Service manual

Component Teardown
6-13
Figure 6-28. Theater Lighting Control Removal
Screws
Door Switch
Figure 6-29. Filter-Drier Removal
Cut Here
Cut Here
Theater Lighting Control Removal
The theater lighting control is mounted to the lower left
interior side wall in the compressor area. The control
may be accessed from the front but is easier to access
from the rear of the unit. (See Figure 6-28)
To remove the theater lighting control:
1. Pull unit from its installation position to access the
rear compressor area. Disconnect power from unit.
2. Extract the screws securing the fiber board cover to
the unit frame and remove from unit.
3. Disconnect wire harness connector from theater
lighting control.
4. Extract screws securing the theater lighting control to
the side wall of the unit. Remove control from unit.
Filter-Drier Removal
The fi lter-drier is located in the compressor area on the
left side of the compressor. (See Figure 6-29)
To remove the fi lter-drier:
1. Pull unit from its installation position to access the
rear compressor area. Disconnect power from unit.
2. Extract the screws securing the fiber board cover to
the unit frame and remove from unit.
3. Recover refrigerant by using EPA approved
recovery system.
4. Using a 3 cornered file, score a groove around
capillary tube as close to old filter-drier as possible.
Break capillary tube along score mark from
filter-drier.
5. Cut condenser outlet tube at filter-drier. Discard
filter-drier.
6. Thoroughly clean condenser outlet tube and
capillary tube.
7. Place inlet connection of filter-drier over condenser
tube approximately ¼” and solder.
8. Insert capillary tube input end into filter-drier outlet.
Do not allow tube to bottom against screen. Solder
carefully so that solder does not plug capillary tube.
9. Install process tube adapter to filter-drier.
10. Evacuate and charge system using recommended
procedure described under Evacuating and
Recharging in the Refrigeration section.
11. Reassemble unit.
Electrical
Connection
On R-134a systems, the system must NOT be
left open to the atmosphere for more than 10
minutes to prevent moisture contamination of
compressor oil.