Kubota M5N-091 Operator's Manual page 107

To avoid personal injury;
A Replace the water hoses every 4 years.
A Daily inspection
Have the tractor repaired immediately if any of
the following defects are discovered.
(Such defects may cause burns or injury. They
may also cause engine seizure or other serious
failure.)
A Scratches, cracks or swelling in water
hoses.
A Water leakage at water hose joints.
A Missing or damaged water hose protective
wrap or grommets.
A Loose mounting bolts, damaged brackets.
A Do not touch the water hoses and the heater
with your hand. You may get burned.
A If the window fails to defrost in extreme
conditions or
dehumidifying the CAB, wipe off moisture with
a soft cloth.
A Do not block all the air outlets of the air
conditioner. A problem could occur.
C Recirculation / fresh air selection lever
FRESH AIR: Set the lever to the
and fresh air will flow into the CAB.
This is helpful when you work in
dusty conditions or if the glass
windows get foggy.
RECIRCULATION: Set the lever to the
and the in-CAB air will be
recirculated. This is useful for
cooling or heating the CAB quickly
or keeping it extra cool or warm.
(1) Recirculation /
fresh air selection lever
becomes cloudy when
position,
position,
"FRESH AIR"
"RECIRCULATION"
A When heating, do not keep the lever at the
"RECIRCULATION" position for a long time. The
windshield easily gets foggy.
A While working in a dusty conditions, keep the lever at
the "FRESH AIR" position. This increases the
pressure in the CAB, which helps prevent dust from
coming into the CAB.
CAB OPERATION 83