Solenoid Valve Maintenance - Sullair LS-25S Operator's Manual And Parts List

Figure 6 ---9 Fluid Stop Valve (P/N 016742)
* Repair Kit P/N 001684
3. Remove o---ring from piston and discard. Re-
move quad ring from cylinder and discard.
4. Place new o---ring over piston and apply light
coating of compressor lubricant to o---ring and
inside wall of cylinder. Position quad ring in cylin-
der flange recess.
5. Carefully slide cylinder over piston and secure to
housing with six (6) capscrews (4 to 5 ft.---lbs. [5
to 7 Nm]).
6. Reconnect pilot tubing and make sure all joints
are properly tightened before starting compres-
sor.

SOLENOID VALVE MAINTENANCE

Refer to Figur e 6 --- 1 0
250038---668) maintenance is quite minimal but a
periodic cleaning is desirable. The time between
cleanings will vary depending on operating condi-
tions. In general, if the voltage to the coils is correct,
sluggish valve operation or excessive leakage will
indicate that cleaning is required. If parts replace-
ment is required, order repair kit number
. S ol enoid val v e ( P/N
Section 6
MAINTENANCE
Figure 6 ---10 Solenoid Valve (P/N 250038 ---668)
* Repair Kit P/N 250038---673 (valve)
** Repair Kit P/N 250031---738 (coil)
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