Brunswick StringPin Service Manual page 118

PROBLEM
1.
Ball Accelerator
belt not centering.
1.
2.
3.
4.
5.
6.
Pinsetter operates
7.
erratically.
8.
9.
10. Faulty switch cluster cable.
11. Faulty ball lift cable, foul and
12. After above checked,
6-6
CAUSE
Front pulley not bolted
correctly or front yoke is loose
(parts incorrectly installed.)
Faulty switches.
Loose or faulty cables and
connections.
String length not adjusted
properly.
Damaged pinsetter parts.
Pin Motion Interface not
adjusted properly.
Switch adjustment faulty or
faulty assembly.
Photocell adjustment not
correct.
Faulty motor rotation.
Main power supply on too low
a voltage.
optical trigger cable.
electronics.
CORRECTIVE ACTION
1. Loosen bolts on yoke and operate accelerator.
Align both yoke halves until the belt runs true.
Tighten bolts.
1. Replace Switch.
2. Check all cables and connections.
3. Check pin string length and adjust properly.
4. Repair or replace parts.
5. Adjust Pin Motion Interface.
6. Check switch mountings. Check adjustments.
7. Adjust ball detect.
8. Determine proper rotation and adjust to proper
phase status.
9. Use proper line voltage.
10. Substitute spare cable (to check).
11. Check cables and repair or exchange.
12. Change the StringPin controller, CPU or H.V.
board(s).
Section 6: Troubleshooting