Varian TriScroll 300 Series, Maintenance Manual

Page: 56 / 100

46
TriScroll 300 Dry Scroll Vacuum Pump
D
R
A
FT
4/
29
/0
4
PTS03001UNIV and PTS03003UNIV only
1. Apply a small amount of Loctite PST 567
pipe sealant to the first few threads of
breather vent.
2. Insert and tighten the breather vent into the
air ballast port.
PTS03101UNIV and PTS03103UNIV only
1. Apply a small amount of Loctite PST 567
pipe sealant to the first few threads of
1/4 NPT brass plug.
2. Insert the plug into the air ballast port and
tighten.
3. Apply a small amount of Loctite PST 567
pipe sealant to the first few threads of the
second 1/4 NPT brass plug.
4. Insert the plug into the bearing purge port
and tighten.
Inboard Housing Assembly (continued)
NOTE The photo shows a
breather vent being
installed into the air ballast
port.