Table of Contents
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from DPL82367
Read through the safety
information and instructions
carefully before using your
Waterous Fire Pump
NOTE: Instructions subject to change without notice
Waterous Company, 125 Hardman Avenue South, South St. Paul, Minnesota 55075 USA (651) 450-5000
Operation, Maintenance and Overhaul Instructions
Model E501-C
Model E511-C
E500 Series Motor Pump
Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2, 3
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Engine Preparation ............................................................................. 5
Operation ............................................................................................ 5
Fire Hose Testing ............................................................................ 6
Maintenance
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Repair
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Pump
Engine
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Volute Body Removal:
Model E501-C
Model E511-C
Impeller and Mechanical Seal Removal:
Model E501-C
Model E511-C
Gear Case Cover and Impeller Shaft Removal:
Model E501-C
Model E511-C
Impeller Shaft Components:
Model E501-C
Model E511-C
Gear Case Removal
Model E501-C
Model E511-C
Engine Adapter Removal:
Model E501-C
Model E511-C
Model E501-C
Model E511-C
Volute and Wear Ring ...................................................................... 19
Testing ................................................................................................. 19
Controller and Engine Troubleshooting Guide............................ 19-21
www.waterousco.com
Models E501-C and E511-C
Table of Contents
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15-16
F-2729 (9/28/21)
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Table of Contents
Related Manuals for Waterous E511-C
Summarization of Contents
Safety Information
General Safety Warnings
Covers hazards from exhaust gas, general injury, pressure, scalding water, excessive speed, and Prop 65.
Specific Safety Precautions
Details hazards from hot components, accidental starting, spark arrestors, moving parts, and hose testing.
Introduction
Pump Model Designations
Details different pump models (E501-C, E511-C) and their specifications like intake and discharge.
Installation
Installation Preparation
Covers battery cable sizing, fuel line routing, and engine mounting advice.
Specific Installation Points
Details vertical fuel pump lift, airflow requirements, priming system, and emission label.
Engine Preparation
Pre-Operation Checks
Inspect for shipping damage, install battery, fill engine oil, coolant, transmission oil, and fuel.
Crankshaft Rotation Check
Rotate crankshaft to ensure pump and engine turn freely without rubbing noises.
Operation
Pump Connections
Ensure leak-proof connections for intake and discharge hoses/piping. Use flexible coupling if needed.
Starting the Engine
Instructions for turning ignition switch to RUN and START positions.
Priming the Pump
Use intake strainer. Refer to separate instructions for priming systems.
Setting Engine Throttle
Adjust engine throttle using up/down arrows after pump is primed.
Fire Hose Testing
Hose Testing Hazards
WARNING: Potential for catastrophic hose failure. Use hose testing machines, not fire pumps.
Pressure Hazard During Testing
WARNING: Follow NFPA 1962, use gate valve with drilled hole to prevent volume surge.
Scalding Water Hazard During Testing
WARNING: Circulate water or use bypass to prevent overheating.
Maintenance
Engine Maintenance
Refer to Kubota Operation and Maintenance instructions for engine maintenance.
Pump Maintenance
Drain volute body, flush system if needed, check/change gear case oil.
Repair
Pump Repair
Should be done by authorized personnel. Parts can be purchased from Waterous.
Engine Repair
Refer to Kubota manual for engine service. Contact Waterous for pump components.
Pump Overhaul
Volute Body Removal
Instructions for removing the volute body for E501-C and E511-C models.
E501-C Impeller & Gear Case Procedures
Steps for removing E501-C impeller, mechanical seal, and gear case cover.
E511-C Impeller & Gear Case Procedures
Steps for removing E511-C impeller, mechanical seal, and gear case cover.
E501-C Impeller Shaft Components
Diagrams and instructions for E501-C impeller shaft bearings and components.
E511-C Impeller Shaft Components
Diagrams and instructions for E511-C impeller shaft bearings and components.
Gear Case Removal
Instructions for removing the gear case for both E501-C and E511-C models.
Engine Adapter Removal
Steps for removing the engine adapter and drive plate assembly for both models.
Component Inspection
Impeller and O-Ring Inspection
Check impeller wear, clearance, and O-rings for cuts or damage.
Mechanical Seal Inspection
Advised to install new seal. Check shaft and impeller hub for scratches.
Oil Seals Inspection
Check impeller shaft and drive shaft for signs of severe wear from oil seals.
Ball Bearing, Gears, and Needle Bearings Inspection
Check for severe wear and replace as necessary.
Reassembly
General Reassembly & Gear Case Procedures
Guidelines for general reassembly and steps for gear case/impeller shaft reassembly.
E501-C Mechanical Seal & Impeller Installation
Detailed steps for installing the mechanical seal and impeller for E501-C pumps.
E511-C Mechanical Seal & Impeller Installation
Detailed steps for installing the mechanical seal and impeller for E511-C pumps.
Volute and Wear Ring Reassembly
Instructions for pressing in the wear ring and placing the volute over the O-ring.
Testing
Pre-Test Checks
Rotate crankshaft, check for rubbing noises, and verify mechanical seal leakage stops.
Running Checks
Check for unusual noises or leaks at joints and interfaces during pump operation.
Controller and Engine Troubleshooting Guide
Controller Won't Power Up Troubleshooting
Steps to troubleshoot controller power issues, checking fuses and connectors.
Engine Crank, No Start Troubleshooting
Steps to troubleshoot engine cranking but not starting, checking relays, fuel, and glow plugs.
Engine Shutdown Troubleshooting
Steps to troubleshoot engine shutdown with oil lamp displayed or temperature lamp displayed.
Engine Doesn't Shutdown Troubleshooting
Steps to troubleshoot engine not shutting down, checking solenoid and timer.
Engine Speed Response Troubleshooting
Steps to troubleshoot engine speed not responding to input, checking connectors and sensors.
Engine Runs Rough Troubleshooting
Steps to troubleshoot rough engine running, checking fuel quality and air bubbles.
Deutsch 12 Pin Connector Functions
Lists terminal functions for the Deutsch 12-pin connector used in troubleshooting.
Need help?
Do you have a question about the E511-C and is the answer not in the manual?
Questions and answers