Ranger Vacuum Pump

[Ranchaero Wing Shop]

'Dear List,

I'm reconnecting wires and tubes, etc, to the newly rebuilt Ranger
engine, and see there are 3 wires from the mag switch - Left, Right, and
Ground. L & R are clear enough where they connect, but it's not clear
where the ground should connect. The wiring diagram shows it going to
ground, and the wire length is 50-1/2". It would seem it can be
connected almost anywhere on the engine and function as ground, but I
expect there is a standard location where this wire likes to be
connected. Can anyone please advise?

Thanks,
David

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[tomatotruck993]

'The preferred location for that ground is the magneto housing. 2nd choice is the engine case. I do not like grounding to the airframe then hoping the engine grounded through it's mount to the same airframe stays grounded.'

[Ranchaero Wing Shop]

' That makes perfect sense. Thanks!


On 1/22/2016 9:30 PM, wsknettl@centurytel.net [fairchildclub] wrote:

 
The preferred location for that ground is the magneto housing. 2nd choice is the engine case. I do not like grounding to the airframe then hoping the engine grounded through it's mount to the same airframe stays grounded.

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[William]

'
Been chasing high oil consumption for quite awhile on my Fairchild. Just installed rebuilt Ranger 200 hp (8.1 hrs).  Noting excessive oil on belly below vacuum pump vent/drain.


Recommendations on pump rebuild shop, or replacement yellow-tag?


Bill C.
281-222-6938
NC28685


'