BUCHI KjelSampler K-377 - Manual (Page 136)

7 Maintenance
136 K-375/376/377 Operation Manual, Version B
7 .5 .4 Replacement of the wave spring
• Remove the rack and move the sampler arm to the service position.
• Remove the dip tube.
• Pull the wave spring together with the wave spring holder out of the sampler arm from below:
• Plug a new wave spring with a new holder from below into the sampler arm:
NOTE
Make sure that one of the clips of the
holder presses on the spring inside the
sampler arm. (See arrow in the figure
beneath.)
Otherwise the sample tube detection will
not work!