| |
TM 9-2320-360-20-1
WARNING
Jewelry can catch on equipment and
CONTINUITY TEST
cause Injury or short across
CAUTION
electrical circuit and cause severe
burns or electrical shock. Remove
Electrical power must be disconnected
rings, bracelets, watches,
from circuit before continuity can be
necklaces, and any other Jewelry
checked. Failure to comply may result in
before working around HET Tractor.
damage to test equipment or electrical
system.
(1) Disconnect wiring from components at each end of wire.
(2) Set multimeter to ohms position.
NOTE
Check ground wire no 1435 from 24 volt
A reading of infinity indicates an open circuit.
magnetic switch for loose connections or
damage.
(3) Connect multimeter leads to each end of wire and check
multimeter for continuity.
NOTE
Any reading besides infinity indicates a
grounded wire.
(4) Remove multimeter lead from one end of wire and connect
to chassis ground
WIRE NO. 1280 VOLTAGE
TEST
(1)
Place positive (+) probe of
multimeter on wire no. 1280 at
24 volt magnetic switch
(2)
Place negative (-) probe of
multimeter on ground and check
for 22-28 volts on multimeter.
24 VOLT MAGNETIC SWITCH
TEST
(1)
Turn ENGINE switch to ON position.
(2)
Place positive (+) probe of multimeter
on wire no. 1072 at 24 volt magnetic
switch
(3)
Place negative (-) probe of
multimeter on ground and look for
22-28 volts on multimeter.
(4)
Turn ENGINE switch to OFF position.
Change 2 2-471
|