Talley UAC40-5/6-08, Technical Manual

Page: 255 / 353

TM5-4120-375-14
COMPRESSOR (CONT.)
LOCATION/ITEM ACTION
R E M A R K S
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2. THERMAL OVERLOAD (Compressor)
a. Check
for the lack of continuity between
the two compressor thermal overload
pins.
b. Check for grounding between the two
thermal overload pins and
compressor housing. If any one of the
indicates it is grounded to compressor
housing, replace thermal overload.
CRANKCASE HEATER
pins
a. Check for the lack of continuity between ,
the two crankcase heater pins.
b.
Check for grounding between the two
crankcase heater pins and
compressor housing.
If any one of the pins
indicates it is grounded to compressor
housing, replace crankcase heater.
4. THERMAL OVERLOAD (Crankcase heater)
a.
b.
e. Install
5-13.
Check for the lack of continuity between
the two crankcase heater thermal overload
pins.
Check for grounding between the two crank-
case heater thermal overload pins and
compressor housing.
If any one of the pins
indicates it is grounded to compressor
housing, replace crankcase heater
thermal overload.
gauges in accordance with paragraph
f. Check system pressures in accordance with Table
5-2.
g.
If suction pressure is high and discharge pressure
is low replace compressor.
5-87