TM 55-4920-215-15
Table II. Preventive Maintenance Services-Continued.
1. Electrical System--Continued.
Intervals
Item
Inspect
Service
Inspected
for
required
Weekly
Monthly
CIRCUIT
Condition.
Replace broken knobs,
X
BREAKERS, SAFETY
handles, covers, missing
SWITCHES,
screws; etc.
Security
Tighten clamps, screws,
X
knobs, and covers.
Damage.
Replace if major damage,
X
repair minor damage.
Operation.
Operate breakers, repair or
X
replace as necessary. Op-
erate switches; repair or
replace as necessary.
Check receptacle with
equipment cords plugged
in; repair or replace in-
LAMPS.
Inoperative tubes and
Replace. ............................
X
bulbs; inoperative starter.
Inoperative ON, OFF
Replace. ............................
X
switches.
Table II. Preventives Maintenance Service--Continued.
2. Pneumatic System
Intervals
Item
Inspect
Service
Inspected
for
required
Weekly
Monthly
Operation and function.
In accordance with techni
X
LINES AND HOSE.
cal manual for compres
Leaks.
Tighten or replace fittings,
X
hose, or lines.
Security.
Tighten mounting clamps or
X
install new clamp
Damage.
Repair or replace damaged
X
sections.
QUICK DISCONNECT
Leaks.
Replace seals, seats, or fit-
X
FITTINGS.
tings, as necessary.
Ease of operation.
Replace plugs.
X
CONTROLS
Sticking and binding.
Lubricate, repair or replace
X
as necessary.
Leaks.
Replace packing rings.
X
Damage.
Repair or replace as neces-
X
sary.
INSTRUMENTS.
Cracked dial covers
Replace
X
Accuracy.
Remove for repair or cali-
X
bration.
Damage.
Repair or replace neces-
X
sary.
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