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Forgot the CT's are in parallel with those resistors so the resistance measured at R10 and R11 may be right. The wire that fell off was probably the problem! Bad solder joint or it was vibrating and gradually breaking the strands of the wire over time.

Did you have loads connected when you closed the contactor? If so what and how much load? Did you have a chance to check the resistance of R10, R11 and R12 with the set OFF?

Does the engine bog down indicating a heavy load before it throws the fault? With the set OFF you could try measuring the resistance of the 3 resistors. They should be 7.5 ohms.

The voltages at the burden resistors look good. The K8 Overload / Short Circuit module monitors these 3 voltages to determine if there is either an overload or short circuit condition. Overload starts to occur if any one of the 3 voltages is 7.5 volts AC or higher (133% rated load). Short...

See post #10

Get the set properly grounded first as Ray indicated. An overload occurs when the set "thinks" it sees a load of 425% on any output leg. Poor contact inside the AM/VM switch and the Voltage/Phase reconnection switch can cause false Overload and Short Circuit faults. With the set OFF I'd...

A long shot but maybe check if the MPU is adjusted properly.

Does the audible RPM jump up at the same time?

Have you monitored the output frequency while doing this? Use an external meter and don't rely on the sets frequency meter. Does the RPM stay steady? Does the frequency stay steady?

edit: Kits in stock ready to ship.

Be sure the sets have the Fuse Mod installed in them. A copy of TM 5-6115-624-BD BATTLEFIELD DAMAGE ASSESSMENT AND REPAIR How to repair and jury rig a set to get it working is a pinch. Some good info in the thread about spares Spare Parts Also if not mentioned in that thread A set of...

You ought to be able to leave a jumper across CR1 as long as needed. It's there to prevent damage to the set in case the batteries get hooked up backwards. The solar diodes will work.

I believe that's the ground cable that gets attached to the ground rod. It's suppose to be about 5' long according to the -10 TM. From the picture it appears to be folded up. When used the braid is fed out one of the holes in the side of the set and it gets attached to the ground rod.

It could be that diode CR1 failed. If it fails you loose all 24 volt power and you cannot dead crank the set. CR1 is a 1N5405 3 amp diode. In a pinch you can put a jumper across the terminals that CR1 is soldered to to restore power.

In the hat

Sry, nothing for the 805B or 806B

For fuses the voltage rating needs to be equal or higher than the voltage being protected. A higher voltage rated fuse will work just as well as one rated closer to the voltage being protected. Generally a fuse rated for 120 VAC came be used to protect a DC circuit up to 60 volts. One half the...

Mounting bracked is PN 5197110850 5340-01-414-2903 It in TM 9-2815-254-24P

When running with S5 in the center position S5-5sshould have 24 volts on it. When you lift S5 S5-5 should go to 0 volts. Seems that's what you have working now. With the set running and you lift and HOLD S5 UP does the Contactor lamp illuminate? Does it stay illuminated when you release it?

Do you mean no continuity between TB5-16 and J6-35?