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Will Schreiber is now a member of Viking Aircraft Engine Forum
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Nov 28
Dale Medendorp replied to Dale Medendorp's discussion Removing Gearbox
"I got it off. I removed the 3 nuts on the flywheel spider and pulled and pried until it came off. It was quite a workout. Removing the flywheel was easy in comparison! Thanks for the help!"
Nov 28
Bob Turner replied to Dale Medendorp's discussion Removing Gearbox
"Dale I had the nuts and bolts holding the spider drive on in my 110. I took all of them off and just started wiggling the gearbox around. I could feel very little movement at first but after about 30 minutes I got it broken loose and off. I just got my new flywheel and upgraded gearbox back just before thanksgiving. Now I've got to get out and re-install it."
Nov 28
Viking Aircraft Engines replied to Dale Medendorp's discussion Removing Gearbox
"You need to remove a minimum of 3 nuts from the bolts holding the couplers. Or, if you already have the pin system, without the nuts, it is being held by the center pilot bearing only.

Get an 8 foot 2x3 and devide into 3 sections.
Get some help and pry between gearbox and flywheel from 2 or 3 directions while someone (or a table) catch the gearbox as it come off the engine.

With the latest system this is no longer an issue because a replaceable plastic alignment bushing is used, rather than a bearing"
Nov 28
Dale Medendorp posted a discussion
I'm attempting to remove the gearbox for the Flywheel upgrade on my 110 engine but I'm running into trouble.  The gearbox is completely disconnected except for the connection to the rubber couplers.  I've tried everything I can think of to get the gearbox off, but it seems to be welded to the couplers.  Has anyone else run into this problem and come up with a method that works?  Any help will be appreciated!Dale
Nov 28
Dale C posted a discussion
Does anyone know the price for the firewall forward package and what is included in it when purchasing an engine on Black Friday?
Nov 24
Daniel J Stanton updated their profile photo
Nov 24
Viking Aircraft Engines posted photos
Nov 24
Daniel J Stanton posted photos
Nov 23
Daniel J Stanton updated their profile photo
Nov 23
Xing Ouyang is now a member of Viking Aircraft Engine Forum
Nov 23
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Comments

  • In another approach to the Gates idler pulley spacer I took a 1" cold rolled steel bar and turned it down on the lathe.  It took awhile but it should be plenty strong.

  • Flywheel/gearbox done on my 110!  I worried about this for a month and it was much easier than I thought.  The Viking videos were a big help.  Once I got the upgraded gearbox back it only took me about 3 hours to get it re-installed.

  • Latest from Viking
    200th Steel Bungee sold
    Viking Turbo 170 Flying through its first 200 hours

    Compare with UL 350 max torque of 236 ft.lb to Viking 130 at 286 ft.lb

    170 HP to altitude.  The Viking 170
  • What is the torque value for the oil tank center mount bolt? I drilled the head of my oil drain plug and want to remove and drill the head of the mount bolt so I can safety wire them. Any issues in doing this, my oil tank is empty at present?

    • Add a bead of the right stuff to the shank, above the bolt head.

      Use blue LockTite on bolt

      Tighten until bottom lid maintain 1/16 bow with straightedge across bottom.  Recheck as sealer settle.

  • I'm resealing my oil tank, what is the recommended torque setting for the center bolt holding the tank to the engine?

    • Add a bead of the right stuff to the shank, above the bolt head.

      Use blue LockTite on bolt

      Tighten until bottom lid maintain 1/16 bow with straightedge across bottom.  Recheck as sealer settle.

    • Thanks, appreciate all your help.

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