17.3.9.3 Solenoid Coil
a. Switch off air supply and drain system. b. Apply proper voltage to the coil and listen for a pronounced “Click” as the pole
moves.
c. If a pronounced “Click” occurs and the valve does not function follow instructions for
replacing the main diaphragm and solenoid diaphragm.
d. If the “Click” is not heard, replace solenoid with either a part for 1” valve or 1.5”
valve.
17.3.10 When servicing pulse valves, refer to the diagram below.
Item Description
DP 20 (3/4") DP 25 (1") DP 40 (1 1/2")
1
Core Tube
TP10
TP10 NGP M10 BH10
TP10 NGP M10 BH10
2 Plunger Assembly NGP
3 4
Nut & Washer
M10 BH10
Coil
5 PG9 6 Screws & Washer M 6 X 20 M 6 X 20 M 6 X 20 7 Cover C 25 C 25 C 25 8 Diaphragm M 25 M 25 M 25 9 Screws & Washer M 8 X 20 10 Middle Cover I C 40 11 Diaphragm Spring S R 12 Main Diaphragm M 40 13 Body BDD 20 BDD 25 BDD 40 14 Conic Seal GCON20 GCON25 GCON40 15 Seal Retainer OG20 OG25 OG40 16 Coupling TDAL20 TDAL25 TDAL40 Connector PG9 PG9
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