Serious injury may result if head clearance is not adequate while sitting
in seat. Before driving or riding in vehicle, ensure there is adequate
clearance at maximum upward travel of seat.
Adjust seat (paragraph 2-5).
Adjust seat belt (paragraph 2-11).
Ensure that control lever is in locked (neutral) position before driving
truck. NEVER try to adjust tilt or height of steering wheel while driving.
Failure to follow this warning may cause death or injury to personnel.
Use tilt steering wheel control lever to adjust tilt and steering wheel height
Turn on lights, as necessary (paragraph 2-2).
Select transmission gear (paragraph 2-13).
Move truck gradually by depressing accelerator.
During long engine idling periods, engine coolant temperature will fall
below normal operating range. The incomplete combustion of fuel in a
cold engine will cause crankcase dilution, formation of lacquer or
gummy deposits on valves, pistons, and rings, and rapid accumulation
of engine sludge.
Avoid unnecessary engine idling.
· If, during operation, Low Air Pressure warning light comes on, stop
vehicle, shut down engine, and investigate cause.
· If tractor or trailer ABS light comes on while driving, vehicle braking
system is still operational. Continue to operate vehicle in a safe
manner. Notify unit maintenance when mission is complete.
Check gages and indicators frequently.
Operate engine brakes as required (paragraph 2-2).