TB 9-2320-360-13&P-1
WAR N I N G
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.
A/C circuit breaker, A/C relay, and 24 vdc magnetic switch (R22) are always electrically hot and can
cause severe injury to personnel. Care must be exercised when working around these
components.
CONTINUITY TEST
(1) Disconnect battery
(TM 9-2320-360-20).
(2) Disconnect wire RED #4 from A/C
relay.
(3) Remove electronic control box
assembly covers (TM 9-2320-360-20).
(4) Set multimeter switch to ohms.
(5) Is there continuity measured on wire
RED #4 from magnetic switch (R22) to
A/C relay connector?
(a) If there is no continuity, repair wire
RED #4 (see WP 0057 00, Fig j) or
notify DS Maintenance. Verify
repair, go to Step 8 of this fault.
(b) If there is continuity, connect wire
RED #4 to A/C relay and go to
Step 5 of this fault.
CONTINUITY TEST
(1) Disconnect black wire from A/C relay.
(2) Set multimeter switch to ohms.
(3) Is there continuity measured on black
wire from A/C relay to magnetic switch
(R22)?
(a) If there is no continuity, repair
black wire (see WP 0057 00, Fig j)
or notify DS Maintenance. Verify
repair, go to Step 8 of this fault.
(b) If there is continuity, replace A/C
relay (WP 0030 00). Verify repair,
go to Step 8 of this fault.
HETF00191
0015 00-7