Westward 1JYU3A - User Manual

Please read and save these instructions. Read carefully before attempting to assemble, install, operate or maintain the product described.
Protect yourself and others by observing all safety information. Failure to comply with instructions could result in personal injury and/or
property damage! Retain instructions for future reference.
Description
Westward battery chargers are mobile oor units designed to deliver maximum
starting power. They charge up to 60 amperes (maximum) on 6 or 12 volt batteries
(1JYT9A max 40 amps).
Chargers are equipped with a timer control, charging voltage and rate selector,
ammeter and automatic reset circuit breaker.
Important Safety
Instructions
READ THESE FIRST
1. SAVE THESE INSTRUCTIONS.
This manual contains important
safety and operating instructions.
2. Do not expose charger to rain or
snow.
3. Use of an attachment not
recommended or sold by the
manufacturer may result in a risk of
re, electric shock, or injury to
persons.
4. To reduce risk of damage to electric
plug and cord, pull by plug rather
than cord when disconnecting
charger.
5. An extension cord should not be
used unless absolutely necessary.
Form 5S4079
Printed in Taiwan
05/10 JL06
Figure 1
Operating Instructions and Parts Manual
1JYT9A, 1JYU1A, 1JYU2A and 1JYU3A
E
N
G
L
I
S
H
P1
Primary AC
input@ rated
12 V output
Power Supply
Requirements
Max Continuos
Charge Output
Start Output
@7.2V
Medium charge
output
Motorcycle or
nishing charging
Average
Charging Time
Primary AC
input@start
120 VAC,
60 Hz
8.5 Amps
@120V
60 Hz
40 Amps
@6/12V
200 Amps
@7.2V
130 Amps
@6V
20 Amps
@12V
2 Amps
@12V
3/4 to 1/2 hr
29 Amps
120 VAC,
60 Hz
12.0 Amps
@120V
60 Hz
60 Amps
@6/12V
250 Amps
@7.2V
185 Amps
@6V
40 Amps
@12V
2 Amps
@12V
1/2 to 1 hr
43 Amps
120 VAC,
60 Hz
12.0 Amps
@120V
60 Hz
60 Amps
@6/12V
250 Amps
@7.2V
185 Amps
@6V
0-60 Amps
@6/12V
0-3 Amps
@6/12V
1/2 to 1 hr
58 Amps
120 VAC,
60 Hz
12.0 Amps
@120V
60 Hz
60 Amps
@6/12V
30 Amps
@24V
225 Amps
@7.2V
160 Amps
@6V
40 Amps
@12V
Not
Applicable
1/2 to 1 hr
35 Amps
Specications 1JYT9A 1JYU1A 1JYU2A 1JYU3A

Summary

Product Description

Important Safety Instructions

Personal Safety and Precautions

Critical safety advice for individuals working with or near batteries and chargers.

Safe Charging Procedures

Guidelines for safe battery charging, including connection, grounding, and location.

Vehicle and External Charging

Procedures and safety advice for charging batteries installed in vehicles or removed.

Assembly and Controls

Charger Assembly Instructions

Step-by-step guide for assembling the battery charger unit.

Charger Operation Controls

Explanation of the various controls and settings on the charger.

Operation and Testing

Model-Specific Operation Details

Details specific to the operation of 1JYU2A and 1JYU3A models.

General Charging and Engine Start

Universal charging advice, engine start function, and battery type considerations.

Meter Functions and Tests

Explanation of ammeter, voltmeter, and test meter functions for battery and alternator checks.

Battery and Alternator Testing

Procedures for testing battery charge percentage and vehicle alternator performance.

Maintenance and Troubleshooting

Charger Maintenance

Recommendations for maintaining the charger for optimal performance and longevity.

Troubleshooting Common Issues

A chart to diagnose and correct common problems with the battery charger.

Wiring Diagrams and Parts

Wiring Diagrams

Visual representations of the internal electrical connections for different models.

Replacement Parts List

A comprehensive list of replaceable parts with reference numbers and part numbers.

Limited Warranty Information

Warranty Terms and Claims

Details the one-year limited warranty, limitations, and claim procedures.

Westward 1JYU3A Specifications

General

Brand	Westward
Model	1JYU3A
Category	Battery Charger
Language	English