Help and manual needed for old Williams Em slot model 5LW-16

[toddsvec]

This isn't a common machine, but I picked it up because it was very very clean and the price was right. I don't have a manual, that could help me immensely. After fixing a few typical issues, I've got one that has me stumped since I don't understand how it's logic is working. In a nutshell, Bells do not pay enough, and Oranges pay too much. It's pretty consistent, with Bells paying 15 instead of 20, and Oranges paying 1 or 2 extra. I'm still writing down errors, but I do not believe it is a hopper problem, i believe it's being told to pay out those amounts, just not sure where to look next.

[mantaramian]

I ran across this in a search for a Williams EM 5LW-16. I just picked one up for $75. The person that I bought it from said that the payout needed to be cleared cause the hopper just spins. So after I got this Bag Paper weight I was able to get the hopper to stop running.

Does anybody have any knowledge about this type of slot? It will accept quarters but the arm will not allow me to pull. After I drop the coin the machine will time out from the timer below.

Included are pictures of what I currently have

[mantaramian]

Here are 2 more

[mantaramian]

Another 2

[mantaramian]

And the last one of the Model and Serial Number plate