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Chapter 1 — Service Manual Overview
This manual contains information about servicing, rebuilding, and troubleshooting the Extreme-
Series grinder pumps. A thorough understanding of these products will save you valuable time
when troubleshooting and repairing Environment One Grinder Pumps. This manual is
separated into different sections/chapters to make it easy to locate the correct information
quickly. This manual contains information specific to the hardwired model. Refer to the Index in
the back of the manual to locate the pages covering the specific subject you are looking for.
7. Service Manual Overview
8. Product Introduction
9. Troubleshooting (at the panel, at the EQD, site inspection)
10. Core Removal/Replacement
a. DR & DX
b. UR, WR, WX
c. IR
11. Start-up Procedure (inspection and testing on site)
12. Pump End/Grinder Mechanism (inspection/replacement of grinder, stator, rotor, etc.)
13. EQD Disassembly and Reassembly
8. Top Housing Removal and Installation
a. Top Housing Removal and Installation (DR or DX)
b. Top Housing Removal and Installation (IR)
c. Cable Replacement (DR, UR & WR)
14. Level Sensor (inspection/replacement of pressure switches, control board, etc...)
15. Control Cavity
16. Motor Cavity (disassembly and reassembly as well as testing)
17. Mechanical Seal Assembly (installation procedures)
18. Final Tests (run test, amp draw test, etc.)
Safety Warnings
A Caution statement in this manual designates a situation that could cause equipment failure or
damage. Follow the proper safety procedures as described in the instructions.
A Warning statement in this manual designates a situation that can cause bodily harm and/or
equipment damage. Follow the proper safety procedures as described in the instructions.
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