Part numbers for prop/throttle controls (63C)

[phxcobraz]

I'm wanting to have my prop and throttle controls replaced at annual this month. The prop won't hold tension any longer and throttle is missing the tension adjustment long before I got it.

I'm trying to work with McFarlane to get the right ones ordered or, possibly I send my existing to them to duplicate.

My SN 2434 is not in their list for compatible cables, and I have the more uncommon McCauley prop/Woodward governor combo. The prop cable goes out the left side of the firewall, down a support bracket on the firewall, and to the governor.

 

Anyone have a parts list for the older Mooney control cables? McFarlane is trying to see if referencing a different s/n will help find one they already make/have that will fit.

[PT20J]

McFarlane told me the best way to do this is to send the originals. Then you will be certain to get the right part. 

Have you tried adjusting the tension? You should be able to loosen the nut behind the panel and tighten the nut in front of the panel to increase pressure on the gland. 

[phxcobraz]

1 hour ago, PT20J said:

McFarlane told me the best way to do this is to send the originals. Then you will be certain to get the right part. 

Have you tried adjusting the tension? You should be able to loosen the nut behind the panel and tighten the nut in front of the panel to increase pressure on the gland. 

That’s what I’m expecting to do. 

 

I will give tightening a try, from my understanding the adjustment for tension was very limited. 

[PT20J]

If you cannot access the nut on the back with an open end wrench, McFarlane has a tool for that. 

[Ragsf15e]

3 hours ago, PT20J said:

McFarlane told me the best way to do this is to send the originals. Then you will be certain to get the right part. 

Have you tried adjusting the tension? You should be able to loosen the nut behind the panel and tighten the nut in front of the panel to increase pressure on the gland. 

I really need to try this too.  My prop control (no friction control) has very low resistance and “walks” a little as i fly.  I remember m20doc telling me how to adjust the front and back nuts but it looks a little more intimidating than that.

[tim417]

I just went through all this. The custom cable shop at McFarlane is about 8 weeks for turnaround right now after they get your measurements or cables to duplicate. 

As you found, McFarlane’s PMA is missing some serial numbers. I called around and found one older sounding guy at LASAR that said the part numbers changed so if you look at the IPC for the 1963 Mooney M20C (S/N range 2297-2622) the prop cable number no longer is valid and no one has any idea what it is (HE-1003-451). However he provided these part numbers for my 1963 C Model Mooney (S/N 2518):

Throttle Control 660190-003

Prop Control 660189-005

LASAR does not have these in stock and neither does Mooney in Kerrville  LASAR and SWTA recommended I order direct from McFarlane since they make the cables for Mooney anyway.

When I pulled my throttle cable it was tagged with the above part number as

provided by LASAR. I ordered both cables from McFarlane’s standard production side as it was quoted only a 2-3 week turnaround vs the 8 weeks from the custom cable side. No guarantees yours is exactly the same (or that it will actually even work in my plane) but my guess is that it should be GTG. 

 

Hope this helps. 

[phxcobraz]

34 minutes ago, tim417 said:

I just went through all this. The custom cable shop at McFarlane is about 8 weeks for turnaround right now after they get your measurements or cables to duplicate. 

As you found, McFarlane’s PMA is missing some serial numbers. I called around and found one older sounding guy at LASAR that said the part numbers changed so if you look at the IPC for the 1963 Mooney M20C (S/N range 2297-2622) the prop cable number no longer is valid and no one has any idea what it is (HE-1003-451). However he provided these part numbers for my 1963 C Model Mooney (S/N 2518):

Throttle Control 660190-003

Prop Control 660189-005

LASAR does not have these in stock and neither does Mooney in Kerrville  LASAR and SWTA recommended I order direct from McFarlane since they make the cables for Mooney anyway.

When I pulled my throttle cable it was tagged with the above part number as

provided by LASAR. I ordered both cables from McFarlane’s standard production side as it was quoted only a 2-3 week turnaround vs the 8 weeks from the custom cable side. No guarantees yours is exactly the same (or that it will actually even work in my plane) but my guess is that it should be GTG. 

 

Hope this helps. 

Thank you this is very helpful. 

Your S/N is in the same range as mine. Do you have the McCauley prop and Woodward Governor, with the prop cable running down the firewall from pilot to copilot side? If so I am guessing your prop cable is the same as mine, and I could just order the same. The throttle seems to be the same on all the Mooney with the O-360(C/D/G) and doesn't have much of a bend to it, so I bet that is the same also. Most 63 M20C don't seem to have the prop option.

The 8 week turnaround is what I am trying to avoid. I would like to keep flying while waiting on the new controls, vs sending them for duplication and being down for 2-3 months.

[phxcobraz]

1 hour ago, Ragsf15e said:

I really need to try this too.  My prop control (no friction control) has very low resistance and “walks” a little as i fly.  I remember m20doc telling me how to adjust the front and back nuts but it looks a little more intimidating than that.

I have some angled head crescent wrenches I am hoping make getting in there easier. I bet getting the J-Bar handle out of the way would also help, if you could throw it on jacks.

[Ragsf15e]

2 minutes ago, phxcobraz said:

I have some angled head crescent wrenches I am hoping make getting in there easier. I bet getting the J-Bar handle out of the way would also help, if you could throw it on jacks.

Luckily for me, no J bar.  I’m going to take another good look under there this week and see what I can do.  I have some thin/short open ended wrenches that I use for the tough spots, hopefully the back nut isn’t too big.

