Table 4-2. Weekly Preventive Maintenance Checks and Services
Make sure exterior surfaces of unit are free
of rust and corrosion.
Check clamp assembly thumbscrews securing
unit to mounting base are properly safety
Table 4-3. Monthly Preventive Maintenance Checks and Services
Make sure exterior surfaces of uni t are clean.
If necessary, proceed as directed in table
4-1, step 2.
Inspect exterior surfaces of unit for chipped
paint or corrosion. If necessary, spot paint
surfaces as follows:
Remove rust and corrosion from metal
surfaces by lightly sanding them with
no. 000 sandpaper.
Brush two coats of paint on bare metal
to protect it from further corrosion.
Refer to the applicable cleaning and
refinishing practices specified in
Inspect unit interconnecting cables for loose,
broken, or otherwise damaged connections.
Higher category maintenance is
required for repair or replace-
ment of all cables.
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