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Structural Maintenance (Rev. 04/03)
134
DEFROST DAMPER
Check the damper during scheduled maintenance inspec-
tions for shaft wear, end play and sealing against air flow.
Position the damper so that the air flow is stopped top and
bottom with the solenoid plunger bottomed.
1.
If the damper does not close completely:
a.
Energize damper solenoid by placing a jumper
wire from 12 Vdc to No. 29 wire in the evaporator
harness.
b.
If damper blade closes, proceed to step 2. If not,
proceed to step 1.c.
c.
Remove the jumper wire, loosen the evaporator
outlet adjustment angle and move so when ener-
gized, the damper will close.
d.
Retighten the adjustment angle and repeat steps a.
and b.
Defrost Damper Adjustment
2.
If the damper blade does not seal evenly along full
width of blade:
a.
Loosen the damper bearing blocks.
b.
Manually close the damper so the blade makes
contact at the top and bottom of the funnel, the full
width of the blade.
c.
Retighten damper bearing blocks.
d.
Lube bearing block and shaft with low temperature
grease TK No. 203-386.
Summary of Contents for KD-II SR
Page 4: ......
Page 8: ......
Page 13: ...Safety Precautions Rev 04 03 v AEA40...
Page 14: ...Safety Precautions Rev 04 03 vi AEA38...
Page 33: ...Unit Description Rev 04 03 19 1 Evaporator 2 Access Door Rear View Curbside KD II SR 1 2 AEA38...
Page 37: ...Unit Description Rev 04 03 23 Power Receptacle Box KD II SR 50 AEA42...
Page 58: ...Remote Control Panel Features Rev 04 03 44...
Page 112: ...Refrigeration Maintenance Rev 04 03 98...
Page 120: ...106...
Page 146: ...132...
Page 156: ...142...
Page 162: ...148...
Page 170: ...156...
Page 172: ...158...
Page 173: ...159 KD II 30 Schematic Diagram Page 1 of 2...
Page 174: ...160 KD II 30 Schematic Diagram Page 2 of 2...
Page 175: ...161 KD II 30 Wiring Diagram Page 1 of 2...
Page 176: ...162 KD II 30 Wiring Diagram Page 2 of 2...
Page 177: ...163 KD II 50 Schematic Diagram Page 1 of 2...
Page 178: ...164 KD II 50 Schematic Diagram Page 2 of 2...
Page 179: ...165 KD II 50 Wiring Diagram Page 1 of 2...
Page 180: ...166 KD II 50 Wiring Diagram Page 2 of 2...
Page 181: ...167 KD II 50 SR 230 1 60 Wiring Diagram Page 1 of 2...
Page 182: ...168 KD II 50 SR 230 1 60 Wiring Diagram Page 2 of 2...