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Date:  11-12-2015
Number of Hours:  4.00
Manual Reference:  
Brief Description:  Engine work - 04

Electrical - Well as I bounce from system to system I also have been working on the electrical. Image one shows the gascolator and just to the right is the 60 AMP fuse for the alternator. The mount came with very long steel bolts with fiber nuts. I am trying to eliminate fiber nuts in the engine compartment. I orderd replacement AN-5 drilled bolts and castle nuts which arrived yesterday. So it is now installed with a copper bar connecting it to the shunt. The shunt is partially blocked from view by the engine mount.

The shunt will be connected to battery contactor for charging the battery and the lead into the aircraft power bus comes off the shunt. The shunt itself is connected to ammeter function of the PFD so I can see the aircraft electrcal demand, including battery charging. An excessive load could indicate a runaway battery, an unlikely event.

So the wires are in place for the lead into the aircraft ( I need to crimp one more connector) and I need to build the connection from the shunt to the battery contactor (two connections to crimp.) This is 8 AWG wire so I need to borrow a bigger crimper. I had removed the alternator to check its wiring connections. It can go back on and I can run the 8 AWG from it to the fuse.
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