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Sign Me Up, Sir !

Thank You for the confirmation !

Thank you, revealing, the circuit which fails is the culprit, not the VR

Which would indicate which circuit is causing the issue or the VR has died ?

Thank you kloppk, So the tests as described only verify that the exciter, transformer and pot are functioning properly ?

Am headed to test unit and want to be clear about instructions, seems Odd that the instructions provide values that should be attained, but if those values ARE attained then regulator is defective ? Doesn't seem to Jive, but if so I would like to know for certain ?

Am headed to test unit and want to be clear about instructions, seems Odd that the instructions provide values that should be attained, but if those values ARE attained then regulator is defective ? Doesn't seem to Jive, but if so I would like to know for certain ?

kloppk, I would like to be clear about instruction m, which states "If steps h, j, and l are as indicated above, AC voltage regulator is defective and must be replaced", which is saying to me that after performing those tests h, j and l, that the readings requested match the values stated, that...

Thank you GuyFang, I would like to be clear about instruction m, which states "If steps h, j, and l are as indicated above, AC voltage regulator is defective and must be replaced", which is saying to me that after performing those tests h, j and l, that the readings requested match the values...

Thank You Gents

I reckon the 1st order of testing is to determine which p/n of VR is installed, then proceed as directed; Testing (AC Voltage Regulator, P/N 01-21501-1, for MEP-804A/MEP-804B) a. Shut down generator set b. Open output box access door c. Note position of voltage reconnection terminal board and...

kloppk, Looked at the TM -24 manual, Chapter 4 - 1. 1 - 4 -1.2, shows to be VR Testing for a P/N 1-21501-1 or -2, for MEP804A/B, I did see some other comments on other strings, that gave me some good clues as well, my unit has the Yanmar engine

Thank you Sir

Thank You I did that eventually, and am getting some info from previous Strings and other members now !

KLOPPK, I am not in Arkansas at this time, but will be later this week, I do remember that the unit is Blue in Color mounted on the back wall of electrical control cabinet up top, does that give you a clue as to which brand is installed on this unit ?

Thank You Sir

Interested in knowing what would cause the Hertz gauge and volt gauge to go to "0" when S1 Switch released from Start position, is there a latching relay that maintains that connection or somethin else. just had this issue yesterday, unit has been performing fine until yesterday and was using it...

I have been using my 804B for quite some time and has been working well for me, however yesterday, I fired 'er up and the S1 Switch when placed to Start Position seemed normal, but once released after a few seconds in start position, the hertz gauge and the voltage gauge dropped to "0". I have...

My '89 M998 is ready for whatever and can legally drive wherever, it was a chore, but it is done !