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Author Topic: The last machine arrived at home, Bally 873 5-line, now clean & repair it.  (Read 86134 times)

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Offline OldReno

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Re: The last machine arrived at home, Bally 873 5-line, now clean it.
« Reply #40 on: September 02, 2015, 01:32:23 PM »
If you look on the bearing hub, you will notice a little hole.  this is for you to oil the needle bearings when you do intermittent lubes.  also you may have a set screw on the hub, (another hole) which is a sort of clutch.  However it is not important that it is there.
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Offline Nurbo

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Re: The last machine arrived at home, Bally 873 5-line
« Reply #41 on: September 02, 2015, 09:41:54 PM »
Great pictures!  That cleaning stuff you use is magic.  What are you going to use to lubricate the needle bearings?


Ra


Hello,

I use the multi-purpose oil. It is very liquid.
I put only one small drop in the needle bearings.

IGT S2000 - Super Spin Sizzling 7
Bally - 742 TicTacToe / 809 Multiplier / 873 5-line / Alpha S9000 / S6000 Dragon Wheel

Offline RiseLikeRa

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Re: The last machine arrived at home, Bally 873 5-line, now clean it.
« Reply #42 on: September 03, 2015, 01:13:09 AM »
Thanks to both of you.  I think that my Medalist may need a lube job.


Ra

Offline Nurbo

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Re: The last machine arrived at home, Bally 873 5-line, now clean it.
« Reply #43 on: September 03, 2015, 01:27:15 PM »
Hello,


Finally I soak the disc into gasoline F to dissolve the entire grease.




The bearing hub will also soak in a pot filled with gasoline F.




The reels are also cleaned fully. Before ...




After…




Here it is, all is clean. The 3 rollers, bearings hub, stop reel index, the screws. The last thing I have to do is to clean the reel strips.




To clean the strips I do a test with a paper towel dampened with any window cleaning liquid. Anyway I did not have much to lose given the state. But finally no problem, they are washable unlike some strips on modern machines like S2000 for example.







Bye
IGT S2000 - Super Spin Sizzling 7
Bally - 742 TicTacToe / 809 Multiplier / 873 5-line / Alpha S9000 / S6000 Dragon Wheel

Offline RiseLikeRa

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Re: The last machine arrived at home, Bally 873 5-line, now clean it.
« Reply #44 on: September 03, 2015, 08:53:27 PM »
The results are simply beautiful!!!!


Ra

Offline Nurbo

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Re: The last machine arrived at home, Bally 873 5-line, now clean it.
« Reply #45 on: September 04, 2015, 02:36:09 PM »
Hello,


Last week I received the defective coils.




To change the coils it is not very complicated, there is just the screw below to unscrew.




After identifying the connections, I can desolder the coil.




Both coils (G-31-1800 type) are now changed. They were kind solenoid coils.




Here is the « reset » coil, it is a C28-1100.




Once the defective coil removed, we can see that the sleeve is made of aluminum, not plastic like the newest pinball.




The new coil is set up.




And here are the 3 coil Out of order.
Regarding the right one there is no doubt, according to the insideof  the plastic state that is distorted.
With both on the left, OldReno told me how to test them, because sometimes the coils are black, but they are still working.

IGT S2000 - Super Spin Sizzling 7
Bally - 742 TicTacToe / 809 Multiplier / 873 5-line / Alpha S9000 / S6000 Dragon Wheel

Offline RiseLikeRa

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Re: The last machine arrived at home, Bally 873 5-line, now clean it.
« Reply #46 on: September 05, 2015, 01:37:09 AM »
I ALWAYS follow advice from Reno.


Ra

Offline OldReno

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Re: The last machine arrived at home, Bally 873 5-line, now clean & repair it.
« Reply #47 on: September 05, 2015, 10:20:03 AM »
A note on needle bearings...it certainly cannot hurt at all to put a little bit of light grease on the bearings before you install the hub back onto the shaft.  You can use either a small brush or a Q-tip to mooosh it around.  I think it helps keep the oil in place, and you will find it helps dampen the sound of the bearings...
Thank you.
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Offline Nurbo

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Re: The last machine arrived at home, Bally 873 5-line, now clean it.
« Reply #48 on: September 05, 2015, 11:58:44 AM »
I ALWAYS follow advice from Reno.


Ra


OOhhhhhhh yes....I understood !!!  :yes:
IGT S2000 - Super Spin Sizzling 7
Bally - 742 TicTacToe / 809 Multiplier / 873 5-line / Alpha S9000 / S6000 Dragon Wheel

Offline Nurbo

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Re: The last machine arrived at home, Bally 873 5-line, now clean & repair it.
« Reply #49 on: September 05, 2015, 12:03:50 PM »
Hello OldReno,





Thank you for the tip, :cool_thumb_up:

I'll try. It is true that the bearings are a bit noisy.


