L.B. White 170 Tradesman Portable Forced Air - Manual (Page 10)

This heater includes a height adjustment feature,
allowing the user to change the elevation of the
heater for greater heat direction. See Fig. 6 for
location of adjustment on front base of heater.
To adjust the heater’s discharge outlet height:
-- Loosen knob
-- Lift heater slightly at blower outlet end
-- Pull leg to desired setting
-- Tighten knob.
FIG. 6
HEIGHT ADJUSTMENT
WARNING
Burn Hazard
■
Do not adjust height while heater is operating or hot.
■
Adjust height only after the heater has been
disconnected from its power supply and cool to touch.
■
Failure to follow this warning will result in burns
causing injury.
KNOB
LEG
10