MAINTENANCE/SERVICE
Cab Air System
RETURN
AIR
FILTERS
Clean return air filters every 100 hours, more often
in dusty conditions.
To
clean:
1.
Remove filter covers
at
both
sides
of
cab
rear
wall
by
removing
two
nuts (A).
2. Remove foam filter elements and clean with
compressed air.
3. Replace filter elements and covers.
AIR
CONDmONING
REFRIGERANT
CHARGE
A sight glass
(B)
is located
on
the drier, behind the
right hand side panel, and provides a
check
point
for refrigerant charge level.
Check refrigerant charge level at sight glass every
100 hours
or
if reduced cooling is noticed, as
follows:
IMPORTANT:
Outside temperature MUST be 70•F
(20•C)
or
higher when checking refrigerant
charge.
- Open
cab
door
and window.
- With engine running, set air conditioner control
to
maximum cooling and
tum
blower
on
HIGH.
- After a few minutes, check sight glass
(B)
while
air conditioning compressor is running. The
liquid should be clear.
If
liquid Is cloudy
or
foamy, charge is low and refrigerant should be
added. See
your
Windrower dealer
for
service.
SYSTEM
PRESSURE
CUT-OUT
SWITCH
A pressure switch (C) Is located on the drier. This
switch will cut
out
electrical power
to
the
compressor clutch when system pressure drops
below 25 psi (170 kPa),
or
when pressure exceeds
385 psi (2650 kPa).
109
REM
OVE FOR ACCESS
TO
RETURN
AIR
FILTER
AIR CONDITIONING SIGHT GLASS
AND CUT-OUT SWITCH
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