6
Section 4
Maintenance and Calibration
WARNING
MAINTENANCE AND CALIBRATION INSTRUCTIONS ARE FOR QUALIFIED PERSONNEL
ONLY. TO AVOID ELECTRIC SHOCK, DO NOT PERFORM ANY SERVICING OTHER THAN
THE CONTAINED IN THE OPERATING INSTRUCTIONS.
Introduction
This section of the manual contains maintenance information for the LCB leakage measurement instrument.
A 1-year calibration cycle is recommended to maintain the specifications of the factory.
Service Information
The LCB tester 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 postpaid 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
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
.
WARNING
Remove all external connections before opening the LCB. Do not connect the LCB to hazardous live
circuits with the internal circuitry exposed.
Cleaning
CAUTION
Do not use aromatic hydrocarbons or chlorinated solvents for cleaning. These solutions will react with
the plastic materials used in the instrument.
Clean the exterior of the LCB with a mild solution of detergent and a damp sponge. Clean dust from the PWB
with clean, dry, low pressure (<20 psi).
Calibration Information
The Calibration Procedure should be performed annually and any time the instrument has been repaired. The
calibration procedure should be performed at an ambient temperature of 23
C
5
C (73.4
F
9
F). The
Calibration procedure must be performed by qualified personnel, for more information contact Compliance
West USA.