8 speed transmission rebuild

[Jamie Darian Brown 9]

Hey everyone.

Working on getting the wheelhorse b80 back together. I had to put a shifting fork in for the hi lo which was broke. The links to rebuild pics and Mike with parts was a huge help. The rebuild pics and links step by step show me how to put it back together. This forum is great! I have run into a minor problem putting stuff back together. I see in the rebuild pics that I can use a punch or screw driver to put in the spring, pin and two balls in the shifting mechanism (not the high lo, the other gears). You put punch in from side of tranny case to hold the ball in place until you get the shift fork to slide and snap into the spring/ball........... However, the hole or dentent on the side of my tranny it blocked? The hole is there but about a quarter inch in there is metal and it's blocked? Do I drill this out? Is it something to be pushed out? i had considered just trying to get balls in without using this method, but it seems impossible to do without using the punch or screwdriver as shown in pic. Thanks for all the help, Jamie