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Johnson Pump F4B-19 Series User Manual

Johnson Pump F4B-19 Series
28 pages
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Instruction Manual
Flexible Impeller Pump
F4B-19 12/24 V DC
IB-407/02 (0512)
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Johnson Pump F4B-19 Series Specifications

General IconGeneral
Pump TypeFlexible Impeller Pump
SeriesF4B-19
Body MaterialBronze
Impeller MaterialNitrile
Port Size1.5 inch
Voltage115/230V
Frequency50/60 Hz
MaterialBronze
Inlet/Outlet Size1.5 inch NPT

Summary

Flexible Impeller Pump Overview

Typical Applications

Details common uses for the pump, such as bilge pumping, fresh water, deck washing, and fuel oil transfer.

Type Designation

Lists specific pump models, voltage options (12V/24V), and corresponding part numbers.

Design Features

Pump Components

Details the construction materials and features of the pump body, impeller, seal, motor, shaft, and bearings.

Installation and Electrical

Installation Guidelines

Provides advice on mounting position, motor placement, and protection from rain or wash down.

Electrical Installation

Covers wiring requirements, fuse protection, and ignition protection standards.

Performance Characteristics

Pressure and Capacity Data

Presents data on pressure, flow rate (l/min, USGPM), and amp draw under different conditions.

Wiring and Safety Precautions

Wiring Dimensions Table

Specifies wire sizes and maximum lengths for 12V and 24V systems based on voltage drop.

Self-Priming and Duty Cycle

Explains self-priming capabilities, continuous duty limits, and dry running precautions.

Explosion Hazard Warnings

Advises against pumping flammable liquids and operating manipulated motors.

Operational Advice and Maintenance

Temperature Effects and Freezing

Discusses optimal operating temperatures and methods for preventing freezing damage.

Disassembly and Assembly

Provides step-by-step instructions for taking apart and reassembling the pump.

Impeller Replacement

Recommends annual replacement of the impeller with an original part for security.

Available Accessories

Lists optional accessories like vacuum switches and deckwash kits.

Parts List

Component Identification

Lists pump components with position numbers, names, and corresponding part numbers across multiple languages.

Technical Drawings and Dimensions

Pump Dimensions

Illustrates the pump with key dimensions, port sizes, and mounting details.

Component Exploded View

Shows an exploded view of the pump with numbered parts corresponding to the parts list.

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