven/ChS/PP/Deg (2.930.2360)
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Figure 18 Tool for piston seal (6.2617.010)
1
Tip
2
Sleeve
Spare part For this step you need a new piston seal (6.2741.020).
Replacing the piston seal
Figure 19
Removing the piston cartridge from the pump head
1
Piston cartridge
2
Backup ring
1
Removing the piston cartridge
Loosen the piston cartridge (17-9) using the adjustable wrench and
then unscrew it from the pump head by hand. Place it off to the side.
2
Removing the backup ring
Shake the backup ring (17-4) out of the piston opening. Place it off
to the side.
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