if the smoke is white , that usually indicates water in the diesel, empty fuel tank and replace/clean the fuel filter
if the smoke is black that indicates excess diesel or unburnt fuel , normal fuel pump pressure is around 8 to 9 bar (you will need a gauge to check this ), another cause is often failure of the fuel nozzle to correctly atomise the fuel (remove nozzle and clean (a small sintered fuel filter inside this )
the burner electrodes should have a blue angry looking spark across them ,when checked (BE VERY CAREFULL WHILST DOING THIS as in effect you have a flame thrower ), usual gapping distances are around 6 mm
the electrodes should be sharp pointed and not rounded or pitted
a final cause is commonly a leaking fuel solenoid which can cause fuel to drip into the burner/heating coil assembly ( replace the solenoid
as you can see this can often be a complex and dirty job to repair and it might be better to contact a local service agent in your area . Hope this helps
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I believe the HDS sends spark to the ignitor any time the machine is on ( hot or cold) You should hear the crackle of the ignitor in the burner area. Perhaps the ignitor rods are not properly aligned. Perhaps your ignitor coil is bad. There are several safety switches and the thermostat that would keep the burner from firing if they are bad. There is a pressure switch that turns on and off the motor for hot or cold operation. That is apparently working. I think there is a flow switch that turns off the burner. The thermostat might not be opening and closing contacts and that will keep the burner from working. I believe there is a high temperature safety switch as well.
first do you have a fuel solenoid???i am a burner tech for thirty plus years.fuel solenoids are mounted on the fuel pump.flow switch.high limit switch and thermostat are connected in series to feed the fuel solenoid.
That is complete rubbish! You need to call Alkota Inc and report these crooks. Call 1-800-524-6486 and tell the operator you need to speak with someone about a poor Alkota dealership. She will hook you up with someone. Alkota and Whitco have merged and are now basically one brand with two different names. So if the operator answers "Whitco", it doesn't matter. You need to be hooked up with someone at the Alkota Manufacturing Plant. I expect they will be glad you called.
At any rate, the unloader should not have cracked. I don't know what the specs are on your machine, but I can't imagine 3/8 hose being inadequate. Take some digital pictures if you can.
Meanwhile, after you satisfy Alkota Inc with information, you'll want to locate a respectable dealership with a good reputation and have the pressure washer repaired. Oh, that's another thing -- try to reason with Alkota that you do not want this dealership to touch your machine again and also you don't want the personal stress of having to deal with them. Maybe they'll just send you a check to get it fixed, I really don't know.
As with all small engines, there's no telling what has run amock with yours. It's probably something simple. At any rate, it should be a complete warranty job -- even if repaired by a non alkota dealer.
I am a Whitco dealer. I hope you will keep me posted.
The issue with the black smoke could be a number of different things, the fuel filter could be bad, the air to fuel ratio on the burner system could be off and needs to be adjusting, this is difficult to do if you have never worked on a system like this before.
The issue with the burner not turning off would have to do with the pressure switch, flow switch or the thermostat. With a pressure washer like this the power in the electrical system will run through these different items and either say light or don't light. More than likely if your burner is staying on though it is going to be the flow switch that is sticking, I am not the most formular with the system that they have on this machine but that is the first thing I would check.
if the smoke is white , that usually indicates water in the diesel, empty fuel tank and replace/clean the fuel filter
if the smoke is black that indicates excess diesel or unburnt fuel , normal fuel pump pressure is around 8 to 9 bar (you will need a gauge to check this ), another cause is often failure of the fuel nozzle to correctly atomise the fuel (remove nozzle and clean (a small sintered fuel filter inside this )
the burner electrodes should have a blue angry looking spark across them ,when checked (BE VERY CAREFULL WHILST DOING THIS as in effect you have a flame thrower ), usual gapping distances are around 6 mm
the electrodes should be sharp pointed and not rounded or pitted
a final cause is commonly a leaking fuel solenoid which can cause fuel to drip into the burner/heating coil assembly ( replace the solenoid
as you can see this can often be a complex and dirty job to repair and it might be better to contact a local service agent in your area . Hope this helps
you burner assy needs to be cleaned , spark electrodes properly gapped and the fuel pump pressure set , the chemical pick up often gets clogged , and the chemical valve ( pump side becomes jammed ( a small ball bearing jams in the seat ) also clean out the diesel tank and clean or replace the fuel filter , if the smokes is white thats caused by water in the fuel , black smoke is too much fuel going to the burner assy or your ignition electrodes not igniting it
The fuel pump is controlled by several things. A flow switch, a thermostat, a pressure switch. All must be working for the heater to work. Also you said inject oil. I hope you mean diesel fuel or kerosene. It won't burn oil.
There is a screen in the tip of the spray nozzle for the diesel. Remove the tip and clean the screen. Your getting a explosion because diesel is pooling in the coils and igniting when conditions are right (air/fuel mixture). There is also a screen in the diesel pump. Remove the pump and clean it also. When you split the pump the screen sits between the two halves. Hope this will help.
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