The MEP-701A is a MEP-016B, with an ASK kit installed.
I accept responsibility for the Manuals not being posted correctly. The manuals you needed were posted in the SS TM forum. But under the heading, All the Manuals you need to work on the MEP-016B. My mistake. I assumed most folks would know that the gen sets are both the same.
There is NO description of how to MANUALLY flash the main generator fields, unless, there is a switch in the control panel for that function. And there are several generators that DO have said switch in the control panel. The manual field flash process is taught in the schools, but is not normally in the manual.
When I told you to look for the F1 and F2, (Once again, I assumed) I assumed you would know what they are, and what they do. I assumed wrong again.
For the main generator to light off, and produce power, F1 and F2 have to be energised with DC voltage. Normally, between 3-10 volts will do it. But the military uses 24 volts. Its normally a function of the S1, (start switch). Most gen sets operate in this manner. When you turn on the S1, the starter engages. The terminals F1 and F2 get sent a signal of 24 volts, and it lights the main gen off, and it produces power. To check to see if this happens, you place your multimeter leads on the F1 and F2 terminals on the VR1, (volt regulator) and have someone start the set up. You have to hold up the starter until the oil pressure builds up and you let go the S1. During that time you hold the S1 in the start position, you should measure 24 volts on your multimeter. If you get 24 volts to the F1 and F2 terminals, and no output on the LOAD TERMINALS, the VR1 is bad. If you do NOT get 24 volts at the F1 and F2 terminals, the S1 is bad, the K1, (start) relay is bad or the wires between. Please look at the schematic, bottom right corner, page 207, (PDF reader page number). The K1, is located on the A4 terminal board. These type relays often go bad.
If you look at the schematic, there is a "schedule", (page 208, PDF page number) that shows which terminals HAVE to have voltage on them, for the F1 and F2 to be energized. So have someone help you, to test the S1. One test lead on GROUND. Then turn the S1 into the start position, and measure pins 25, 27 and 28. They ALL should have 24 volts on them.
So before you start manually flashing the fields, try these steps first. THEN try to flash the fields, buy applying 24 volts to the two terminals on the VR1. Like I posted before, the two far left terminals on the VR1 are F1 and F2. They should be labeled F1 and F2. There is also a chart on the side of VR1, that tells you HOW to hook up the VR1, and where the jumpers should be on the terminal board, mounted on VR1, for the gen set model you are using. The chart is there because the VR1 is used in 3-4 (at least) different types of gen sets. CHECK THE CHART! Someone before you, could have wired it wrong. You can also find a chart in the TM 5-6115-615-34, page, (PDF page number 109). I do not know if the set is new to you, or if it worked before and stopped. You didnt share that information.
F1 is ALWAYS 24 volts positive. F2 24 volts negative.
The Flashlight reference is to the old trick of taping two D cells together, and then taping a wire to each end. Then the positive wire would be put on F1 terminal, the Negative wire on the F2, and you start the set. The reason you check first to see if you have voltage there from S1, is to prevent you applying voltage twice to the F1 and F2 wires, at the same time.
Have you followed the troubleshooting diagram on page 47, (PDF reader page number) in TM 5-6115-615-34?