[phxcobraz]

3 hours ago, PT20J said:

If you cannot access the nut on the back with an open end wrench, McFarlane has a tool for that. 

Found it. Looks super helpful. 
https://www.mcfarlaneaviation.com/products/product/TOOL132/

[tim417]

Havent looked at my governor but I am running a McCauley 3-blade scimitar prop. 

[Rmfriday]

Check out SB-174, it covers your SN. You should be able to cross refrence the part #s in 174 with current McFarlane part #s and avoid the 8 week down time.

This worked for me, PM me if you need more details.

SBM20-174.pdf

[phxcobraz]

1 hour ago, Rmfriday said:

Check out SB-174, it covers your SN. You should be able to cross refrence the part #s in 174 with current McFarlane part #s and avoid the 8 week down time.

This worked for me, PM me if you need more details.

SBM20-174.pdf 1.84 MB · 0 downloads

If I am reading that correctly it is P/N 660189.

I found this from McFarlane, however the -005 isn't referenced, but it is listed for propeller.

https://www.mcfarlaneaviation.com/products/product/MC660189-005/

I might call McFarlane back with this and confirm it will work.

[tim417]

That SB isnt the most clearly written. Yes, the COMPLIANCE NOTIFICATION section doesn’t reference the -5 suffix on the prop cable part number but the INSTRUCTION II section regarding propellor cable replacement references the entire part number with the -5 suffix. Between that and the info from LASAR, I am fairly confident that this part works in my plane. I’ll let you know how it goes when it arrives hopefully this week or early next. 

[phxcobraz]

1 hour ago, tim417 said:

That SB isnt the most clearly written. Yes, the COMPLIANCE NOTIFICATION section doesn’t reference the -5 suffix on the prop cable part number but the INSTRUCTION II section regarding propellor cable replacement references the entire part number with the -5 suffix. Between that and the info from LASAR, I am fairly confident that this part works in my plane. I’ll let you know how it goes when it arrives hopefully this week or early next. 

Awesome I will await your hopeful success. 

I am doing annual next week, so if we can tighten the nuts down to add tension I may not need it, but I would still rather get it replaced now than at failure. But we can install it a later date.

[phxcobraz]

Good news. Got out tonight and loosened the back nut about 3/4 turn and tightened the front nut down tight. It’s significantly tighter, actually had to play with it some to reduce tension as it got too tight. Need to do a runup still to see if it affects static full RPM or needs limit adjustment at the governor. Promising though. 
I used a 1in crowfoot wrench on a long extension/ratchet and was able to loosen/tighten the rear panel nut. 
 

Another bonus, while I was under the panel I noticed the connector to my GI106 that stopped working recently was fully disconnected and hanging. Reconnected and it’s working again. Will address the connector at annual next week. 

[Ragsf15e]

19 hours ago, phxcobraz said:

Good news. Got out tonight and loosened the back nut about 3/4 turn and tightened the front nut down tight. It’s significantly tighter, actually had to play with it some to reduce tension as it got too tight. Need to do a runup still to see if it affects static full RPM or needs limit adjustment at the governor. Promising though. 
I used a 1in crowfoot wrench on a long extension/ratchet and was able to loosen/tighten the rear panel nut. 
 

Another bonus, while I was under the panel I noticed the connector to my GI106 that stopped working recently was fully disconnected and hanging. Reconnected and it’s working again. Will address the connector at annual next week. 

Ha! You beat me to it!  Adjusted my prop control friction today too. Probably easiest thing i’ve ever done behind the panel. At first it looked like it might be hard because access to the back nut is difficult, but I loosened the front nut and then was able to move the back one by hand. Loosened it just a little, and then re-tightened the front nut. No more walking prop control during cruise. Wish I wouldn’t of waited so long to do it.

[phxcobraz]

15 minutes ago, Ragsf15e said:

Ha! You beat me to it!  Adjusted my prop control friction today too. Probably easiest thing i’ve ever done behind the panel. At first it looked like it might be hard because access to the back nut is difficult, but I loosened the front nut and then was able to move the back one by hand. Loosened it just a little, and then re-tightened the front nut. No more walking prop control during cruise. Wish I wouldn’t of waited so long to do it.

Same, I had asked a couple mechanics I worked with and they all said it's normal and can't be adjusted, so I kinda took their word for it and planned to just replace it.

Glad it worked out for you also!

[Tmack201]

My prop is increasing slightly in cruise also. I have a ‘92 J. Backed off the front nut on the knob and found a broken rubber washer, probably a compression washer which squeezes on shaft. Anyone had to replace this part? If so, do you have a part number?

[Ragsf15e]

17 minutes ago, Tmack201 said:

My prop is increasing slightly in cruise also. I have a ‘92 J. Backed off the front nut on the knob and found a broken rubber washer, probably a compression washer which squeezes on shaft. Anyone had to replace this part? If so, do you have a part number?

I can’t help specifically but I would try calling mcfarlane as they probably made the cable and have the part too.

[tim417]

On 3/16/2024 at 11:46 AM, Tmack201 said:

My prop is increasing slightly in cruise also. I have a ‘92 J. Backed off the front nut on the knob and found a broken rubber washer, probably a compression washer which squeezes on shaft. Anyone had to replace this part? If so, do you have a part number?

If you decide to replace the prop cable, it looks like your part number is 660226-003. 

[Tmack201]

Thanks, tim417. I did find it on McFarlane's website. Just hoping I don't have to replace the entire cable if it is just a $5.00 part that has failed!