Type N201
6
Figure 4.
Type N201 Assemblies (continued)
5. Remove orifice (key 3) and unscrew the disk
holder assembly (key 5). Examine and replace
if necessary.
6. Remove bushing (key 8) and take out the O-ring
(key 7). Examine and replace if necessary. Put
Dow Corning #3 grease (or equivalent) on
the O-ring (key 7).
7. Make sure all parts are clean before reassembling.
To reassemble
1. Replace orifice (key 3) in valve head (key 1).
2. Replace O-ring (key 7) and screw in bushing
(key 8).
3. Replace disk holder assembly (key 5) and
spring (key 21). Screw the disk holder into the
diaphragm head (key 9).
4. Replace upper diaphragm (key 10) on the valve
head (key 1). Align the valve housing (key 2),
spring (key 35), lower diaphragm assembly
(key 32), and valve body (key 17) so that the cap
screws (key 22) can be inserted.
5. Connect tubing (key 39) to angle adaptor in
Type 67/683 (key 30).
inl
ET
50
48
49
51
CH1624
28
31
TyPE 67CW-684
TyPE 67CW-685
