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Page Title:
Operator Preventive Maintenance Checks and Services Chart-continued |
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 TM 55-4920-430-13
Equipment Is
Procedures
Not Ready/
Check for and have repaired
Item to be
Interval
Item
Available If:
or adjusted as necessary
Inspected
BDA
No.
1
Clean exterior, using cloth.
Case and
For stubborn dirt, use
cover
cloth damp with cleaning
solvent.
Condition, legibility.
2
Nameplate
3
Condition, secure mounting,
Handles
positive closure.
Condition, secure mounting.
Latches
4
5
Cleanliness, operation.
Air valve
6
Insulation for condition.
Cables
Repair damaged insulation
using tape. Connector
shells for condition. Re-
place cable if shell is
damaged. Contacts for
cleanliness. Clean as
required. Straighten
bent pins.
7
Clean, using paint brush.
Panel
For stubborn dirt, use
cloth damp with cleaning
solvent.
Straightness of pins.
8
Straighten bent pins.
Tight on shaft. Tighten
9
Control
setscrew if necessary.
knobs
Condition of lenses. Re-
10
Indicator
place if damaged.
lights
11
Condition of cover. Re-
Meter.
place if cracked or
marred.
12
Secure mounting, positive
Rotary
detent.
switches
13
Secure mounting, positive
toggle
switches,
indicators,
circuit
breakers
2-33
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