Removing The Side Panels - LC Packings SWITCHOS II User Manual

Maintenance and Troubleshooting
To remove/clean the check valves cartridge(s):
a) Unscrew the two check valve bushings (items 15, FIGURE 6-5) and remove
the check valve cartridges.
b) As you replace the check valves, make certain that they are inserted in the
right position (item 13; FIGURE 6-5). Tighten the two check valve bushings
by hand.
c) Alternating from one to the next, tighten the upper and the lower bushing
half a turn at a time.
d) Tighten the two check valve bushings.
Caution: Make certain that the orientation mark on each check valve is placed so
CAUTION
that the mark is on the bottom. Installing the check valves in the wrong direction
may lead to a damage of the pump head.

6.3.6 Removing the Side Panels

The side panels must be removed to gain access to remove the loading pump
and to access the Solvent Selection Valve.
To remove the panels:
a) Remove three screws on the back of each side panel (items 1-6, FIGURE 6-
6).
1
2
3
FIGURE 6-6. Rear View of Switchos
b) Remove the side panels.
6-8
4
5
6
D850R3
User's Manual Switchos II