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Page Title:
Table 4-2. Power-On Inspection Procedure |
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|  TM 11-5821-285-12-1
Item
Item to be Inspected Procedure
Equipment Will Be Reported Not Ready (RED) If:
No.
e. Rotate the VOL control throughout its operating range:
notice that it does not bind or rotate too freely.
f. Check the front panel controls for obvious physical
damage.
Intercommunication control
3
a. Clean the front panel.
Same as Item No. 2.
b. Verify that the quick-release fasteners which secure the
intercommunication control to the console are secure.
c. Check switches for proper mechanical action. Set each
switch to each setting and check that action is positive
without backlash or loosenss. Return all RECEIVERS
switches to the OFF position after checking.
d. Check whether knobs and levers are secure.
e. Rotate VOL control throughout its entire range and
check that action is smooth and knob is secure.
f: Check that panel light housing is secure and in good
condition.
KY-28control
4
a. Check that surfaces are clean, dry, and free of grease,
Same as Item No. 2.
dirt, and fungus. Clean as necessary.
b. Check switches for proper mechanical action. Set each
switch to each setting and check that action is positive
without backlash or looseness. Return all switches to the
OFF position.
c. Tighten all loose bolts, nuts, screws, and clamps that
secure the equipment. Replace missing hardware.
5
Check antennas for secure mounting and secure
connections.
Same as Item No. 2.
6
Grounding system
Check that the negative ground terminal lug is securely
A condition is present which does not give the console
tied to the rear wall of the battery compartment.
a reliable, safe ground. The presence of grease or corrosion -
creates a hazard to personnel or interrupts operations.
Cables and connectors
7
Check interconnecting cabling for evidence of fraying or
Cables are faulty, connectors loose, pins broken or
excessive strain. Check that all connectors are secure.
loose. Cable jacket worn or cut through.
Table 4-2. Power-On Inspection Procedure
Item
Item to be Inspected Procedure
Equipment Will Be Reported Not Ready (RED) If:
No.
Starting Procedure
1
Perform the starting procedure, (para 3-3 and 3-4). Check If equipment is affected by a faulty circuit or fails
for proper indications at each step.
to respond to controls.
Operating Procedures
2
Perform the operating procedure, (para 3-5, 3-6, and 3-7). Same as Item No. 1
Check for normal operation at all operating positions and
on all operational channels.
Stopping Procedure
3
Performing stopping procedure (para 3-7)
service time, the periodic preventive maintenance should
4-3.
Periodic Preventive Maintenance Checks and
be performed every scheduled aircraft inspection.
Services
Perform all procedures in the sequence listed in table 4-
Perform the preventive maintenance procedure
3. Record all deficiencies in accordance with the
described in table 4-3 below, once each period interval,
c
requirements
of
TM
38-750.
in addition to the intermediate preventive maintenance
checks
and
services.
To
reduce
out-
4-2
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