MAINTENANCE/SERVICE
Cab
Air
System
A
WARNING
: The air
conditioning
system
is
pressurized
.
Improper
5efVicing
may
cause
refrigerant
to
penetrate
eyes
and
skin
or
cause
bums.
Special
equipment
and
procedures
are
required
to
service the air
conditioning
system.
See
your
Windrower
dealer
for service.
If
an
accident
involving
refrigerant
shoud
occur
,
see
a doctor
familiar
with
this type of
injury
invnediatefy.
CAB
TEMPERATURE
CONTROLS
See "Operator's Station" section
for
information
regarding
the
use
of
the
various
controls
affecting
cab
temperature.
AIR
CONDmONING
CONDENSER
Clean
daily
with
compressed
air
. See "Screens and
Coolers•
under
cooling
system
ma
in
tenance.
FRESH
AIR
INTAKE
FILTER
aean
Qfil!v
as
follows:
1. Loosen
knob
(A)
and
slide retainer
out
to
release filter
(8)
from
rear
of
cab
roof
.
2.
Tap
filter
gently
on
a flat surface,
dirty
side
down
.
Do
not
tap
on
a tire, treads
may
damage
filter pleats.
3. Direct compressed air {100 psi [700 kPa] maxi-
mum)
through
filter in opposite direction
of
air
flow
arrows.
4. Wash filter as required:
-
Soak
15 minutes in warm
water
(not
over
100·F
[40•C])
with
Filter Element Cleaner,
(Donaldson D 1400
or
equivalent).
- Rinse
thoroughly
with clean water, (maximum
pressure 40 psi
[275
kPa])-.
- Shake excessive water
from
filter
and
allow
element
to
dry.
Do
not
use compressed
air
to
dry
filter; it
may
rupture
the
wet
element.
Protect element
from
freezing until dry.
5. Reinstall filter, making sure
air
flow
arrows
point
towards
cab.
A
CAUTION:
The
cab
air
intake filter is not
designed
to
filter out hannful chemicals.
FolloN
chemical
manuracturer's
ilstruc-
tions
carefully when operating
around
spray
areas.
CAB FRESH AIR INTAKE FILTER
~
CLEANING AIR FILTER
108
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