Heater: 1 - side nozzle; 2 - air duct of the side nozzle; 3 – an air line of heating of a windshield; 4 - central nozzles; 5 - control rod of the air intake damper; 6 - air intake damper; 7 - radiator; 8 - heater seal; 9 - radiator casing; 10 - outlet pipe; 11 - inlet pipe; 12 - crane; 13 - air distribution cover; 14 - fan casing; 15 - impeller; 16 - electric motor; 17 – crane control rod; 18 - control rod for the windshield heating damper; 19 – an arm of levers of management of a heater; 20 - air damper control handle; 21 - control handle for the windshield heating damper; 22 - crane control handle.
Heater operation scheme: 1 - air distribution cover; 2 - fan casing; 3 - fan motor; 4 - impeller; 5 - radiator; 6 - inlet pipe; 7 - outlet pipe; 8 - radiator casing; 9 - air intake damper; 10 – air supply box; 11 - windshield heating air duct; 12 - damper of the central nozzle; 13 - central nozzle; 14 – crane control handle; 15 - control handle for the windshield heating damper; 16 - air damper control handle; 17 – an arm of control levers; 18 - damper for heating the windshield; 19 - control rod for the windshield heating damper.