Jake's

[Rick 74 MC-8]

I need to replace a coil on one bank. DD 8V71na (they are marked 71/92) Question is do the coils come off and just slide back on like other solenoids or is it more involved  and where is the best source to get them DD?  I am going but the bus today to check voltage I thick they are 12V but want to make sure



                                                           Thanks
                                                           Rick 74 MC-8V71

[JackConrad]

I need to replace a coil on one bank. DD 8V71na (they are marked 71/92) Question is do the coils come off and just slide back on like other solenoids or is it more involved  and where is the best source to get them DD?  I am going but the bus today to check voltage I thick they are 12V but want to make sure
Thanks
Rick 74 MC-8V71

Could be either voltage. Probably depends on what was available at best price when they were installed.  If vI recall correctly, there are 1 or 2 O rings around the lower part of the coil.  Go to www.jakebrake.com for complete parts & service manual.  Jack

[Rick 74 MC-8]

Thanks Jack
I checked they are 12 V. Where can I get them at a fair price?



                                                             Rick
                                                             74-MC-8

[Barn Owl]

My coils are threaded so they screw on and off. I thought that I needed a coil last year, but I found that the solenoid was not screwed in tight, and therefore not making a good ground. They are easy to check, just unscrew one and hook it up to a good 12v source and ground. You can see them work (The top disk pulls in a fraction of an inch). I also need to mention that they need a full 12v. A slight voltage loss in any connection will cause the solenoid to be weak or inoperative.

[bevans6]

I'm curious as to  why you would be using a 12V coil on an MCI, which is usually a 24V bus?

Brian

[JackConrad]

I'm curious as to  why you would be using a 12V coil on an MCI, which is usually a 24V bus?
Brian

Brian,
   Our MC-8 has 12 volt Jakes because that was what was available at the best price (used) . We operate them off the house battery bank and have had no problems.  Jack

[Don Fairchild]

Rick;

The solenoids screw on and off. Their are three square cut "o" rings each a different size.

I don't know if I have any good used ones or not but I will look on Monday. At this time I am shut down and looking for a place to move to. i am talking to my wife read hard about moving out off this state.

Don't know what the future holds yet but look forward to it.

Don

[Rick 74 MC-8]

Thanks Don
let me know my # is Six three zero 941- One 835
And Don remember
The lord never closes a door without opening another.  But sometimes it is hell in the hallway



                                                                   Rick
                                                                   74 MC-8