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 TM 9-2320-366-20-1
TM
CONTINUITY TEST
(1)
Remove personnel heater for access (para 18-9).
(2)
Disconnect connector PX25 from personnel
heater connector.
(3)
Set multimeter to ohms.
(4)
Connect positive (+) probe of multimeter to
connector PX25-4.
(5)
Connect negative (-) probe of multimeter to
ground and note reading on multimeter.
(6)
If continuity is not present, repair wire 3003
(para 2-45) or replace WTEC II dashboard
cable assembly (para 7-10) or WTEC III
dashboard cable assembly (para 7-11).
(7)
If continuity is present, replace or repair personnel
heater (para 18-9).
(8)
Install personnel heater (para 18-9).
(9)
Install heater fan control switch (para 18-10).
WARNING
Remove rings, bracelets, watches, necklaces,
and any other jewelry before working around
vehicle. Jewelry can catch on equipment and
cause injury or short across electrical circuit
and cause severe burns or electrical shock.
VOLTAGE TEST
(1)
Remove personnel heater for access (para 18-9).
(2)
Disconnect connector PX25 from personnel
heater connector.
(3)
Set multimeter to volts dc.
(4)
Connect positive (+) probe of multimeter to
connector PX25-2.
(5)
Connect negative (-) probe of multimeter to
ground.
(6)
Position master power switch to on
(TM 9-2320-366-10-1) and note reading on
multimeter.
(7)
If 24 vdc is not present, repair wire 1601
(para 2-45) or replace WTEC II dashboard
cable assembly (para 7-10) or WTEC III
dashboard cable assembly (para 7-11).
(8)
If 24 vdc is present, replace or repair personnel
heater (para 18-9).
(9)
Position master power switch to off
(TM 9-2320-366-20-1).
(10)
Install personnel heater (para 18-9).
(11)
Install heater fan control switch (para 18-10).
2-873
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