Quantcast Table 5-1. Troubleshooting Procedures - Continued - TM-5-6350-264-14-P-60020

 

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Table 5-1. Troubleshooting Procedures - Continued - TM-5-6350-264-14-P-60019
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TM-5-6350-264-14-P-6 Sensor Grid Wire DT-545/FSS-9(V) NSN
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Table 5-1. Troubleshooting Procedures - Continued - TM-5-6350-264-14-P-60021
TM5-6350-264-14&P-6
NAVELEX EE181-AA-OMI-1/E121 DT-545
TO 31S9-2FSS9-1-6
Table 5-1. Troubleshooting Procedures - Continued
Trouble
Probable cause
Corrective action
2. (cont)
b. (cont)
b. If the TAS checks bad, replace it.
(1) To remove TAS, remove nut and lock
washer. Push TAS down through
mounting bracket. Depress the TAS
plunger, if necessary, to clear the
mounting bracket. Use a soldering
iron of 50 watts maximum to remove
wires from switch terminals.
(2) To install new TAS, set multimeter to
ohms and check switch terminals.
Meter should indicate 0 ohms with
switch depressed and infinity with
switch released. Use a soldering iron
of 50 watts maximum to solder wires
to new switch. Insert switch through
hole in mounting bracket. Depress
switch plunger, if necessary. Secure
switch in place with lock washer and
nut.
c. Bad pry-off alarm
a. Loosen screws that secure chassis to mount-
switch.
ing surface. Hold TAS plunger down
with a piece of tape. Disconnect wire be-
tween TB1-6 and conduit entrance hole
from TB1-6. Set multimeter to ohms and
connect leads to TB1-5 and 6. Meter should
indicate less than 2 ohms. Slowly move
chassis away from mounting surface. Af-
ter a movement of less than 1/4 inch
(0.635 cm), meter should indicate over
100, 000 ohms.
b. If the pry-off alarm switch checks bad, re-
place it.
(1) To remove pry-off alarm switch, use
soldering iron of 50 watts maximum
to remove wires from switch terminals.
Remove screws that secure chassis to
mounting surface. Remove switch re-
taining nut and lock washer from rear
side of chassis. Remove switch.
5-7

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