Section V. MAINTENANCE OF HIGH VOLTAGE SECTION

Section V. MAINTENANCE OF HIGH VOLTAGE SECTION

Wipe and vacuum clean the busses and

3-8. General

supports.

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.

voltage section.

f. Check that all 120 volt wiring connections are

tight and intact.

3-9. Enclosure

g. Check the ground bus connection and mounting

WARNING

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

personnel.

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

not recommended.

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

WARNING

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.

3-5