Williams Pat Hand - Where To Start? | EM Pinball Tech

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#1 6 years ago

OP

YES

SilverBallKid

Pinside+ Frequent

Warren, MI

10y 48,050 171 5

Hi Guys,

So, I picked up a Williams Pat Hand on Friday night. I paid $300 for it, mostly because it was in really good cosmetic shape for its age. I didn't get nearly this lucky with the other EM I have. Got it moved in Friday night and hit the sack without doing much. Then I had a huge day at work yesterday and there was no time to do anything with the new table. This morning I finally started to assess what I have on my hands. I knew when buying it that it didn't work correctly, but I think it's time to try to really learn the ins and outs of repairing one of these.

That being said, there is A LOT wrong with this game. Here's a list of the stuff I know about at this point:

*Ball Count Stepper does not advance.
*Previous owner told me that the Player Count Stepper does not work. I can't be sure because I can't get it to advance a ball to get to that point in the operation sequence.
*Bonus does not score when ball drains. Stepper steps back down but no scores are rang up.
*Flippers are really bad. I mean REALLY bad.
*1,000 point chime does not work.
*Bonus unit does not advance through the steps. Meaning that when all five rollovers on the pf are tripped, bonus does not cycle through the different awards (double bonus, pops lit, special).

I'm sure there's more that I am going to come across, but that gives you an idea.

Look, swapping out light sockets and rebuilding flippers are a breeze and I'm not worried about them. I've done these things before and I can do them without worrying. I have taken stepper units apart, cleaned them and put them back together again. Same with score reels. I guess what I am wondering as I start the process of getting this machine to work is:

For those of you who work on EMs a lot, when you get one like this and there are so many issues, how do you attack the problems? Do you just pick an issue and get after it or do you follow a sequence? I'm just curious to hear what you guys think.

Cheers,

Tim in Motown

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#2 6 years ago

FUN

fredsmythson

Inactive member

Austin, TX

8y 55,650 1,189 33

A good way to approach a machine with multiple problems is to work on one problem at a time. And I'll work on the easiest problem first. So, in this case I would start troubleshooting the issue with the 1000 point chime. Sometimes when you fix one problem, it will also fix other problems with the machine. And using a schematic will make all the repairs go a lot faster...

http://mirror2.ipdb.org/files/1767/Williams_1975_Pat_Hand_Schematic_Diagram_continuous.pdf

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#3 6 years ago

???

Sonora70

Pinside member

Elizabethtown, KY

9y 45,550 664 22

The first things I do before I plug the game in the first time is:

Manually operate all stepper units, including score reels. (sounds like this could take care of many of your problems)

Check fuses.

I visually inspect all coils. I look for any that are burned up....for example if the 100 pt relay coil is burned up, that tells me there is probably a switch on the playfield that is stuck.

I'll also take a look at switches as I go. Manually push the relays to see that they are free and appear to work properly.

Then, I plug the game in and turn it on and work from there. In my opinion, these steps will take care of many/most of the problems. At this point you can start narrowing down specific issues.

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3

#4 6 years ago

OP

YES

SilverBallKid

Pinside+ Frequent

Warren, MI

10y 48,050 171 5

Thanks guys, for your input. Following your advice, I just spent from Sunday to today on my free time cleaning and adjusting.

Sure enough, once I had torn the player stepper unit apart, cleaned it, put it back together and adjusted the switches and springs on it, most of the game worked correctly. It is now just a matter of dialing in a few more trouble spots, rebuilding the flippers and then seeing where I am at with fine tuning from that point. If I have any specific issues once I get to there, I will post for help if needed.

Thanks, as always! Tonight I will tear down the pf and give it a good cleaning with naptha and then hit it with wax. For whatever reason, this is something I never get sick of doing. I love seeing the difference once the pf is cleaned and waxed.

Thanks again!

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#6 6 years ago

???

Cucucurry

Inactive member

Sanford, FL

6y 6,900 2 1

Hey guys, completely new to all things pinball....my uncle gave me a 1975 pat hand pinball machine...when I plugged it in everything seemed fine, played the first ball, since that happened all i get is this...what do I do? Again I am rookie but love taking things apart qnd putting them back together...if there is any way to pm me please do as I just subscribed and cannot add my link to the video i have otherwise I will just have to wait 48 hrs beforeI can add a link to my google drive...thanks in advance

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#7 6 years ago

???

Cucucurry

Inactive member

Sanford, FL

6y 6,900 2 1

I have a pat hand machine plugged it in played the first ball...then it won't reset the ball...i get nothing but a clack clack clack...clack clack clack...i have a video but cannot put a link as I just subscribed...Iam a complete newbie and have no idea of what to do...maybe pm me and i can aend the link? Thanks in advance for your help!

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#8 6 years ago

RM

rolf_martin_062

Inactive member

Aarau

9y 59,550 4,150 14 8

Hi Cucucurry
welcome to pinside. Taking apart stuff - cleaning contact-points - and put together is good --- chances are "stuff does not work anymore as (by putting together) You may have bent an switchblade". Thats the reason why I do many tests so then I can say: "HERE is the fault - HERE I must do some work".

In post-7 You write "won't reset the ball" - what does this means ?
Great - ipdb has the manual and the schematics - may want to download / copy (?). I refer to http://mirror2.ipdb.org/files/1767/Williams_1975_Pat_Hand_Instruction_Manual.pdf page-15 (ori-13) --- Mech. Panel is the bottom of the cabinet - Insert is in the Backbox - Playfield is playfield, Cabinet is side-wall or back-wall of the cabinet - Front Door is front door.
When You play a ball is played and You made some bonus (visible on the bonus-ladder on the playfield) and then You loose the ball: The Ball-Index-Relay must constantly pull - the Bonus-Relay must pull-in - stay pulling and the Bonus-Unit must step down. When the pin is doing nothing: (Be careful to not touch solder-lugs, electricity) Gently press the armature / anchor-plate of the Bonus-Relay - You manually make it to activate --- what happens ? Greetings Rolf

Williams Pat Hand - Where To Start?

By SilverBallKid

6 years ago

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