Troubleshooting
Section
4-1AB46 Work Platform
4.0 Introduction
The following section on troubleshooting provides
guidelines on the types of problems users may encoun-
ter in the field, helps determine the cause of problems,
and suggests proper corrective action.
Careful inspection and accurate analysis of the symp-
toms listed in the Troubleshooting Guide will localize
the trouble more quickly than any other method. This
manual cannot cover all possible problems that may
occur. If a specific problem is not covered in this
manual, call our toll free number for service assistance.
Referring to
Section 2.0
and
5.0
will aid in understand-
ing the operation and function of the various compo-
nents and systems of the AB46 and help in diagnosing
and repair of the machine.
GENERAL PROCEDURE
Use the charts on the following pages to help determine
the cause of a fault in your UpRight AB46.
1. Verify your problem.
Do a full function test from both platform controls
and chassis controls and note all functions that
are not operating correctly.
2. Narrow the possible causes of the malfunction.
Use the troubleshooting guide to determine which
components are common to all circuits that are not
functioning correctly.
3. Identify the problem component.
Test components that are common to all circuits that
are not functioning correctly. Remember to check
wires and terminals between suspect components.
Be sure to check connections to battery negative.
4. Repair or replace component found to be faulty.
5. Verify that repair is complete.
Do a full function test from both platform and
chassis controls to verify that all functions are operat-
ing correctly and machine is performing to specified
values.
4.0
FOR SERVICE ASSISTANCE, IN THE U.S.A., CALL:
1-800-926-5438
FROM OUTSIDE THE USA, CALL 1-209-896-5150
When troubleshooting, ensure that the work
platform is resting on a firm, level surface.
When performing any service which requires
the platform to be raised, the Elevating
Assembly must be blocked.
Disconnect the battery ground cable when
replacing or testing the continuity of any
electrical component.
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