6 Operation
32 K-425 / K-436 Operation Manual, Version B
6.2.4 Installing 500 ml sample tubes
Unlike 300 ml (and 250 ml) sample tubes, 500 ml tubes can not simply be inserted into the appro-
priate rack. The information in this section serves to set up this type of sample tube properly and
safely in the rack.
Installation steps:
For installation and handling all parts must be < 40 °C!
*
C
L
I
C
K
*
1
2
3
frontside
rear side
• Plug the rack into the carrier 1.
➥ Two audible *click* sounds will appear as soon as the rack is securely locked at the carrier!
➥ Check the locking by lifting the rack together with the carrier (carrier must follow the rack)
• 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
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