pidgeon chit welder
sticking metal since 1962
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https://www.cumminsgeneratortechnologies.com/en/
You might find what your looking for in the above .
30 yrs ago I used to build / repair several genny's a week .
Repairing / building with Petters & Honda engines plus Marcon alternators & components
You seem to have a functioning alternator . Usually it was all or nothing in electrical out put though you could adjust the voltage regulator on some of the older marks to compensate for a bit of wear on the engine .
If you have a simple varnished open to view component circuit board for the control panel there is an adjustable resistor in a 10 mm x 10 mm black block that does the voltage control .
If you have an aluminium case about six inches long by two wide by 1 thick that has black rubber in it and clip ternimals in it your scuppered.
I spent hours trying to dissolve/remove the rubber to get to the controller without any success. they used to cost £45 inc vat back then so might be around £140 ish now adays .
Do check simple things first like a carbon filled exhuast silencer stopping the genny hitting peak performance and a grotty oil filter as these can also drag the voltage/ wattlage down .
If it is a heavily carbonized silencer remove it for cleaning you can heat it with a blow lamp or a big gas torch to burn out the carbon then wash out with water and shake it dry .. just don't use the oxygen to make the carbon burn quicker once it starts glowing or you'll like as not burn a big hole in the thing.
KVA .... divide the kva by voltage to get theroetical amps and divide again by about 1.141 to get the DC heating amperage . I think it would show 4kva /220 v =18 amp divide by 1.141 gives something like 15 amps but in truth you'd reasonably only be able to get a workable 13 amps & the genny would chunter abit at that .
If the above figures are not present think engine .
Have you checked the injector spray form , break off pressure and leakage . Have you done a compression test on the engine & checked the oil and fuel filters
I've had a stroke a while back and seem to think what I've said is correct but am happy for someone who knows better to stand up and say so for the stroke has robbed me of some aspects of my memory banks .
.
You might find what your looking for in the above .
30 yrs ago I used to build / repair several genny's a week .
Repairing / building with Petters & Honda engines plus Marcon alternators & components
You seem to have a functioning alternator . Usually it was all or nothing in electrical out put though you could adjust the voltage regulator on some of the older marks to compensate for a bit of wear on the engine .
If you have a simple varnished open to view component circuit board for the control panel there is an adjustable resistor in a 10 mm x 10 mm black block that does the voltage control .
If you have an aluminium case about six inches long by two wide by 1 thick that has black rubber in it and clip ternimals in it your scuppered.
I spent hours trying to dissolve/remove the rubber to get to the controller without any success. they used to cost £45 inc vat back then so might be around £140 ish now adays .
Do check simple things first like a carbon filled exhuast silencer stopping the genny hitting peak performance and a grotty oil filter as these can also drag the voltage/ wattlage down .
If it is a heavily carbonized silencer remove it for cleaning you can heat it with a blow lamp or a big gas torch to burn out the carbon then wash out with water and shake it dry .. just don't use the oxygen to make the carbon burn quicker once it starts glowing or you'll like as not burn a big hole in the thing.
KVA .... divide the kva by voltage to get theroetical amps and divide again by about 1.141 to get the DC heating amperage . I think it would show 4kva /220 v =18 amp divide by 1.141 gives something like 15 amps but in truth you'd reasonably only be able to get a workable 13 amps & the genny would chunter abit at that .
If the above figures are not present think engine .
Have you checked the injector spray form , break off pressure and leakage . Have you done a compression test on the engine & checked the oil and fuel filters
I've had a stroke a while back and seem to think what I've said is correct but am happy for someone who knows better to stand up and say so for the stroke has robbed me of some aspects of my memory banks .
.