Pinball Repair - Adjusting a Strong Coil 

Dave adjusts the strength of a kicker that kicks the ball into the glass
0:00 Introduction
0:11 Testing, to defining the problem
0:57 Does "Up" hit the glass?
1:32 Test during game play
3:27 Analysis of tests
4:00 Stabilize ball in saucer, test if improved
5:37 Does it hit the glass?
6:07 Test coil strength, resistance reading
7:12 Analysing the resistance readings
8:36 Fixing a super-strong coil - replace it with correct coil!
9:20 Fixing a slightly-too-strong coil
11:00 Setup to the potentiometer
12:13 Finding the best setting for the potentiometer
13:05 Perfect balance achieved - demonstration
13:38 Reading the final resistance off the potentiometer
14:09 The final setup under the playfield
14:50 Further adjustments
15:06 Play Time!