SN55, SN55S, SN55V, SN75, SN75S, SN75V User Manual
6: Maintenance
02250247-571 R04
Subject to EAR, ECCN EAR99 and related export control restrictions.
72
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
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.
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.
Figure 6-3: Separator element assembly
1. Capscrew
2. Lock washer
3. Cover plate
4. Separator element
1
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
WARNING
High-pressure hazard.
Relieve all pressure from the separator/sump
tank and all compressor lines.