Ram Trucks 2011 Chassis Cab - Owner Manual - Manual (Page 319)

Tire Inflation Pressure – 4500/5500 With Steel
Carcass Ply Tires
This type of tire utilizes steel cords in the sidewall. As
such, they cannot be treated like normal light truck tires.
Adjusting tire pressure must be performed by personnel
trained, supervised and equipped accordingly. Inflation Pressure Adjustment When Mounted To
Vehicle
During procedures when adding tire inflation pressure,
the technician or individual must utilize a remote infla-
tion device, and ensure that all persons are clear of the
trajectory area.
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