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 ARMY TM 5-6675-309-14
MARINE CORPS TM 08840A-14/1
(e) Connect DVM test leads to SELF TEST
(c) Connect DVM test leads to SELF TEST +28V
TIMER 2 SEC and SELF TEST PWR RTN
and SELF TEST PWR RTN test jacks.
test jacks.
(d) Ensure that DVM indicates +28V. If not, adjust
(f) Set SELF TEST switch to TIMERS.
+28V power source for +28V.
(g) Set MODE switch to OVERLOAD.
(e) Connect DVM positive test lead to SELF TEST
CUR SOURCE test jack and negative test lead
NOTE
to SELF TEST PWR RTN test jack.
The OVERLOAD FAIL switch-indicator
(f) Connect jumper lead between SELF TEST
must be momentarily pressed to reset
CUR SOURCE test jack and 1 OHM test jack.
circuitry each time 2-second timer is ini-
tiated.
(g) Set MODE switch to OVERLOAD.
(h)
While observing DVM, press and hold INI -
NOTE
TIATE switch. DVM indicates greater than
+20V for 1.8 to 2.2 seconds. If necessary,
Take reading within 10 seconds after setting
SELF TEST switch to LOAD-OVERLOAD.
adjust resistor A1R37 for desired time inter-
To repeat test, set SELF TEST switch to
val. OVERLOAD FAIL switch-indicator also
lights.
OFF for 1 minute, then return to LOAD-
OVERLOAD.
(i)
Release INITIATE switch.
(h )
Set FUNCTION switch to PS + 17V.
(j) Disconnect DVM test leads.
(i)
Set SELF TEST switch to LOAD-OVERLOAD.
(k) Press POWER SUPPLY TEST ON switch-
indicator to off (switch-indicator goes off).
Adjust resistor A3R119 for 1.65 (0.15)V
(j)
indication.
(l)
Set INPUT POWER PSTS circuit breaker
to OFF.
Press POWER SUPPLY TEST SET ON
(k)
switch-indicator to off (switch-indicator
(5) Current limiter adjustment. Perform current
goes off).
limiter adjustment as follows:
(l)
Set INPUT POWER PSTS circuit breaker
(a)
Set INPUT POWER PSTS circuit breaker
to OFF.
to ON.
(m) Disconnect test leads.
(b)
Press POWER SUPPLY TEST SET ON
switch-indicator to on (switch-indicator
lights.)
Change 1
8-130.1/(8-130.2 blank)
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