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Air Conditioning
AMM
% Trouble-Shooting % 1. General
% The table below lists the defects you could have with the air conditioning system. If you have the % trouble detailed in the Trouble column read across to the Possible Cause column. Then do the repair % given in the Repair column.
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Trouble Possible Cause Repair
No hot air flows to the system at any setting. Heat valve control cable out of adjustment. Heat valve control cable broken. Defective heat exchanger. Defective engine cooling system. Adjust the heat valve control cable. Replace the heat valve control cable. Trouble-shoot in accordance with Section 75-01. Trouble-shoot in accordance with Section 75-01.
Heating system supplies warm air when set to OFF. Heat valve control cable out of adjustment. Heat valve control cable broken. Adjust the heat valve control cable. Replace the heat valve control cable.
No hot air flows to the canopy. Distributor valve control cable out of adjustment. Distributor valve control cable broken. Canopy defrost hose disconnected. Adjust the distributor valve control cable. Replace the distributor valve control cable. Re-connect hose.
No hot air flows to the footwells. Distributor valve control cable out of adjustment. Distributor valve control cable broken. Air hose to footwell disconnected. Adjust the distributor valve control cable. Replace the distributor valve control cable. Re-connect hose.
No cool air from 1 outlet. Other outlets operate correctly. Outlet defective. Air duct blocked. Replace the cool air outlet. Remove blockage.
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Air Conditioning
AMM
% Maintenance Practices % 1. General
% This Section gives you the maintenance practices for the cabin heating system and tells you how to % replace outlets for the cooling system. Refer to Section 75-01 for maintenance data on the heat-% exchanger.
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