Maybe it's because I've put only a little bit of oil.
IGT S2000 - Super Spin Sizzling 7
Bally - 742 TicTacToe / 809 Multiplier / 873 5-line / Alpha S9000 / S6000 Dragon Wheel

Offline Nurbo

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Re: The last machine arrived at home, Bally 873 5-line, now clean & repair it.
« Reply #50 on: September 28, 2015, 11:46:48 AM »
Hello,


All the mechanics of the reels assembly is now cleaned, dried and ready for use.
I will have to oil and grease the moving parts before the final restart, but I will do it later so that I will avoid having grease or oil during adjustments and manipulations.




I will also try to restore the two counters at the bottom left. Keep in mind that the wire are cut and insulated with electrical tape.




I still have to clean the 3 coils switch at right of the reels assembly. These switches are all marked BAR. I still have to know precisely the utility and operation of these switches.




All the switches have been cleaned. These are well known to lovers of Bally slot machine. There is a lot of failure due to these switches because they control the first phase of play.



The wires have been welded. I'll leave it like this but I will add plastic wire end cable.



Nurbo
IGT S2000 - Super Spin Sizzling 7
Bally - 742 TicTacToe / 809 Multiplier / 873 5-line / Alpha S9000 / S6000 Dragon Wheel

Offline Jon

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Re: The last machine arrived at home, Bally 873 5-line, now clean & repair it.
« Reply #51 on: September 28, 2015, 12:02:24 PM »
looking really nice

Offline Nurbo

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Re: The last machine arrived at home, Bally 873 5-line, now clean & repair it.
« Reply #52 on: September 29, 2015, 11:44:37 AM »
Hello,



So far I had not had any particular difficulties during the restoration of this machine.

This time it may be more difficult with the hopper. It receives inserted coins, it proceeds to the distribution of a gain, but it also serves to put the machine in standby position, ready to play with the payout relay.

After hours to clean and rehabilitate these units, I could not resist ,and I plugged the machine ...... no better than the first time. Just the line one lighted on the top glass and reel glass.

But this time I take my little electric shock ... so, I stop testing at that time.

But in fact, what is a hopper ?

On the right we can find the scoop assembly  that contains coins or tokens. On the left,  behind the plate, we can find the counting unit, and behind the scoop assembly at right, the reduction motor.




Below, the arm with the ball serve as a level sensor coins, the more coins, the more the arm rises, until it actuates a switch which will deflect the coins under the machine (in casinos ).

The disc with the spikes has a specific diameter  wich depends on the coins used. The smaller is the coin, the larger will be the disk, and conversely, the larger is the coin, the smaller will be the disc. The coins come to rest on this disc, we can besides clearly distinguishe the  shape of coins, and the little pins  push the coins to the exit.




On the other side, we can find the contact plate with wiper.
It is this set that will count in the hopper and distribute the number of coins won.
I did not notice immediately "defects" of this part of the hopper.


Top circled in red, there is a track that is missing on 1 cm, but from what I understand, there is no contact who will spend it, and a simple strap can fix it.
There was also a problem with the zero switch circled in blue. During my tests it was in the closed position, while its basic position (pending token) is opened.




The lower blades are shifted. The reason is simple, a fixing screw is missing. I'm me insight by analyzing the operation of the hopper.
In short, there was no chance that the machine starts token standby position.


 :wave:

Nurbo
IGT S2000 - Super Spin Sizzling 7
Bally - 742 TicTacToe / 809 Multiplier / 873 5-line / Alpha S9000 / S6000 Dragon Wheel

Offline Nurbo

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Re: The last machine arrived at home, Bally 873 5-line, now clean & repair it.
« Reply #53 on: October 29, 2015, 12:42:33 PM »
Hello,




Another broken down that I had not seen right away, there was a leg of the capacitor that was unsoldered.

 


The step-up coil on the right is burned. The wire have partially melted.

 


The wire from left has really suffered ...

 


Luckily the ratchet wheel did not suffer from the heat.

 


Once removed, we can see the trace of burns.

 


There have also been other damage to the wire of this switch. I will also have to change the capacitor, resistor and diode.

 


That's where I stopped on the hopper.
A coil to change,  redo a track, with the capacitor assembly to control.
Next step, check the output coins and adapt it if necessary.


 :wave: :wave:
IGT S2000 - Super Spin Sizzling 7
Bally - 742 TicTacToe / 809 Multiplier / 873 5-line / Alpha S9000 / S6000 Dragon Wheel

Offline Nurbo

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Re: The last machine arrived at home, Bally 873 5-line, now clean & repair it.
« Reply #54 on: October 31, 2015, 02:12:41 AM »
Hello,




The new task on this machine is to switch it to € 0.20 coins. When I had it, it was delivered with thirty chips, so not enough to have fun with it.


Whether the disc of the hopper or the knife, both are for 25 cents US.

First thing to do, but I did not take any photo, is to modify the mechanical coin.

Let's start on the hopper.



The tokens arrive on the disc from the right. For the tokens to be able to pass, the # 1 plate must retract, it is operated via a coil.
Then the token continues its path to be counted via the pulleys # 2, it is also operated by a coil.
The token passes over the knife # 3 and along the plate # 4 which leads to the tray where the tokens are taken back

 


Here is another view of the plate # 1. When paying, it rotates clockwise on its axis (blue arrow).
It is possible to do without this plate, it was only used in casinos to avoid one or two coins to be paid in addition to the inertia of the disc

 


When paying, the coil is activated, the metal rod enters the coil which make the plate rotate. To test them, I maintain the coil in a state "on", the plate returns and allows the passage of coins.

