Table 7-2. Preventive Maintenance Checks and Services for Compressed Air System
Q - Quarterly
S - Semiannually
A - Annually
CHECK FOR AND HAVE
IS NOT READY/
REPAIRED OR ADJUSTED
B D A D W M Q S A
Be sure electrical power is OFF before per-
forming maintenance or repair on this sys-
tem. Open circuit breakers. Redtag circuit
breakers or motor controller with
"WARNING - DO NOT ACTIVATE. REPAIRS
BEING MADE." Observe all safety precau-
tions listed at the beginning of this manual.
Wipe components clean, especially
gauges and control panels.
Check for leaks, paying special attention
to joints, valves, fittings, and piping.
Report leaks to shift leader or bargemas-
Check for loose or missing securements
or fasteners. Tighten or replace as nec-
fasteners loose or
Check for damage, especially to pres-
sure gauges, filters, and control panels.
filters and/or con-
Notify shift leader or bargemaster so
trol panels dam-
repairs can be made.
Remove rust and corrosion. Touch-up
or paint in accordance with TB 43-0144
as necessary. Do not paint threads or
Drain receiver by turning drain cock clock-
wise (small T-handle) on bottom of tank.
When receiver is completely drained, close