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TOHATSU V20E User Manual

TOHATSU V20E
90 pages
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TOHATSU PORTABLE FIRE PUMPS
OWNER’S MANUAL
Model
V20E(S) / V20D2(S)
Original instructions
TOHATSU CORPORATION
Date of print: 2016.10
Date of publication: 2016.9
003-12061-2
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TOHATSU V20E Specifications

General IconGeneral
Displacement139 cc
Suction Port Diameter50 mm (2 inch)
Discharge Port Diameter50 mm (2 inch)
Pump TypeCentrifugal
Outlet Diameter50 mm (2 inch)

Summary

Product Applications and Usage

Intended Use

Defines the intended applications and operations for the fire pump.

Operator Qualifications and Safety

Operator Requirements

Specifies the qualifications and training required for pump operators.

Manual Introduction and Manufacturer Info

Manual Purpose and Introduction

Explains the purpose and importance of the owner's manual.

Manufacturer Service Address

Provides the manufacturer's address and contact information.

General Safety Information

Understanding Safety Symbols and Words

Explains warning signs and signal words used in the manual.

Safe Handling and Operation Precautions

Transport, Storage, and Exhaust Gas Safety

Covers safe practices for transporting, storing, and dealing with exhaust gas hazards.

Fuel Handling and Protective Gear

Safe Fuel Practices and Required PPE

Details safe fuel handling procedures and necessary personal protective equipment.

Maintenance and Electrical Safety

Safety During Servicing and Electrical Handling

Safety guidelines for maintenance work, electrical components, and devices.

Battery Safety and Environmental Concerns

Battery Handling, Charging, and Disposal

Safe practices for battery handling, charging, and disposal.

Genuine Parts and Environmental Protection

Importance of genuine parts and environmental protection practices.

Customer Service and Support

Contacting Customer Service

Information on how to contact customer service for assistance.

Product Specifications

Engine and Fuel System Specifications

Technical specifications for the engine and fuel system.

Pump Performance and Materials

Specifications for primer, pump performance, dimensions, and materials.

Model-Specific Specifications

Detailed specifications for V20D2 and V20D2S models.

Performance Curves

Graphical representation of pump performance characteristics.

Device Descriptions and Controls

Key Operating Devices and Controls

Identifies and explains the main operating devices and controls on the pump.

Component Details: Ports and Valves

Describes the suction port, carrying handles, discharge port, and valves.

Device Details: Tanks, Switches, and Gauges

Details on fuel/oil tanks, switches, fuses, and pressure gauges.

Governor, Starter, and Optional Accessories

Explains governor, starter, and optional floodlight features.

Preparation for Operation

Initial Setup: Battery and Fuel

Instructions for initial battery charging and fuel tank filling.

Oil Levels and Final Checks

Procedures for checking and refilling engine and governor oil levels.

Engine Start Procedures

Safety and Setup Before Starting

Safety considerations for pump installation and starting.

Electric and Manual Starting Methods

Step-by-step instructions for starting using electric and manual starters.

Priming and Discharge Operations

Priming Lever and Initial Discharge

How to operate the priming lever for suction and check water discharge.

Discharge Valve Operation and Pressure Adjustment

How to operate the discharge valve and adjust water pressure.

Relayed Water Supply Procedures

Guidance on performing relayed water supply operations.

Engine Stop Procedure

Safely Shutting Down the Engine

Steps to properly shut down the engine by adjusting throttle and switches.

Maintenance After Operation

Draining Water and Suction Performance Check

Procedures for draining water and checking suction performance.

Storage Preparation: Fuel and Oil

Instructions for managing fuel and oil for pump storage.

Strainer Cleaning and Battery Charging

Procedures for cleaning the strainer and charging the battery.

Battery Charger Usage and Maintenance

Guidelines for using the automatic battery charger safely and effectively.

Maintenance in Cold Conditions

Antifreeze Infusion Procedure

Steps for infusing antifreeze fluid to prevent pump freezing.

Finalizing Antifreeze and Strainer Installation

Closing valves, sealing discharge valve, and strainer installation.

Use of Accessories

Battery Specifications and Pumping Plate Usage

Information on battery specifications and pumping plate installation.

Periodical Inspection and Service

Pump Storage and General Inspection

Guidelines for pump storage and performing general checks.

Inspection Intervals: Fuel, Ignition, Engine

Table of inspection intervals for fuel system, ignition, and engine components.

Inspection Intervals: Starting, Priming, Pump

Table of inspection intervals for starting, priming, and pump unit components.

Service and Maintenance Procedures

General Servicing, Parts, and Safety Devices

Guidelines for servicing, safety devices, and using genuine parts.

Spark Plug and Battery Maintenance

Procedures for spark plug and battery maintenance.

Electrical Systems and Leak Checks

Maintenance for electrical components, fuses, and leak checks.

Suction Performance and Water Leak Checks

Procedures to check pump suction performance and water leaks.

Troubleshooting Engine and Electrical Issues

Fuel, Lubrication, and Starting Problems

Common engine troubles related to fuel, lubrication, and starting.

Electrical System Faults

Troubleshooting for electrical units, gauges, lamps, and fuses.

Spark Plug, Battery, and Charger Issues

Troubleshooting for spark plug, battery connections, and charger defects.

Fuse, Starter Motor, and Panel Problems

Troubleshooting for fuses, starter motors, and operation panels.

Troubleshooting Pump and System Issues

Compression and Suction Problems

Diagnosing issues related to engine compression and suction performance.

Primer and Valve Component Faults

Troubleshooting for primer and water stop valve components.

Pump Component Issues

Troubleshooting for drain valves, strainers, and pump covers.

Nozzle and Governor Problems

Diagnosing issues with nozzle size and governor adjustments.

Appendix: Technical Data

Tightening Torque Specifications

Table of torque values for bolts and screws.

Tools and Standard Accessories

Included Items List

Lists all standard accessories and tools provided with the pump.

Wiring Diagrams

Model-Specific Wiring Diagrams

Electrical wiring diagrams for different pump models (V20E, V20ES, V20D2, V20D2S).

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