Sullair DE-18 - Page 85

SECTION 7 DE-18 USER MANUAL
85
COIL REPLACEMENT
1. Remove the retaining clip from top of sole-
noid.
2. Remove data label.
3. Coil is now accessible for replacement.
4. Reassemble in reverse order of assembly.
VALVE DISASSEMBLY MAINTENANCE
1. Remove retaining clip and pull entire sole-
noid enclosure off solenoid base sub-assem-
bly.
2. For normally closed valves, unscrew bonnet
of plunger tube assembly and remove
plunger, spring and body gasket. In some
valves the plunger tube assembly is perma-
nently staked into plunger tube and cover
assembly. (Figure 7-4).
3. Remove cover bolts, cover and plunger dia-
phragm assembly. Care should be taken to
avoid distorting or stretching the hanger
spring between the plunger and diaphragm
assembly.
4. Remove cover bolts, cover, (or plunger tube
& cover assembly) and all internal parts.
5. All parts are now accessible for cleaning or
replacement. Replace worn or damaged
parts. Use all parts for best results.
6. Inspect valve body seat for scratches, nicks,
dents or other blemishes. Replace if dam-
aged.
7. Reassemble in reverse order of disassembly,
paying careful attention to exploded view
provided. Apply 175±25 inch pounds of
torque to the bonnet and 55-60 inch pounds
of torque to the cover screw in a crisscross
pattern. Lubricate all gaskets with Sil-Glide®.
SUMP BREATHER FILTER
MAINTENANCE
Refer to Figure 7-6. This filter (P/N 02250124-860)
prevents sump pressure build-up and traps oil
aerosol emanating from the compressor stages and
gear box. It uses a fine, replaceable element P/N
02250118-258, which may be accessed as follows:
INSPECTION/REPLACEMENT OF ELEMENT
1. Unscrew filter from vent line.
2. Inspect or replace the element with the new
filter.
CAUTION
When metal retaining clip disengages it will
spring upward.
CAUTION
Solenoid must be fully reassembled because
the housing and internal parts complete the
magnetic circuit. Place an Insulating washer at
each end of the non-molded coil.
CAUTION
When metal retaining clip disengages it will
spring upward.
WARNING
Turn off all power, relieve line pressure, and
disconnect coil lead wires to the valve before
making repairs.