|
| |
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.
LOW AIR BUZZER TEST
NOTE
Air system pressure must be below
65 psi (448 kPa) to perform test.
(1)
Drain air system (TM 9-2320-360-10)
until AIR PRESS gage reads less than
65 psi (448 kPa) if necessary
(2)
Turn ENGINE switch to ON position.
(3)
Place positive (+) probe of multimeter
on wire no 1120 at low air buzzer.
(4)
Place negative (-) probe of multimeter
on ground and look for 10-14 volts on
multimeter
(5)
Turn ENGINE switch to OFF position.
CONTINUITY TEST
CAUTION
Electrical power must be disconnected from circuit
before continuity can be checked. Failure to
comply may result in damage to test equipment or
electrical system.
(1)
Disconnect wiring from components at each end of wire.
(2)
Set multimeter to ohms position.
NOTE
A reading of infinity indicates an open circuit.
(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
Check ground wire no 1435 from low air
pressure switches for loose connections or
damage.
Change 2 2-517
|
