Section 7
MAINTENANCE
34
1. Relieve all pressure from the separator and all
compressor lines.
2. Disconnect all piping connected to the separator
cover (return lines, service lines, etc.) to Allow lid
removal.
3. Loosen and remove the eighteen (18) hex head
capscrews from the cover/lid plate.
4. Lift the cover/lid plate from the separator.
5. Remove the primary and secondary separator
elements.
6. Scrape the old gasket material from the cover
and flange on the sump being careful not to
let the scraps fall into the sump.
7. Inspect the receiver/sump tank for rust, dirt, etc.
8. Reinsert the separator elements with gaskets
attached into the sump taking care not to dent
the elements against the tank opening. DO NOT
remove grounding staples from elements.
9. Clean underside of the separator tank cover and
remove any rust. DO NOT remove grounding
staples from elements.
10. Replace the cover plate, washers and cap-
screws. Torque to 225 ft-lbs (305Nm).
11. Reconnect all piping making sure return line
tubes extend within 1/4” (6mm) max. above the
bottom of the separator elements. This will
assure proper fluid return flow to the compres-
sor.
12. Check the return line strainer before restarting
the compressor (replacement strainer P/N
02250117-782).
OIL RETURN/SIGHT GLASS MAINTENANCE
Refer to Figure 7-4. The oil return/sight glass sub-
Figure 7-4 Oil Return/Sight Glass
*Replacement Filter Assembly P/N 02250117-782
Figure 7-5 Pressure Regulator Adjustments
To assist with the removal of the tank lid, Sullair
has provided a 1”-8unc nut to the top lid so it can
be removed by a 1”-8unc eyebolt (which is avail-
able from Sullair) or a similar type of lifting device.
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