Section V. MAINTENANCE OF HIGH VOLTAGE SECTION
Wipe and vacuum clean the busses and
Instructions contained in this section are for operator's
e. Inspect all main cable connections for signs of
information and guidance in maintenance (of the high
overheating, and tighten all connections.
f. Check that all 120 volt wiring connections are
tight and intact.
g. Check the ground bus connection and mounting
bolt for tightness and clean ground bus.
Solid insulation surrounding an energized
h. Check to see that all anchor bolts and other
conductor and power apparatus must never
structural bolts are tight.
he relied upon to provide protection to
i. Thoroughly clean interior of compartments. Use a
vacuum cleaner and clean rags only. Do not use steel
wool or oxide papers. Blowing with compressed air is
a. Check and inspect all devices to see that they
are functioning properly. Check heater feel for heat an(l
j. Clean and inspect all painted surfaces and
mounting of it and other devices.
retouch where necessary.
k. Clean air filters by loosening and removing four
nuts (fig. 3-1), holder, on inside of panels, covering the
Before any covers are removed or doors opened which
louvers. Remove filter and clean in warm soapy water.
permit access to the primary circuits, it is essential
Squeeze dry and replace.
that the circuits be ( de-energized. See paragraph 2-11
b. Check indicating devices, mechanical and key
interlocks and hinges of hinged panels.
c. Check that all bus mounting bolts and splice
connection bolts are tight.