GMC 1976 ZEO 6083 Maintenance Manual page 736

24D- 6 REFRIGERATOR
Figure 1 1-Removing Evaporator
Screws
THERMOSTAT REMOVAL
(FIGURE 10)
1 . Remove four screws holding thermostat and
its face plate to the back of the refrigerator cabinet.
2. Pull thermostat from cabinet wall, and discon-
nect three electrical leads from back of thermostat .
Remove sensing tube from freezer tray .
3. Pull control knob off, and remove face plate
from thermostat by removing retaining nuts and
bolts.
COOLING UNIT REMOVAL
1 . Remove refrigerator from vehicle.
Figure 12-Removing Thermostat Sensing Tube
Figure 13-Removing Sheet Metal Plate
2. Remove eight screws from upper and lower
evaporator plates, four screws in each (figure 11).
3 . Remove thermostat sensing element from
lower evaporator plate by removing two screws (fig-
ure 12).
4. Disconnect electrical leads to the compressor .
CAUTION : Care must betaken when remov-
ing or installing electrical leads to the com-
pressor. The bottom nuts must not be
loosened or tightened as the seals at these
points may be damaged.
Figure 14-Loosening Cauling Seal on Blind Cover