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Figure 19, Tool for piston seal (6.2617.010), Figure 20 – Metrohm 930 Compact IC Flex Oven/SeS/PP/Deg User Manual

Page 85: Removing the piston cartridge from the pump head

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5 Operation and maintenance

930 Compact IC Flex Oven/SeS/PP/Deg (2.930.2560)

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75

2

1

Figure 19

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 20

Removing the piston cartridge from the pump head

1

Piston cartridge

2

Backup ring

1 Removing the piston cartridge

Loosen the piston cartridge (18-9) 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 (18-4) out of the piston opening. Place it off
to the side.