TS20C USER MANUAL SECTION 6
116
6.9 FLUID RETURN/SIGHT
GLASS MAINTENANCE
Refer to Figure 6-6. The fluid return/sight glass
subassembly is located on the side of the sump tank.
Fluid return/sight glass maintenance should be
performed along with that of the fluid filter. Order filter
assembly no. 02250117-782, and use the following
instructions as a guide:
1. Disconnect the tube at bottom of sight glass.
2. Unscrew the sight glass assembly where the
elbow fitting joins the strainer/filter.
3. Remove used filter assembly, and replace
with the new assembly.
4. Inspect and clean the orifice inside the sight
glass blocks.
5. Coat/lubricate the O-rings with silicone
grease.
6. Re-attach the connectors to the sight glass/
orifice blocks.
Figure 6-6: Fluid Return / Sight Glass
1. Tube Connectors
2. Filter Assembly (I)
3. Sight Glass/Orifice Block
4. Secondary Element Orifice .03
5. Primary Element Orifice .06
6. 90° Elbow
7. Pipe Tee
8. Tube Connector
A: From Primary Separator
B: From Secondary Separator
C: To Unit Second Stage
(I) Replacement Filter Assembly P/N 02250117-782