16
Section 3
Maintenance
WARNING
THESE SERVICE INSTRUCTIONS ARE FOR USE BY QUALIFIED PERSONNEL ONLY. TO
AVOID ELECTRIC SHOCK, DO NOT PERFORM ANY SERVICING OTHER THAN THAT
CONTAINED IN THE OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO
SO.
Introduction
This section of the manual contains maintenance information for the Model GF-30AC-T High Current
Ground Tester. This maintenance information is divided into service information, general maintenance,
a performance test, and a calibration procedure. The performance test is recommended as an acceptance
test when the instrument is first received, and later as a preventative maintenance tool to verify proper
instrument operation. A 1-year calibration cycle is recommended to maintain the specifications given in
Section 1. The Test equipment required for both the performance test and calibration is a DMM able to
read true rms 0-3 VAC 1%.
Service Information
The GF-30AC-T is warranted to the original purchaser for a period of 1 year . This warranty does not
cover problems due to misuse or neglect.
Malfunctions which occur within the limits of the warranty will be corrected at no charge. Mail the
instrument post paid to the manufacturer. Dated proof of purchase is required for all in-warranty repairs.
The manufacturer is also available for calibration and / or repair of instruments that are beyond their
warranty period. Contact the manufacturer for a cost quotation. Ship the instrument and your remittance
according to the instructions given by the manufacturer.
General Maintenance
Interior Access
NOTE
To avoid contaminating the PWB with oil from your fingers, handle it by the edges or wear gloves. If the
PWB becomes contaminated, refer to the cleaning procedures given later in this section.
Summary of Contents for GF-30AC-T
Page 1: ...GF 30AC T Ground Circuit Tester Instruction Manual...
Page 3: ...3...