Replacing Defective Components - HindlePower AT30 SERIES Operating And Service Instructions

SERVICING THE AT30

3.5. REPLACING DEFECTIVE COMPONENTS

High voltages appear at several points inside the AT30. Use extreme
caution when working inside the enclosure. Do not attempt to work
inside the AT30 unless you are a qualified technician or electrician.
Disconnect and lock out all power from the AT30 before starting to
remove or replace any components. Turn the ac power off at the
distribution panel upstream from the charger. Disconnect the battery
from the AT30 output terminals TB1(+/-).
While performing the following procedures, refer to the standard drawings
in Appendix C for information on identifying internal components.
Removing the safety shield (if present)
AT30 Style-5018 and Style-5030 enclosures feature a Plexiglas safety
shield as a second protective barrier between the user and the internal
components. Some repair procedures requires removal of the shield to
that covers the internal components mounted inside the enclosure.
Detach the shield by removing the side fasteners from the front lip of the
enclosure. Do not lay the shield on top of the AT30, since the top vents
are required for cooling. Always re-install the Plexiglas safety shield
before restarting the AT30.
Hazardous ac and dc voltages are present inside the AT30, on the I/O
panel (TB1) terminals and certain internal components.
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WARNING
NOTICE
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CAUTION