Turned switch over to open the air and walked out of the garage and remembered to flip the breaker on to start up the air compressor. worked for about 10 minutes and my sander would work, but it would let the air out though. went back into garage, and smelt like a electric fire or somthing, did i do somthing seriously wrong?
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The manual for your sprayer list several possible causes of the motor not starting, but does not indicate the presence of a reset switch. It has Thermal Overload but is reset by simply letting the motor cool.
From the manua: lProblem
The unit will not run.
The unit is not plugged in.
The pressure is set too low (pressure
control knob set at minimum setting does
not supply power to unit).
Faulty or loose wiring.
Excessive motor temperature.
ON/OFF switch is defective
Check the on off switch. The motor in these last forever .
Also check the brushes there are 2 panals with 4 screws on the plate top and botton of motor .
Water can get in and corroid contacts you to armitare
You just need to clean that up .
I have a 1991 660 same packing kit yours and I USE IT A LOT .
Brushe's arn't 10% worn out I have had to clean then if it was raining and the top got wet
A number of things are possible, starting with the obvious that there is fluid in the sprayer and it is under pressure. It is also possible that the pressure sensor (transducer), the motor or its connection to the control board are defective. Best take it to where you bought it to have the electrics checked, or at least have an electrician do it.
A ground to neutral short should not stop the machine and may be how the breaker panel was wired. Single phase 240 volt power just has two hot lines and the neutral just center taps the transformer winding supplying the 240 volts. The twin breakers that supply this voltage, should both trip even if only one line has a short on it. Check the resistance of L1 and L2 lines to neutral that feed the motor with the breakers off. Each should read nearly equal resistance which usually is only a few ohms when correct. Make sure the motor turns freely by hand as a locked compressor can certainly pop the breakers. If the compressor appears locked, remove the cylinder head(s) and try to turn again. If still locked, one of the connecting rods may have broken in the crankcase. The other problem could be a broken valve assembly in a head. If the motor has a capacitor start and/or run capacitor, it can cause a breaker trip because the motor cannot start with a defective capacitor. Hope some of this helps!
Possibly you were trying to adjust the regulator without having air flowing through it. You must squeeze the trigger on the gun and have air constantly flowing through it otherwise the regulator knob is very hard to turn against the pressure inside it. To set an accurate pressure, squeeze gun trigger (while connected to air hose) to get air flowing... then twist regulator knob out (or in the "-" direction) until air flow reads 0 on the regulator gauge. Then start twisting regulator knob the other way until you reach the desired pressure on the regulator gauge. Also make sure the regulator is attached with air flowing the correct way through it. There should be an arrow somewhere on the regulator body which should be pointing toward your spray gun.
I worked at a tool rental center when I was going to college and learned many useful tips / tricks about airless sprayers. Airless sprayers have two check valves/balls that can stick on their seats or stay open due to chips of paint on seat. Easy method to prime is to remove intake filter from machine, tilt the machine back far enough so that the pick-up tube is pointing up high enough to pour water in tube until full; hold in this position and turn on machine. If water is sucked in turn off machine and tilt machine into pail of water and restart to check for prime. If it still will not prime remove water from pickup tube and use air pressure into tube with bypass valve open. Air pressure will attempt to release the stuck lower check ball. If air pressure does not release stuck ball you may have to use physical pressure against ball. If lower check ball was stuck you can assume that the upper check ball is probably stuck also. An aid to loosen stickey valves is to pour solvent into pickup tube with machine tilted back as before leave overnite. Enjoy