Wiring Diagram

#PartDescription ReqNotesAvailability
D1 172-4139 35amp rectifier 1
F1 170-5173 Circuit breaker 1
L1 272-0340 Solenoid valve 1
M1a 272-0544 120V 3 stage vacuum motor 1 (OEM)
M1b 991-1213 120V 3 stage vacuum motor tangential 1 (NON-OEM)
M1c 272-2666 Carbon brush (pkg of 2) 1
M2 272-0521 115V brush motor 1
M3a 272-0170 115V 60 PSI pump 1 (OEM) (before SN 1984765)
M3b 272-8143 115V 60 PSI pump (OBSOLETE) 1 (OEM) (after SN 1984764)
M3c 991-8547 115V 60 PSI pump 1 (NON-OEM)
S1 272-0486 3 position rocker switch 1 (mode selection)
S2 272-0503 Snap action switch 1 (solution spray)
S3 272-0487 2 position rocker switch 1 (constant spray) (18FLX)
N/S 272-1215 Wire assembly 1
N/S 272-1216 Wire assembly 1
N/S 272-1227 Wire assembly 1
N/S 272-1228 Wire assembly 1 (18FLX, 18ST)