Left Gage Panel.
Control or Indicator
Vents air into cab from heater/ventilator/defroster and air
conditioner, if equipped. Louvered openings are
Fahrenheit. Normal range is in green band, 190-210°F
(88-99°C). If needle goes into yellow band, 210-215°F
(99-120°C), or red band, 216-250°F (102-121°C), stop
and investigate cause.
Engine Oil Pressure Gage
Registers engine oil pressure in psi (kPa). Normal
pressure at rated speed (1200 rpm) is 50-70 psi (345-483
kPa). Pressure at idle speed (600 rpm) is 15 psi (100
Indicates rate of battery charge or discharge in volts.
(a) RED BAND. Below 11 volts indicates a possible
malfunction. Stop and report problem to Unit
(b) YELLOW BAND. 11-12 volts indicates battery is
undercharged. Turn off all electrical circuits, if
possible, and run engine at highest rpm permitted for
existing conditions. If reading is still not in green
band, notify Unit Maintenance.
(c) GREEN BAND. 13-15 volts indicates normal
(d) RED BAND. Above 15 volts indicates batteries are
being overcharged. Notify Unit Maintenance.