Heidolph LABOROTA 4000 eco - Manual (Page 44)

44
E
4 Install vapor tube
view fig. 1,4,5
The vapor tube ass'y. (8) is packed with the glassware kit. First remove coupling ring from
flange (12), remove cocking spring (13) and PTFE-seal (11), unthread vapor tube coupling
ring (9) from drive (4) and remove clamping sleeve (10) by pulling.
Slip coupling ring (9) and clamping sleeve (10) on vapor tube (8), bead pointing forward.
fig. 4
Make sure, small bead on ID of clamping sleeve (10) snaps into groove of vapor
tube (8).
Introduce vapor tube ass'y. (8) into drive head from the right and secure on drive head with
coupling ring (9). Pull ring hand-tight.
For pulling tight and loosening the vapor tube's coupling ring (8), drive shaft (4)
can be locked with button (23).
Slip PTFE seal (11), sealing edge pointing forward, over vapor tube (8), from the
left. Location of sealing edge is very important to guarantee proper sealing
action under vacuum.