Endress+Hauser SpectraSensors SS500 - To Replace the Membrane Separator; Figure B-11 Setting;Locking the Needle Valve

SS500/SS2000 Analyzer
B–14 4900002285 rev. B 3-25-20
2. Loosen the handle screw with a 1/16” Hex key wrench and remove
the handle from the valve. Set aside.
3. Adjust the stem to the desired handle stop position.
4. Reposition the handle on the stem by aligning the handle screw with
“flat” on the stem. Slide the handle down on the stem until the
handle rests on top of the bonnet.
5. Tighten the handle screw to maintain the new handle stop position.
6. Test the valve for proper operation.
7. Lock in the flow setting by tightening the lock screw at the base of
the handle using a 0.050” Hex key wrench, if necessary.
Toreplacethemembraneseparator
Use the following steps to replace a membrane separator. Refer to Table A–3
on page A–13 for a list of spare parts.
1. Turn off the flow from the customer-installed shut-off valve at the
sample tap.
2. Unscrew the cap from the membrane separator using a channel lock
wrench.
Do not overtighten the stem in the body.
Figure B–11 Setting/locking the needle valve
STEM
HANDLE
HANDLE STOP
FLAT
HANDLE SCREW
LOCK SCREW
BODY
BONNET