TB 9-2320-360-13&P-1
WARN 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.
VISUAL INSPECTION
(1) Turn engine switch to ON position
(TM 9-2320-360-10).
(2) Turn A/C control switch to low,
medium, and high blower speed
positions (WP 0008 00).
(a) If A/C blower does not operate in
all blower speed switch positions,
turn engine switch to OFF position
and go to Step 3 of this fault.
(b) If A/C blower operates in all blower
speed switch positions, turn engine
switch to OFF position and go to
Step 18 of this fault.
VISUAL INSPECTION
(1) Turn engine switch to ON position
(TM 9-2320-360-10).
(2) Turn A/C control switch to low,
HETF00218
medium, and high blower speed
positions (WP 0008 00).
(a) If A/C blower does not operate in
all blower speed switch positions,
turn engine switch to OFF position
and go to Step 14 of this fault.
(b) If A/C blower operates in at least
one blower speed switch position,
go to Step 4 of this fault.
0016 00-5