Table 2-1 Unit Maintenance Checks and Services Monthly Schedule (CONTINUED)
Item to be
Inspect motor starters for loose mounting screws,
pitted and corroded electrical terminal connections,
loose terminal screws, damaged or broken wiring, and
dirt or foreign matter. Tighten loose screws. Remove dirt and
remains of corrosion. Replace defective or damaged wires.
Check pulleys for damage. Refer to item (15) in this table.
Test electrical controls and switches to be sure
they turn equipment ON and OFF. If any control or switch
is bad, schedule it for replacement.
Test nonoperational pilot lamp and lamp holders,
and schedule for replacement.
Drycleaning solvent Fed. Spec. PD-680 is potentially dangerous.
Avoid repeated and prolonged breathing of vapors and skin
contact. Do not use near open flame, arcing equipment, or other
ignition sources. Always wear protective clothing and eyewear.
Check power receptacles and plugs for signs of corrosion.
Clean the pins with solvent PD-680. Replace badly
pitted or corroded pins.
ELECTRICAL HIGH VOLTAGE
Electricity can cause serious injury or death. Be certain that all
power is removed before performing maintenance on electrical
Check control panel wiring for clean and solid connections.
Check cable plugs and plug pins for damage. Ensure that
ground rod is making a solid electrical connection. Use an
ohmmeter to check each electrical or ground connection.
Inspect for leaks. Check sight gage (figure 41, item 2) for
breaks or cracks. Check that filter cover fits tightly and
that breather is not clogged. Check that drain is closed.
Look for traces of water in sight gage and in filter opening.
Tighten fittings if leaking.