R E Sis To; Specifications - GMC 1982 Light Duty Truck Service Manual

AIR SENSING CAPILLARY— 7 -^-THERMOSTATIC SWITCH
BUMPER
BLOWER SWITCH
Fig. 1 B-73--Thermostatic and Blower Switches
Compressor
T y p e .................................... 6 Cylinder Axial
Displacement
6 Cylinder A x ia l............................. 12.6Cu. In.
4
Cylinder R a d i a l ......................... 10.0Cu.ln.
R o t a t io n ......................... ...
Volts
Blower Motor
C-K Four Season . , 12.0
C-K-G Overhead,
G Floor and
Motor Home
U n its....................12.0
Compressor Clutch Coil
Ohms (at 8 0 ° F ) ............................................................
Amps, (at 8 0 ° F ) ........................................3.33 @ 12 volts

SPECIFICATIONS

A IR C O N D IT IO N IN G
4 Cylinder Radial
Clockwise
Amps. RPM
(Cold) (Cold)
12.8 Max. 3400 Min.
13.7 Max. 3400 Min.
3.70
3. Install replacem ent switch, reinstall cover plate and
reverse steps 1-8
A ssem bly" removal precedure.
W hen installing therm ostatic switch, be sure to position
sensing capillary as when unit was removed.
RESISTOR
The blower m otor resistor is located on the top of the
unit. The entire unit m ust be removed to replace the resistor.
FUSE
This U nit does not incorporate an in-line fuse. The lead
wire is connected to th e H e a te r W iring H arness and
operates off the 20 am p H eater Fuse.
Torque Specifications
Compressor Suction and Discharge
Connector B o l t ................................................ 25 ft. Ibs.
Rear Head to Shell Stud Nuts ( 6 C y l .) ............23 ft. lbs.
Shaft Mounting Nut (6 C y l . ) ............................
Shaft Mounting Nut (4 Cyl.)
High Pressure Relief Valve (6 Cyl.)
Charge Screw (6 Cyl.)
Oil
Air Gap on Clutch (6 Cyl.)
Compressor Mounting B r a c k e t ............................ 35 f t . Ibs.
Compressor to Front Bracket Bolts
Belt Tension ......................... See Tune-Up Chart
Fuse Block—
C-K S y s t e m s ......................................................25 Amp.
Motor Hopie Chassis Unit............................... 20 Amp.
In-Line—
C-K S y s t e m s ......................................................
Motor Home Chassis U n it..................................... None
Circuit Breaker
G Model System s................................................45 Amp.
AIR CONDITIONING IB-53
of th e "B lo w er-E v apo rato r
20 ft. lbs.
..................8-12 ft. Ibs.
. . . . 12 ft. Ibs.
..................... 14 ft. Ibs.
.................. 022 to .057 in.
. . . . 25 ft. Ibs.
25
Amp.