Set the tire inflation equipment regulator at no
more than 140 kPa (20 psi) over the recom-
mended tire pressure.
Use only a Caterpillar Part Number
6V4040 Nitrogen Tire lnflation Group, or
equivalent, to inflate tires from a nitrogen
The backup alarm, located at the rear of
the scraper, sounds to warn nearby
personnel of machine movement.
Use the same tire pressures for nitrogen
inflation as would be used for air inflation.
Consult your tire dealer for operating
Use the sliding window on the right side of
the cab as an emergency exit.
The alarm should sound any time the
transmission control is moved to REVERSE
position, when the disconnect switch
Unlatch the window and slide it to the