AIR SYSTEM (Vehicles S/N 100,001 thru 199,999)

TM 9-2320-391-10

M1078A1 SERIES THEORY OF OPERATION -

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AIR SYSTEM (Vehicles S/N 100,001 thru 199,999) Continued

Air pressure in the tires is controlled by the CTIS ECU. The CTIS ECU provides for

four tire pressure settings: Highway, Cross-Country, Sand, and Emergency. Run Flat

is an enhanced mode used in all four modes. Kneeling of the vehicle is accomplished

automatically by pressing and holding in on the EMER button until it starts to flicker

allowing air pressure to be released from tires for internal air transport (C-130 and

C-141).

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