37
Rotavapor
R-220 EX
6 Maintenance
6.5 Inserting the evaporating flask seal
• Insert the vapor duct.
• Insert the seal. Using gentle pressure, shove it across the
lock preventing it from twisting out of position, and then
shove it all the way in. Press it with both thumbs until it
latches in position.
• The knob
in the gearhead must come to rest in the
notch
in the vapour duct.
6.6 Replacement of the Seals for the Distribu tion
Head
• Open the DN70 EasyClamp by releasing the knurled nuts
on all 3 bolts, but do not screw the nuts completely off.
• Tilt the top bolt out toward the back.
• Open the upper and lower EasyClamp segments and
carefully lift the distribution head off the glass assembly.
Fig. 6.4: Inserting the evaporating flask seal 1
Fig. 6.6: Replacement of the seals for the distribution head
Fig. 6.5: Inserting the evaporating flask seal 2
