Delorean DMC - Page 394

Heating and Air Conditioning
N .09:03
r
r
^•F Continue
INSTALL THERMOMETER
in A/C outlet and check
performance.
1. Set temperature lever to
max. cold.
2. Set selector lever to
max. A.C.
3. Fan switch on HI.
4. Close all doors and
windows.
5. Run engine at specified
rpm.
6. Use auxiliary fan in
front of grill at HI
ambient.
Check temperature against
chart.
OUTLET
I TEMP. HIGH
AS PER CHART
1
OUTLET TEMPERATURE O.K.
J OR TOO COLD AS PER CHART
Change blower speed to
low, observe accumulator
and evaporator pipes for
frost.
¥
NO FROST
FROST
•{
Check accumulator
pressure (as per
chart).
T
LOW
Plugged expansion
tube. Repair or
re-place. Evacuate
and re-charge.
NORMAL
TO HIGH
Check compressor
cycling.
T
}
CYCLES ,
ON AND OFF
1
Defective pressure
switch. Replace.
ON
CONTINUOUSLY
I
Check for missing
expansion tube.
T
h
MISSINGI
Install expansion
tube. Evacuate
and re-charge.
IN
PLACE
1
Check compressor
inlet screen.
CLEAN
f
PLUGGEDI
Clean or replace
screen. Evacuate
and re-charge.
System overcharged.
Evacuate and
re-charge.
J Defective Pressure
switch. Replace.
Fig. 61