TMS STRING PINSPOTTER OWNER’S MANUAL
400-051-010-01 Rev. Date: 7/17 Page 2-16
Procedure 2-5, Repairing Strings and Bushings
1. Regular inspection and maintenance will reduce tangles and related trouble calls and
extend the life of pins. Apply LOTO before opening covers with supplied tool (key).
Warning: High voltage is present in the pin detector circuit board assembly.
2. Use FUNCTION > Pins Down on the chassis controller to place a full set of pins on the pin
deck.
3. See LOTO procedure. Open the Main Power circuit breaker for that pinspotter located on
top of the control chassis. Remove power supply from chassis per LOTO.
4. Look for visual signs of wear on the strings and pin head bushings.
5. Any worn or frayed string should be repaired or replaced as illustrated in Figure 2-7.
Figure 2-7, Ten Pin String Repair
5. Insert a screw part way into the hole in the plug near the top of the pin and remove
the plug to access the string.
6. If replacing the pin head cap or bushing, cut the string above the damaged portion. If
not replacing the pin head cap or bushing, pull the damaged portion of the string
through the head of the pin and then cut the string.
7. Carefully melt the string tip using a match or cigarette lighter. Use a rotating motion
with a rag to create a point on the string.
8. Place the pin head cap and bushing, if necessary, onto the string and thread the string
through the head of the pin.
9. Place the plug (note its orientation in Figure 2-7) and a new washer onto the string.
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