OPERATE CTIS - Continued
3
1
CROSS COUNTRY
HIGHWAY
MUD SAND & SNOW
(9 MAX SPEED 45 MPH)
(MAX SPEED 30 MPH)
(MAX SPEED 15 MPH)
(MAX SPEED 5 MPH)
EMERGENCY
OVERSPEED
LOW AIR
START
CTI OFF -- ON
CTI CONTROLLER MODEL 101
4
Figure 2.
5. Press central tire inflation system (CTIS) START switch (4).
CAUTION
CTIS rotary selector switch should always match lighted terrain flashing
green light. If switch and lighted settings do not match, operator must
correct the problem. Failure to comply may result in damage to
equipment.
6. Perform one of the following tasks if CTIS setting and driving conditions do not match:
a. Set central tire inflation system (CTIS) rotary selector switch (3) to flashing green
light position to increase tire pressure.
b. Reduce HET Tractor speed and check for continuous green light on central tire
inflation system (CTIS) rotary selector switch (3) setting. This will indicate CTIS
setting, HET Tractor speed, and ground conditions are correctly matched.
Table 1. CTIS Maximum Speed and Tire Pressure.
TERRAIN
MAX SPEED
FRONT TIRE
PRESSURE
REAR TIRE
PRESSURE
Highway 45 mph (72 km/h) 75 psi (517 kPa) 75 psi (517 kPa)
Cross Country 30 mph (48 km/h) 55 psi (379 kPa) 55 psi (379 kPa)
TM 9-2320-360-10 0028
0028-3
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