LANCE
II SERVICE
MANUAL
TABLE
XIV-IV.
TROUBLESHOOTING
CHART
(AIR
CONDITIONER)
(cont.)
Trouble
Cause
Remedy
System
will
not
Mechanical
(cont.)
produce sufficient
cooling.
(cont.)
Evaporator
filter
Clean
with
cleaning
clogged.
solvent
to remove
cigarette tars.
Refrigeration
Insufficient
re- Recharge
system until
frigerant
in system.
bubbles
disappear
in
receiver
dehydrator
and gauge readings
stabilize to specifi-
cations,
14-14.
Clogged screen in Purge system and re-
expansion valve.
place expansion
valve,
14-35.
Expansion
valve
Purge
system;
replace
thermal bulb has expansion valve, 14-35.
lost charge.
Clogged screen
in Purge
system; replace
receiver dehydrator. receiver dehydrator,
14-32.
Excessive moisture Purge system; replace
in system. receiver dehydrator,
14-32.
Air in
system.
Purge, evacuate and
charge system,
14-13
and
14-14.
(Replace
receiver
dehydrator,
14-32.)
Issued: 1/3/78
ACCESSORIES
AND UTILITIES