OPERATION UNDER USUAL CONDITIONS - CONTINUED
Perform initial adjustments, daily checks, and self-tests.
Start engine and allow truck to warm up.
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 belt.
Ensure that steering wheel adjustment 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
Use steering wheel adjustment control lever to adjust tilt and steering wheel height.
Turn on lights, as necessary.
Select transmission gear.
When coupled to a semitrailer, DO NOT exceed 35 mph (56 kph) on second-
ary (gravel) roads. Failure to follow this warning could result in injury.
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.