SECTION: Z4.10.345
ZM3208
1119
Supersedes
New
NOTICE TO INSTALLER: Instructions must remain with installation.
Since 1939 the name Zoeller
®
has represented the standard for
submersible dewatering and sewage pumps. The same high quality
workmanship and easy maintenance design has been incorporated
into this line of heavy-duty submersible grinder pumps.
This manual incorporates the parts list and repair instructions into
one document to aid in the ownership of a Zoeller
®
submersible grinder
wastewater product. Please read and review this manual before repairing
REPAIR MANUAL
7020 & 7021 PROGRESSING CAVITY GRINDER PUMPS
Table of Contents
Safety Instructions .................................................................................... 1
Replacement Parts Breakdown ..........................................................2-3
Disassembly Procedures .......................................................................... 4
Assembly Procedures ............................................................................5-6
Pump Wiring Diagrams ............................................................................. 7
Service Checklist ....................................................................................... 8
Safety Instructions
TO AVOID SERIOUS OR FATAL PERSONAL INJURY OR MAJOR
P R O P E R T Y D A M A G E , R E A D A N D F O L L O W A L L S A F E T Y
INSTRUCTIONS IN THIS MANUAL AND ON THE PUMP.
THIS MANUAL IS INTENDED TO ASSIST IN THE INSTALLATION AND
OPERATION OF THIS UNIT AND MUST BE KEPT WITH THE PUMP.
This is a
SAFETY ALERT SYMBOL.
When you see this symbol on the pump or in the
manual, look for one of the following signal words
and be alert to the potential for personal injury or
property damage.
Warns of hazards that
WILL
cause serious personal
injury, death or major property damage.
Warns of hazards that
CAN
cause serious personal
injury, death or major property damage.
Warns of hazards that CAN cause personal injury or
property damage.
INDICATES SPECIAL INSTRUCTIONS WHICH ARE
VERY IMPORTANT AND MUST BE FOLLOWED.
THOROUGHLY REVIEW ALL INSTRUCTIONS AND WARNINGS PRIOR
TO PERFORMING ANY WORK ON THIS PUMP.
MAINTAIN ALL SAFETY DECALS.
CAUTION
Short Term Storage
PLEASE FURNISH THE FOLLOWING INFORMATION:
• Model Number
• Part Number of Pump
• System Voltage
• Replacement Reference Part Number and Description. (refer to pages
2 - 3)
To Order Replacement Parts
the product. Follow the steps and procedures listed on ZM1074 for a
proper start-up upon installation. Many items contained within, when
followed correctly, will not only ensure a long and problem-free life for
the pump, but also save time and money during installation. Reference
ZM2607 for owner’s manual on 7020 and 7021 Series Pumps. Should
further assistance be necessary please call our Product Support
Department at 1-800-928-PUMP (7867).
Storage of six months or less will not damage the submersible pump.
However, to ensure the best possible protection, the following is
advised:
• Store pump inside whenever possible or cover with some type of
protective covering.
• Tape or seal in plastic bag the terminal ends of wire leads.
• Spray coat unpainted surfaces with rust-inhibiting oil.
• See ZM2607 - Owner’s Manual before start-up.
MAIL TO:
P.O. BOX 16347 • Louisville, KY 40256-0347
SHIP TO:
3649 Cane Run Road • Louisville, KY 40211-1961
(502) 778-2731 • 1 (800) 928-PUMP •
FAX
(502) 774-3624
Visit our website:
zoellerengineered.com
Product information presented
here reflects conditions at time
of publication. Consult factory
regarding discrepancies or
inconsistencies.
© Copyright 2019 Zoeller
®
Co. All rights reserved.
