TM 55-4920--217-1 5
Table II. Electrical System, Preventive Maintenance Services
Item
Inspect
Services
Interval
inspected
for
required
Weekly
Monthly
WIRING AND POWER
Cracked protective covers. --------------
Wrap cracked areas with
X
CORDS.
electrical
tape or replace as
required.
Loose connections. ------------------------
Tighten screws; replace
X
connections.
Damaged plugs -----------------------------
Replace plugs.
X
Loose Wires ---------------------------------
Return wire to proper position
X
Frayed wiring --------------------------------
Wrap with electrical tape
--
X
or replace as required.
Remove deteriorated sec-
--
X
tions, splice and wrap with
electrical tape.
Broken conductors. ------------------------
Splice; wrap splices with
X
electrical tape.
CIRCUIT BREAKERS,
Condition -------------------------------------
Replace broken knobs,
X
SAFETY SWITCHES,
handles, covers, missing
screws; etc.
Security ---------------------------------------
Tighten clamps, screws,
X
knobs, and covers.
Damage --------------------------------------
Replace if major damage,
--
X
repair minor damage.
Operation-------------------------------------
Operate breakers, repair
X
or replace as necessary.
Operate switches; repair
or replace as necessary.
Check receptacle with
equipment cords plugged
in; repair or replace
LAMPS --------------------
Inoperative tubes and ---------------------
Replace ...........................................
X
bulbs; inoperative
starters.
Inoperative "ON," "OFF"------------------
Replace ------------------------------------
X
switches.
Table III. Pneumatic System, Preventive Maintenance Services
Item
Inspect
Services
Interval
inspected
for
required
Weekly
Monthly
COMPRESSOR LINESOperation and function. ----------------------
In accordance with techni-
X
AND HOSE.
cal
manual
for
Leaks ------------------------------------------
Tighten or replace fittings
X
hose, or lines.
Security ---------------------------------------
Tighten mounting clamps
X
or install new clamps.
Damage --------------------------------------
Repair or replace
X
damaged section.
QUICK DISCONNECT
Leaks. -----------------------------------------
Replace seals, seats, or
X
FITTINGS.
fittings, as necessary.
Ease of operation. -------------------------
Replace plugs ----------------------------
X
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