Hello all,
My Dirty harry is having an issue with the right ramp diverter, the one that switches the ball path from right flipper to left for ricochet shots. It no longer sits in line with the plastic inside edge of the right habitrail so balls get pinched and stuck.
It looks to me like the set screw has come loose and lets the diverter travel just a bit too much.

I haven't gotten a real chance to diagnose yet because the coil assembly for the diverter is located on the underside of the ramp right above the pops, so it would seem I need to remove the right ramp. Looking through I'm realizing that in order to take the right ramp out you need to take the left ramp out. In order to take the left ramp out you need to take out the vuk habitrail and I'm sure there's more I'm missing.

So before I undertake this project does anyone have any wise advice on either adjusting the diverter or on safely and sanely removing the ramps?

I took some quick pictures before leaving for work of the piece I'm talking about.

IMG_20200730_102630 (resized).jpg

IMG_20200730_102635 (resized).jpg

Thanks for the reply,
Do you mean the diverter itself would get stuck behind the hole in the plastic on the players left side? I'm not sure which rivets you mean either.

No, the diverter travels freely and won't get stuck behind the plastic that it hides behind to allow the ball to travel to left flipper. My issue is that it travels too far to return to 'normal' and over hangs into the path leading to the right flipper.
Like in my picture and excuse the phone finger painting, I believe the diverter is supposed to stop at the first red line, but actually rests at the second and pinched the ball (white)

IMG_20200730_102635~2 (resized).jpg

Ah, yes so mine has a bit too much play. Which rivets? Looking at the manual I'd assume it's the set screw that holds the shaft to the actuator.

Double post sorry

I don't right now sorry but I'll be home in another 5 hours or so here.
When it is supposed to retract into the slot cut out of the ramp it does so successfully. I'm not sure if it should go back farther but it doesn't impede the ball.
Thanks again for the replies.

Alright, looks like I'll have to adjust it. Which brings me back to my other conundrum in that taking the ramps apart seems like a big job. Any tips on that front? I did read somewhere that it's easier to take off the backboard of the playfield first.

I was thinking this set screw is what secures the plunger to the shaft.

Screenshot_20200730-140221 (resized).png

Bumping as the last part I need for my flipper rebuild comes in tomorrow.
I've tried going at that set screw but I'm convinced I need to take the ramps apart to actually get to the problem.
I'm hoping one of you pinside gurus knows a trick or two about this.

Thanks guys. I guess I'll bite the bullet and take the ramps apart this week. I'll try and keep you guys updated on what I find. Good point about cleaning PAR . She could use it in the tight spots.

bssbllr how does the backboard come off? Are there screws in the corners? I ordered the backboard graphics so I'll have to do so at some point anyway.

To update you guys I think I've gotten the diverter problem sorted. I took the backboard and left ramp off the game entirely, and loosened the front 4 screws for the right ramp. This gave my roommate enough clearance to get to the set screw and adjust it. Seems to work out ok now and he's saying we probably didn't need to remove the ramps to get behind if you have the right hex key.

I'm now down to my last issue that cropped up when I rebuilt the flippers last week: no power at the left flipper.
I'd originally wired the outside lugs backwards in a mistake and the game would reset when the left flipper activated. After realizing and switching them to their correct lugs the flipper worked fine for probably 20 or so flips. Now I have no voltage at any of the lugs when tested.
I found that I can't get continuity on fuse 902 on the fliptronic board even though it looks ok, but the manual indicates that this fuse is for the magnet. Fuse 904 checks good and this is the one that apparently controls the left flipper.
I've tested the magnet and confusingly enough even though it's fuse is 'bad' it fires and grabs the ball just fine.
Both right flippers are fine.
Any fliptronic experts on here?

I already had fuses on order, should be here soon. I'd rather not try it with a fuse from my TNG in case it blows and takes both my machines out.

It keeps blowing fuse 902 even when replaced. I've narrowed it down to only happening when I hold down the left flipper.
It works when flipping quickly but within 2 or 3 seconds of engaging the hold circuit it makes this oscillating kind of noise and blows F902 on the fliptronics board.

Is the manual wrong or can I just not wrap my head around this? There's some conflicting information about what the connections are called.
I've been going with the assumption that the upper left flipper coil drives the magnet, but it doesn't connect to F902, it's actually connected to F904.

Maybe I have a bad transistor at q9, maybe a short in either the magnet or flipper cabling? Bad diodes on the flipper coil?

IMG_20200804_123354~2 (resized).jpg

Screenshot_20200804-123159~2 (resized).png

Screenshot_20200804-123227~2 (resized).png

Also, the magnet has been testing fine. I let it run in solenoid test mode on repeat and it would energize and grab the ball.

I got what you were saying. I gave it a glance when the ramp was off and besides a little wear around the hole it looked good. Good tip though.

New coil, more new fuses and I'm back in business. I can only guess, but I'm thinking that it was either bad diodes or poor soldering on the coil that was blowing the fuse. Q9 and the rest of the transistors on the fliptronics checked fine.

Thank you kindly for the help folks. We're back to flipping.

I've never been able to make either ramp as smoothly as I can now with the rebuilt flippers. STTNG is next, hate having my delta ramp shots come back and drain out the right.