8-10
8-10
Heating and air
Heating and air
conditioning
conditioning
Z14915
Z14915
2.
2.
With t
With t
he sw
he sw
itch i
itch i
n the f
n the f
loor/
loor/
defro
defro
st 50
st 50
-50
-50
position
position
,
,
air
air
is
is
directed
directed
equally
equally
toward
toward
the
the
feet
feet
and windshield.
and windshield.
For cool airflow toward the windshield:
For cool airflow toward the windshield:
Place the air selection switch in the defrost
Place the air selection switch in the defrost
position.
position.
2
2
Us
Us
in
in
g
g
th
th
e
e
co
co
nt
nt
ro
ro
ls
ls
2.
2.
1
1
T
T
o c
o c
oo
oo
l t
l t
he
he
ca
ca
b
b
Press the air conditioner switch to turn on the air
Press the air conditioner switch to turn on the air
conditioner.
conditioner.
The
The
A/C
A/C
indicator
indicator
illuminates
illuminates
while
while
the air conditioner is operating.
the air conditioner is operating.
Set the dial on the temperature control switch to a
Set the dial on the temperature control switch to a
comfortable temperature. To cool the cab faster,
comfortable temperature. To cool the cab faster,
turn the dial on the temperature control switch coun-
turn the dial on the temperature control switch coun-
terclockwise to maximum cooling and the dial on
terclockwise to maximum cooling and the dial on
the fan switch clockwise to
the fan switch clockwise to
maximum speed.
maximum speed.
3
3
Ch
Ch
ec
ec
ki
ki
ng th
ng th
e ref
e ref
rig
rig
era
era
nt le
nt le
ve
ve
l
l
If the level of the refrigerant is too low, the A/C will
If the level of the refrigerant is too low, the A/C will
not work as well. Check the refrigerant level when-
not work as well. Check the refrigerant level when-
ever a problem appears. Set the air conditioner to
ever a problem appears. Set the air conditioner to
maximum--turn the dial of the fan switch to maxi-
maximum--turn the dial of the fan switch to maxi-
mum
mum
speed
speed
(position
(position
)
)
and the
and the
dial of
dial of
the
the
temper-
temper-
ature control switch to maximum cooling (position
ature control switch to maximum cooling (position
).
).
Observe
Observe
the
the
sight
sight
glass
glass
through
through
the
the
grille.
grille.
Check for the presence of bubbles. The refrigerant
Check for the presence of bubbles. The refrigerant
level is normal if no bubbles are visible through the
level is normal if no bubbles are visible through the
glass with the A/C on. If bubbles are visible, the
glass with the A/C on. If bubbles are visible, the
refrigerant level is too low. Have your system
refrigerant level is too low. Have your system
charged at
charged at
any authorized Sterling service facility.
any authorized Sterling service facility.
Refrigerant level low
Refrigerant level low
Refrigerant level normal
Refrigerant level normal
Refrigerant level too high, or no
Refrigerant level too high, or no
refrigerant
refrigerant
If
If
you
you
observe
observe
condition
condition
and
and
the
the
A/C
A/C
does
does
not
not
work well, have the air conditioner inspected by
work well, have the air conditioner inspected by
an authorized Sterling service facility.
an authorized Sterling service facility.
Z14914
Z14914
Z14915
Z14915
Z14916
Z14916
Z08874
Z08874
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