Pentair Myers WG20 Installation And Service Manual Download Page 1

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NOTE! To the installer: Please make sure you provide this manual to the owner of the equip ment or to the responsible

party who maintains the system.

MODEL WG20

DUPLEX GRINDER PUMPS

INSTALLATION AND SERVICE MANUAL

For Myers WG20 Duplex Grinder Pumps with Lift-Out Rail System Installed

in Fiberglass Basin at Factory as Complete System, or Rail Parts for Installing

in Fiberglass or Concrete Basin by Customer.

Summary of Contents for Myers WG20

Page 1: ...ntains the system MODEL WG20 DUPLEX GRINDER PUMPS INSTALLATION AND SERVICE MANUAL For Myers WG20 Duplex Grinder Pumps with Lift Out Rail System Installed in Fiberglass Basin at Factory as Complete Sys...

Page 2: ...lled in basin bottom and side walls for mounting parts Use machine bolt expansion sleeves 1 1 2 long 3 8 size Use 5 8 carbide drill to drill holes If basin is fiberglass rubber seal washers are furnis...

Page 3: ...rts one pump Allow pump to operate until sump level drops stopping pump IMPORTANT Lower level control or weight should be set so that sump level drops to within 1 or 2 from bottom of pump before stopp...

Page 4: ...TION BOX USE ONLY IF CONTROL BOX IS MOUNTED REMOTE FROM SUMP 36 OR 48 CONCRETE PIPE BASIN OR MANHOLE VALVE SHUT OFF STEM INVERT 36 MINIMUM RAIL SUPPORT YOKE 5 SUPPORT FLANGE 1 1 2 P V C SCHED 40 PIPE...

Page 5: ...ONDUIT TO CONTROL BOX BY OTHERS ELEV ELEV 10 2 FLANGE TO CONNECT WATERPROOF CONNECTION BOX USE ONLY IF CONTROL BOX IS MOUNTED REMOTE FROM SUMP 36 OR 48 FIBERGLASS BASIN VALVE SHUT OFF STEM INVERT 36 M...

Page 6: ...11 4 PIPE PVC SCHED 80 PUMPS OFF LEVEL DISCHARGE CASE STRUCT PLASTIC REINF CONCRETE ANTIFLOTATION BASE REQ D 5 CU FT FOR EACH FOOT OF BASIN DEPTH SWING CHECKVALVE C I DISCONNECT C I ASS Y WG WGL20 PUM...

Page 7: ...8 BASIN COVERW HINGED HATCH P LOCK HASP 1 4 EPOXY COATED STEEL FLOOR PLATE VALVE EXTENSION HANDLE SPECIFY DISCHARGE DEPTH 12 HOLD DOWN PLATE 11 4 ANTISIPHONVALVE PVC 1 REQ D AS REQ D RAILS 1 GALV PIPE...

Page 8: ...LVE BODY 4 INSERT 1 NIPPLE WITH CAP THROUGH EYE PLATE AND SCREW INTO VALVE BODY TIGHTEN SET SCREWS IN GUIDE PLATE 5 TIGHTEN UNION 6 IF LOWER RAIL GUIDE DOES NOT LINE WITH UPPER PLATE TURN 11 2 DISCHAR...

Page 9: ...LATE UPPER GUIDE 1 22414C001 22414C002 12 VALVE CHECK FITTINGS 1 22412C000 22412C001 SLEEVE SEAL GUIDE 1 22422C000 22422C001 RING O 2 1 4 OD x 1 7 8 ID x 3 16 2 05876A036 05876A036 PIPE GALV 1 1 4 x 1...

Page 10: ...LC ALARM CORD 16 2 OPTIONAL Y E L L O W BLACK R E D O R A N G E BLACK W H IT E G R E E N G R E E N O R A N G E R E D B L A C K G R EEN G R E E N WHITE B L A C K RED R E D R ED R E D G R EEN YELLOW Y E...

Page 11: ...2 OPTIONAL Y E L L O W BLAC K R E D O R A N G E B L A C K W H IT E B L A C K G R E E N O R A N G E R E D B L A C K G R EEN WHITE B L A C K RED R E D R ED R E D G R EEN YELLOW Y E LL O W YELLOW Y E L...

Page 12: ...and from the factory or an authorized Pentair Myers service facility This limited warranty will not apply a to defects or malfunctions resulting from failure to properly install operate or maintain t...