Thermo King T9 M4A M4B Intercity Coach Air Conditioning Maintenance Manual Wiring Diagrams TK 40368 (12-91) The T9 M4/M4A/M4B unit is a one a one-piece
condenser, evaporator, heater assembly specifically designed to fit the inside
upper rear area of intercity coaches. All electrical controls for heating and
cooling of the bus are located in a control box attached to the roadside of the
unit frame in the condenser section and are accessible from outside the bus. A
harness connector is also located on the roadside of the unit and connects to
the bus electrical circuitry. Covers: Safety Precautions,
Specifications, Maintenance Inspection Schedule, General Description, Operating
Instructions, Electrical Maintenance, Condenser and Evaporator/Heater DC Motor
Maintenance, Refrigeration Maintenance, Refrigeration Service Operation,
Structural Maintenance, Clutch Maintenance, Refrigeration Diagram, Diagnosis,
Analysis, Temperature pressure Chart, Wiring Diagram and Schematics,
Supplement Compressor Model - Thermo King X430 Like new condition with some shelf wear. 77 pages
loaded with diagrams We have more manuals available in our store and
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