 


The coins arrive on the knife #3, then under the counting pulley #2.

 


However, there is a problem with the plate # 4, it looks "too thick" and coins abut above (red arrow), which causes what is called a "hard point", potentially harmful for the duration of hopper lifer (gears + motor).

 


I checked and the plate matches the Bally nomenclature for 25 cents. I suppose that over the years, and transportation, mechanics has been shaken, and this part of the hopper may have been distorted.
The repair will be easy, Dremel + abrasive disc. I go little by little, until the plate comes well flush to the disk. It's not too "destructive" for the machine and it works fine at lower costs!




Bye  :wave:
IGT S2000 - Super Spin Sizzling 7
Bally - 742 TicTacToe / 809 Multiplier / 873 5-line / Alpha S9000 / S6000 Dragon Wheel

Offline pl_donnelly

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Re: The last machine arrived at home, Bally 873 5-line, now clean & repair it.
« Reply #55 on: December 07, 2015, 06:55:21 AM »
Hi,


This is a great thread and I am following with interest. I am currently restoring a Bally 742 using a donor machine Bally 873. I too would like to convert to €0.20 but have found the mech very difficult to transform ?? I have a 2p and a UK 5p mech and the 5p is the newer one I am working on, if you have any update it would be very grateful.


Likewise I will add pictures of my progress. Great work.


Cheers

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Re: The last machine arrived at home, Bally 873 5-line, now clean & repair it.
« Reply #56 on: December 08, 2015, 02:25:45 AM »
Hello Pl_donnelly,


Thank you for the post ! :cool_thumb_up:


And you have a personal message   :mail:
IGT S2000 - Super Spin Sizzling 7
Bally - 742 TicTacToe / 809 Multiplier / 873 5-line / Alpha S9000 / S6000 Dragon Wheel

Offline Nurbo

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Re: The last machine arrived at home, Bally 873 5-line, now clean & repair it.
« Reply #57 on: December 13, 2015, 08:53:52 AM »
Hello,


Short break on the hooper while waiting for the B-25-925a coil that will have to be replaced.

I am now working on the door. There are many things to do , with first, cleaning the exterior chrome, cleaning the interior grime, cleaning the glass, examining the coils aspects, checking the lighting and especially fluorescent tubes.


For that, the easiest way is to remove the door. Very simple, each hinge is held by two nuts.




Everything is much more accessible doing so.




A few photos
























Here, there is a bit of work ahead!


Bye !
IGT S2000 - Super Spin Sizzling 7
Bally - 742 TicTacToe / 809 Multiplier / 873 5-line / Alpha S9000 / S6000 Dragon Wheel

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Re: The last machine arrived at home, Bally 873 5-line, now clean & repair it.
« Reply #58 on: December 15, 2015, 02:04:22 PM »
Hello,


Fluorescent tubes for Bally electromechanical slot machine are tubes of 288mm F8T5 / CW, 1 tube in the topper and two tubes behind the belly glass.

The small tube of the reel glass, is a F6T5/CW, 225 mm lenght.




As often on this machines, the connector and more particularly  the pine that coresponds to the 6V lighting is often burnt. Just a plastic color change, no damage at this time.




Looking more closely at the lock coil, I realized that the small spring was gone. With little chance it will fall into the interstices of the door ... If I can not find it, I'll have to order one.




I ‘ve had a 809 for over 2 years and it made me discover another thing , located as shown on the green circles below :




There is a lighting of the coin tray. I had never seen it before because the bulbs are grilled on both of my machines.
The light from the bulb passes through a small Plexiglas square. The bulbs are # 63.




On the left the  dirty one, on the right one the same once cleaned, it will shine !!!



 :wave: :wave:
IGT S2000 - Super Spin Sizzling 7
Bally - 742 TicTacToe / 809 Multiplier / 873 5-line / Alpha S9000 / S6000 Dragon Wheel

Offline Nurbo

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Hello,


The cleaning of the door is going on.


This plate covers the exit of parts. The slit comes into contact the outlet of the hopper when the door is closed, and upon ejection, the pieces follow the path of the arrows.




The coin diverter with his dust..




After removing a dozen screws, half of the door components are disassembled. Finally it is much simpler than I thought. Everything is connected by electric harness.




The reel glass reflects years of nicotine and dust.




The chrome facade is removed. We can see the path that brings the coins to the coins mechanism and the system for the "return money" if coins are blocked.




The chrome is removed from the bottom part and allows removal of the glass.




It also allows access to the support plate of the bottom of the tubes holder.




The window bottom is not made of glass but Plexiglas. I do not know if it's an original part or if it is a copy.




Plexi glass or glass, no matter, dirt is everywhere.




Bye !  :wave:
IGT S2000 - Super Spin Sizzling 7
Bally - 742 TicTacToe / 809 Multiplier / 873 5-line / Alpha S9000 / S6000 Dragon Wheel

 

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