6 Operation
42 K-439 Operation Manual, Version B
• Insert the prepared sample tubes into the rack(s) 2— start with the first (front) position.
• Install the rake 3 to interlock the sample tubes at their head side. Check for secure interlocking!
• To separate the rack from the carrier, pull the unlock buttons 4 on both sides of the rack and lift it
off the carrier.
!
WARNING
Risk of death or serious chemical burns by acids or peroxides when rack tilts.
• Do not use faulty parts
• Install the rack on an even and stable surface
• Support the rack at the handlebars when installing the rake
• Check for proper seating and safe position of the glassware before lifting the rack from the
carrier
4
5
Glass cap (for unused positions)
• When the digestion session does not require a full set of samples equip unused positions with a
glass cap to tighten the suction circuit 5!
• Follow the installation steps in section 6.7.3 to install the suction module.
• If applicable, follow the previous steps to install sample tubes in a second rack.
➡ The sample tubes are now securely installed in the rack(s) and can now safely be processed in the
SpeedDigester.
Note
• Unused positions should be arranged at the rear end of the rack.
• Close unused positions with a glass cap towards the suction unit.
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