SOURCE: husky comp on 1st start builds up 75 lbs and wont restart
Check the reset button on the motor to see if it tripped. The motor may be overheating. Some motors have an internal breaker and they have to cool off before they restart. Also check the pressure switch. Move the switch back and forth ( on and off ) and listen for a click. If it doesn't click with low to no air pressure then the switch is bad.
SOURCE: pressure switch out of adjustment
Before you adjust the perssure switch, make sure that the intank check valve is not leaking pressure back to the pressure switch after it cuts off at 140psi. The check valve should hold pressure at 140psi. Follow the discharge airline to the tank to find the checkvalve (either chrome or brass with large cap). To check for leaking valve, run compressor till shut-off at 140, then unplug the compressor from wall and remove the 1/4 air fitting at the checkvalve and check for leak. If leaking, replace valve and leave the pressure switch at present setting. You should be good to go. Good Luck with your repair and email if you have questions.
SOURCE: Craftsman 30 Gal. 150 PSI Not building air over 45lbs
The compressor valve may have a faulty gasket or seal, and maybe leaking air internally. Or the compressor might be going downhill. You can try to replace the valve seal and see if that makes a difference, otherwise you need to replace the compressor.
SOURCE: WILL NOT BUILD UP AIR PRESSURE PAST 20 LBS.
Check to see if air is leaking past 'pressure relief' valve. It's probably leaking and that's where all the air is going.
If you need further help, I’m available over the phone at https://www.6ya.com/expert/craig_3fa289bf857b1a3c
Table 2-6. Rear Air Suspension Pressures
Shock Loading Recommended Pressures
PSI kPa
All Models Except FLHRS, FLHX - Standard Shocks
Solo rider up to 150 lbs. (68 kg), hereafter referred to as "Average" 0 0
Solo rider 150-200 lbs. (68-91 kg) 0-10 0-69
Solo rider 200-250 lbs. (91-113 kg) 5-15 35-103
Average rider with passenger up to 150 lbs. (68 kg) 10-15 69-103
Average rider with passenger up to 200 lbs. (91 kg) 20-25 138-172
Maximum GVWR (see Section 2.1 Specifications) 20-35 138-241
FLHRS, FLHX Only - Low Profile Shocks
Solo rider up to 160 lbs. (73 kg), hereafter referred to as "Average" 0-5 0-35
Solo rider 160-200 lbs. (73-91 kg) 0-10 0-69
Solo rider over 200 lbs. (91 kg) 5-10 35-69
Average rider with passenger up to 150 lbs. (68 kg) 20-30 138-207
Average rider with passenger over 150 lbs. (68 kg) 25-35 172-241
Maximum GVWR (see Section 2.1 Specifications) 40-50 276-345
111WWAARRNNININGG
Use this table as a starting point in determining suitable rear air suspension pressures. Do not exceed
maximum GVWR when loading vehicle and do not pressurize system in excess of 50 psi (345 kPa) for
FLHRS, FLHX models and 35 psi (241 kPa) for all others. Excessive load weight and/or air suspension
pressure can adversely affect handling and lead to loss of vehicle control, which could result in loss of life
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