2-24. AIR COMPRESSOR (CONT)
Turn on electrical power to air compressor.
This adjustment is performed with
power on. Proceed with extreme
caution. Follow steps carefully.
Death or serious injury could result.
Loosen captive acorn nut (5) and remove
pressure switch cover (6).
Open bleeder valve (7) on bottom of air tank (8).
Release air until compressor turns on. Note
pressure on pressure gage (9). Close bleeder
Watch pressure gage (9) on air tank (8) and
note the pressure that the compressor cuts off.
The pressure switch has a differential
Adjustment of nut (10) changes the
cutoff pressure. Tightening the nut
Make a one-quarter turn of nut (10) to increase
or decrease cutoff pressure.
Repeat steps 3 thru 5 until the compressor cut-
on/cutoff range is reached: ON-60 psi (414 kPa); OFF-
80 psi (552 kPa).
Install pressure switch cover (6), tighten captive
acorn nut (5), and turn off power to compressor.
Change 1 2-91