New Holland T8010 Manual page 975

Blower Speed Switch And Blower Motor .................................................................................................. 50-1-80
Background ............................................................................................................................................. 50-1-80
Power and Ground Circuit ....................................................................................................................... 50-1-80
Possible Failure Modes ........................................................................................................................... 50-1-80
Blower Speed Switch and Power Circuit Test ......................................................................................... 50-1-81
Blower Motor Power, and Control Circuit Test ........................................................................................ 50-1-81
Evaporator Temperature Sensor .............................................................................................................. 50-1-83
Background ............................................................................................................................................. 50-1-83
Electrical Test - Sensor .......................................................................................................................... 50-1-83
Power Circuit ........................................................................................................................................... 50-1-84
Service Note: Too Little Cooling/Too Much Heating without Symptoms ................................................. 50-1-84
Evaporator Temperature Sensor and Circuit Test .................................................................................. 50-1-84
Controller Power, Ground And A/C Switch ............................................................................................... 50-1-86
Background ............................................................................................................................................. 50-1-86
Power and Ground Circuit ....................................................................................................................... 50-1-86
Possible Failure Modes ........................................................................................................................... 50-1-86
Controller Power Supply and Ground Test ............................................................................................. 50-1-86
A/C Switch and Circuit Test .................................................................................................................... 50-1-87
Cab Pressurizer Blower ............................................................................................................................ 50-1-88
Background ............................................................................................................................................. 50-1-88
Power and Ground .................................................................................................................................. 50-1-88
Cab Pressurizer Blower & Relay Power Supply and Ground Test .......................................................... 50-1-89
Section 50 - Climate Control - Chapter 1
50-1-4