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TM 9-2320-360-20-1
WARNING
Jewelry can catch on equipment and cause injury or short
across electrical circuit and cause severe burns or electrical
shock. Remove rings, bracelets, watches, necklaces, and
any other jewelry before working around HET Tractor.
CTIS WIRE HARNESS CONTINUITY TEST
(1)
Disconnect CTIS wire harness connector from
power manifold
(2)
Disconnect CTIS wire harness connector from
controller.
NOTE
Pay special attention to position 6.
(3)
Place positive (+) probe of multimeter on position 1
of connector at controller end.
(4)
Place negative (-) probe of multimeter on position
1 of connector at power manifold end and check
multimeter for continuity.
(5)
Repeat steps (3) and (4) for remaining positions 2
thru 10.
(6)
Install CTIS wire harness connectors back on
power manifold and controller.
WIRE NO, 1061 VOLTAGE TEST
NOTE
CTIS
wiring
harness
must
remain
installed to controller and power manifold
when performing this test
(1)
Turn engine switch to ON position (TM 9-2320-360-10)
(2)
Move CTIS switch to ON position (TM 9-2320-360-10).
(3)
Place positive (+) probe of multimeter on position 6, wire
no. 1061 (blue), of CTIS wire harness connector at power
manifold
(4)
Place negative (-) probe of multimeter on known good
ground
(5)
Press CTIS START button (TM 9-2320-360-10) and look
for 5 volts on multimeter.
(6)
Turn engine switch to OFF position and move CTIS
controller switch to OFF position (TM 9-2320-360-10).
POWER MANIFOLD VOLTAGE TEST
(1)
Disconnect single wire connector to low
pressure switch.
(2)
Turn engine switch to ON position
(TM 9-2320-360-1 0).
(3)
Move OTIS switch to ON position
(TM 9-2320-360-10).
(4)
Place positive (+) probe of multimeter on
power manifold end of low pressure switch
connector.
(5)
Place negative (-) probe of multimeter on
known good ground and look for 5 volts on
multimeter
(6)
Turn engine switch to OFF position and move
CTIS controller switch to OFF position
(TM 9-2320-360-10).
(7)
Connect single wire connector for low pressure
switch
Change 1 2-861
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