OPERATE CTIS - Continued
•
If LOW AIR indicator illuminates (red), CTIS will not operate due to
low air pressure. Failure to comply may result in damage to
equipment.
NOTE
•
If HET Tractor is stopped during CTIS selection change, an increase
in engine rpm is required to provide adequate air supply.
•
CTIS automatically turns off if HET Tractor air pressure drops below
85 psi (586 kPa) to provide priority to HET Tractor air brake system.
CTIS will automatically resume operation when air pressure
increases to 110 psi (758 kPa) or above.
•
During CTIS operation, it is normal to hear air coming out of wheel
valves when inflating or deflating.
•
If CTIS malfunctions, set the ON/OFF switch to OFF position, then
back to ON position. This action will reset the controller and may
eliminate the problem.
3. Slowly press down on throttle pedal (2). (WP 0012)
NOTE
•
If HET Tractor average speed exceeds speed limit setting for 1
minute, an amber OVERSPEED light will begin to flash slowly. CTIS
will automatically inflate HET Tractor tires to next higher air pressure
setting (refer to Table 1 below).
•
While CTIS is operating, green light at next higher setting will flash
slowly until next higher setting is reached.
•
When next higher CTIS air pressure setting is reached, amber
OVERSPEED light will stop flashing. Green light indicating new CTIS
setting will stop flashing and remain illuminated.
4. Set central tire inflation system (CTIS) rotary selector switch (3) to appropriate
position.
TM 9-2320-360-10 0028
0028-2
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