Maintenance
This section describes the preventive maintenance and repair procedures for the
amplifiers and probes.
Service Strategy
The amplifiers have some mechanical and electrical pa rts that may be replaced by
the user. The probes can also be repaired to component level.
Preventiv
e Maintenance
The TCPA300 and TCPA400 Current Probe Amplifiers a nd current probes require
little maintenance during normal use. The primary maintenance involves cleaning
accumula
ted dirt from the probe body and, if necessary, cleaning the exposed
core surfaces in the probe jaw.
General Care
Protect the instrument from adverse weather conditions. The instrument is not
waterp
roof.
CAUTION. To avoid damage to the instrument, d o not expose it to sprays,
liquids, or solvents. Do not use chemical cleaning agents; they may damage the
instrument. Avoid chemicals that contain benzene, toluene, xylene, acetone, or
similar solvents.
Cleaning the Exterior
Cle
an the exterior surfaces of the instrument with a dry, lint-free cloth or a
soft-bristle brush. If dirt remains, use a cloth or swab dampened with a 75%
isopropyl alcohol solution. A swab is useful for cleaning in narrow spaces around
the controls and connectors. Do not use abrasive compounds on any part of the
instrument.
CAUTION. Avoid getting moisture inside the instrument during exterior cleaning
a
nd use only enough solution to dampen the cloth or swab. Use a 75% isopropyl
alcohol solution as a cleanser, and rinse with deionized water.
TCPA300/400 Amplifiers and TCP300/400 Series Current Probes Service Manual 61
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