Spicer TPCS (Tire Pressure Control System) Driver Instructions - Manual (Page 6)

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Operating the Dana Tire Pressure Control System
The dash-mounted Operator Control Panel (OCP) is the sole interface for display of operator
information and for key entry of the system instructions. The following sections explain the pur-
pose and operation of all OCP features.
Warning Icons
Two warning icons report operating problems. You must take immediate action to either reduce
vehicle speed or check tire condition whenever these icons activate.
Failure to respond may result in tire overheating and reduced tire life or a tire blowout.
Reduce Vehicle Speed - This signal reports that the vehicle speed is too
fast for the pressure selected. You must either reduce speed or select a
higher speed by pressing the appropriate key. Continued operation in this
mode will result in the system automatically selecting a more appropriate
pressure setting.
Check Tire Condition - This signal reports that one tire is at a significantly
lower pressure that the others and could indicate that tire is not holding
pressure. Stop the vehicle immediately and identify the extent of tire dam-
age. The system may be used to re-inflate the low tire if damage is deter-
mined to be minimal (e.g., a minor puncture or slow leak) by selecting
RUN FLAT. Do not use the system to inflate tires with substantial dam-
age, such as large cuts, chunks out, or structural defects.
CAUTION