Refrigeration Service Operations
97
Disassembly
1. Remove the piston end cap (round end).
2. Remove the cotter pin from the castle nut and
remove the nut.
3. Remove the spring and piston.
4. Loosen all the bolts on the bellows end cap.
5. Break the gasket free and remove the end cap.
6. Note the number of shims next to the cap.
These can be reused.
7. Remove the bellows.
8. Inspect all the parts.
a. Piston and cap for wear (scuff marks).
b. Body for stripped threads.
c. Bellows end cap for damage in the pilot
hole.
NOTE: The bellows is normally replaced.
9. Clean the parts that will be reused.
Reassembly
1. Install the bellows with the O-ring in the
housing.
2. Center the spring on the bellows shoulder.
3. Oil the gasket, install it on the housing, and
place the shims in the end cap (use same
number as removed). Tighten the end cap in
place with the vent hole closest to the outlet
opening of the valve housing.
4. Install the piston, spring and tighten the castle
nut until it is firmly seated against the bottom
of the piston.
CAUTION: This end cap is under slight
spring pressure.
1.
Inspect Cap
2.
Inspect Spring
3.
Shims
Figure 64: Inspect the Parts
1.
Inspect for Wear
Figure 65: Inspect for Wear
1.
Inspect for Damage
Figure 66: Inspect for Damage
Содержание 002008
Страница 4: ...4 ...
Страница 25: ...Unit Description 25 Figure 3 Zone 1 Cool Zone 2 Cool and Zone 3 Cool Zone 3 Zone 2 Zone 1 AGA168 ...
Страница 27: ...Unit Description 27 Figure 4 Zone 1 Cool Zone 2 Cool and Zone 3 Heat Zone 3 Zone 2 Zone 1 AGA169 ...
Страница 30: ...Unit Description 30 Figure 9 Front View AJA920 ...
Страница 31: ...Unit Description 31 1 Access Panels 2 Defrost Damper Figure 10 Back View 1 2 ARA104 ...
Страница 114: ...Mechanical Diagnosis 114 ...
Страница 116: ...Electric Standby Diagnosis 116 ...
Страница 120: ...Remote Evaporator Specifications 120 ...
Страница 122: ...Remote Evaporator Maintenance Inspection Schedule 122 ...
Страница 128: ...Remote Evaporator Electrical Maintenance 128 ...
Страница 132: ...Remote Evaporator Refrigeration Service Operations 132 ...
Страница 134: ...Remote Evaporator Structural Maintenance 134 ...
Страница 136: ...Remote Evaporator System Diagnosis 136 ...
Страница 140: ...Index 140 ...
Страница 142: ......
Страница 143: ...143 Model 30 Schematic Diagram Page 1 of 2 ...
Страница 144: ...144 Model 30 Schematic Diagram Page 2 of 2 ...
Страница 145: ...145 Model 30 Wiring Diagram Page 1 of 4 ...
Страница 146: ...146 Model 30 Wiring Diagram Page 2 of 4 ...
Страница 147: ...147 Model 30 Wiring Diagram Page 3 of 4 ...
Страница 148: ...148 Model 30 Wiring Diagram Page 4 of 4 ...
Страница 149: ...149 Model 50 Schematic Diagram Page 1 of 2 ...
Страница 150: ...150 Model 50 Schematic Diagram Page 2 of 2 ...
Страница 151: ...151 Model 50 Wiring Diagram Page 1 of 5 ...
Страница 152: ...152 Model 50 Wiring Diagram Page 2 of 5 ...
Страница 153: ...153 Model 50 Wiring Diagram Page 3 of 5 ...
Страница 154: ...154 Model 50 Wiring Diagram Page 4 of 5 ...
Страница 155: ...155 Model 50 Wiring Diagram Page 5 of 5 ...