Sullair SN55 User Manual page 73

SN55, SN55S, SN55V, SN75, SN75S, SN75V User Manual
6.7 Separator maintenance
Replace the separator element when indicated by the
STS Controller or after one (1) year, whichever comes
first. The separator element must be replaced. Do not
attempt to clean the separator element.
6.7.1 Separator element replacement
1. Capscrew
2. Lock washer
3. Cover plate
4. Separator element
5. Separator/sump tank flange
6. Separator/sump tank
7. Fluid drain
1
Separator element replacement kit P/N: 02250218-061
Separator element P/N: 02250214-961
Figure 6-3: Separator element assembly
1
02250247-571 R04
Subject to EAR, ECCN EAR99 and related export control restrictions.
Refer to Figure 6-3. The separator element must be
changed when indicated by the STS Controller, or once a
year, whichever occurs first. Follow the procedure
explained below for separator element replacement.
High-pressure hazard.
Relieve all pressure from the separator/sump
tank and all compressor lines.
1. Disconnect all piping connected to the separator
cover plate.
2. Loosen and remove thetwelve (12) hex head
capscrews(⅝ in × 2½ in) and lock washers from
the cover plate.
• Always discard the lock washers.
3. Lift the cover plate from the separator/sump tank.
4. Remove the separator element.
5. Scrape any old gasket material from the under-
side of the cover plate and the separator/sump
tank flange
• Do not let any scraps fall into the separator/
sump tank.
6. Inspect the separator/sump tank for rust, dirt, etc.
7. Insert a new separator element into the separa-
tor/sump tank taking care not to dent the element
against the tank opening.
• Do not remove the staples from the separator
element.
• Do not use any type of gasket eliminator.
8. Replace the cover plate, lock washers and cap-
screws. Torque to140 ft·lbs. (190 N·m).
• Always use new lock washers.
9. Verify continuity between the separator element
and the separator/sump tank.
10. Reconnect all piping.
• The fluid return line tube should extend to ⅛"
above the bottom of the separator element to
ensure proper return line flow.
11. Clean the return line strainer before restarting
the compressor.
6: Maintenance
WARNING
72