MAINTENANCE/SERVICE
Cab
Air
System
A
WARNING: The air conditioning
system
is
pressurized.
Improper
servicing may cause refrigerant
to
penetrate eyes and skin
or
cause
burns.
Special equipment and procedures are
required
to
service
the
air
conditioning
system.
See
your
Wind rower dealer
for
service.
If
an accident involving refrigerant
should
occur,
see a
doctor
familiar
with
this
type
of
injury
immediately.
CAB
TEMPERATURE CONTROLS
See
"Operator's Station" section for information
regarding the
use
of
the
various controls
affecting cab temperature.
AIR
CONDITIONING CONDENSER
Clean
daily
with
co
mpressed
air
.
See
"Sc
reens
and Coolers" und
er
cooling system maintenance.
FRESH
AIR INTAKE
FILTER
Clean daily as follows:
1. Loosen
knob
(A)
and
slide
retainer out
to
relea
se
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]
maximum) through filter
in
op
posite direction
of
air flow arrows.
4. Wash filter as requir
ed:
Soak
15
minutes
in
warm water (not over
100°F [40"C]) with Filter Element Cleaner,
(Donaldson
0 1400 or equivalent
).
Rinse thoroughly with clean water, (maximum
pressure
40
psi
[275
kPaJ)
.
Shake excessive water from filter
and
allow
element
to
dry. Do not use
co
mpressed air
to
dry filter; it may rupture
the
wet element.
Protect element from freezing until dry.
5.
Reinstall filter, mak
ing
sure air flow arrows
po
int towards
cab.
A
CAUTION: The cab
air
intake
filter
is
not
designed
to
filter
out
harmful
chemicals.
Follow
chemical manu-
facturer's
instructions
carefully
when
operating
around
spray
areas.
108
NOTE:
1. The refrigerant
util
'iied
in
'th
is
'
ma
chine
is
R13
4a
'. Total system refrigerant-capacity
i
s
' :
:~
1.36
kg
(3
Ibs.).
Tl'le
compressor -air
is
SP-20
PAG
. Total system oil requirement is
240 cc
(8
.1 U.S. . . Oil is included'
in
a
new,
~::~ht~~~.~
Toc
2.
Service,
:C;~:,:c~~n
I
~~~~rme'd
R134a tl
CAB FRESH
AIR
INTAKE FILTER
CLEANING AIR FILTER
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