New Holland T8010 Manual page 1082

STEP 26
Turn the control panel valve to START.
NOTE: This will equalize pressure on both sides of
the compressor for easier starting.
STEP 27
Connect a compressed air line to the air inlet on the
regulator at the rear of the station.
NOTE: The air system must offer a minimum of 120
psi (827 kPa) and a maximum of 200 psi (1379 kPa)
at sustained volume of 10 cfm (0.28 cmm).
Section 50 - Climate Control - Chapter 2
50-2-21
RR00E132
RR00E133