Inlet Control Solenoid Valve Maintenance - Sullair DR13 125H Operator's Manual And Parts List

Figure 7-3 Control Air Filter (P/N 02250112-032)
*Repair Kit P/N 02250112-031
ment and seal), and repair kit no. 02250115--960
(float assembly and seals).
WARNING
!
DO NOT remove caps, plugs, and/or other compo-
nents when compressor is running or pressurized.
Stop compressor and relieve all internal pressure
before doing so.
1. Detach the body from the bowl by twisting the body
about the bowl as far as it can go (approximately
1/8 turn), and pulling apart.
2. At this time, unscrew the baffle from the body. Re-
move the element.
3. Discard the element.
4. Replace the element with the new one found in the
repair kit, and reinstate into position on the body
stem. Replace baffle and tighten.
5. Loosen and remove the nut on the bottom of the
bowl.
6. Remove the float assembly and seals.
7. Replace the seals with those found in the repair kit.
Coat seals with same fluid as used in compressor
fill before installation to promote proper sealing.
8. Replace those items in the float assembly with
those found in the repair kit.
9. Replace the float assembly into the bowl. Tighten
the nut.
10. Re--connect the body and bowl assemblies.
7.7.4 INLET CONTROL SOLENOID VALVE (P/N
250025- -516) MAINTENANCE
Refer to Figure
250025--516) maintenance is quite minimal but a pe-
riodic cleaning is desirable. The time between clean-
ings will vary depending on operating conditions. In
general, if the voltage to the coils is correct, sluggish
valve operation or excessive leakage will indicate
that cleaning is required. If parts replacement is re-
quired, order repair kit no. 02250053--334 (valve)
and no. 250031--431 (coil) and follow the procedure
explained below.
Turn off all power, relieve package pressure, and
disconnect coil lead wires to the valve before mak-
ing repairs. It is not necessary to remove the valve
from pipework for repairs.
DISASSEMBLY AND REASSEMBLY
1. Remove the retaining clip from top of solenoid.
When metal retaining clip disengages it will spring
upward.
2. Remove nameplate, cover and spring washer.
3. Slip yoke containing coil, sleeves, insulating wash-
ers (omitted from molded coil) and grounding wire
off solenoid base sub--assembly.
4. Coil is now accessible for replacement.
5. Reassemble in reverse order of assembly.
Solenoid must be fully reassembled because the
housing and internal parts complete the magnetic
Section 7
MAINTENANCE
NOTE
7--4. Solenoid valve (P/N
WARNING
!
CAUTION
!
CAUTION
!
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