'
TROUBLE SHOOTING
PROBLEM
CAUSE
REMEDY
REF
.
!\Ir conditioning
not
Compressor partially
or
Remove compressor
for
*
cooling. (continued)
completely frozen. service
or
replacement.
Dirty filters. Clean fresh air and re-
108,109
circulation filters.
Broken
or
disconnected Check all terminals
for
electrical
wire.
loose connections;
check wiring
for
hidden
breaks.
Broken
or
disconnected
Check ground wire
to
ground wire.
see
if
loose, broken,
or
disconnected.
Expansion valve stuck
Replace expansion
*
in open
or
closed valve.
position.
Broken refrigerant line.
Examine all lines
for
*
evidence
of
breakage
by
external stress
or
rubbing wear.
Leak in system.
Leak-test system; repair
*
leaks as necessary.
Compressor shaft seal Replace compressor
*
leaking. shaft seal.
Clogged screen in
Repair as necessary.
*
receiver-drier; plugged
Replace receiver-drier;
hose
or
coil. evacuate and charge.
Air conditioning
not
Compressor clutch
Remove clutch assem-
*
producing sufficient
slipping.
bly
for
service
or
re-
cooling. (Sufficient
placement.
cooling defined as
Clogged air filter.
when air temperature in
Remove air filter and
108
cab, measured
at
clean
or
replace as
louvred vent, can
be
necessary.
maintained at 25·F
(14•C) below ambient
Too little air circulation
Clean condenser.
n
air temperature.)
over condenser coil;
fins clogged with dirt
or
insects.
Evaporator fins
Clean evaporator fins
clogged.
(under seat)
Too little refrigerant in
Recharge system until
109
system.
bubbles disappear and
gauge readings stabilize
to
specifications.
" See your Windrower dealer
115
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