Pinsetter Drive Motor; Motor Pulley; Motor Pulley Removal; Motor Pulley Installation - Brunswick StringPin Service Manual

7. At the pin end of the new string, thread the string through the head of the pin and tie a knot in
the end of the string. Leave approximately 1/2" (13 mm) of string extending beyond the end of
the knot. Refer to Figure 5-1.
8. Pull the string back through the pin until the knot bottoms out in the pin. Refer to Figure 5-1.
9. Wind the extra string onto the spool by rotating the spool as arrow (3) shows in Figure 5-3.
10. Adjust the spring tension for each new string, following the String Tension Adjustment.
MOTOR REPLACEMENT

Pinsetter Drive Motor

Motor Pulley

The single pulley used on drive motor can be used with both 50 and 60 cycle (Hz) power. For 60Hz
operation use the smaller pulley, for 50Hz operation use the larger pulley.
60 Hz
Figure 5-4. Motor Pulley
(1) MOTOR PULLEY

Motor Pulley Removal

1. Loosen the pulley's set screw with a 3 mm Allen wrench (hex key).
2. Use a gear puller to slide the pulley off the shaft. Save the key for use during installation.

Motor Pulley Installation

1. Make certain the key is properly seated in the motor shaft.
2. Place the pulley on the shaft with the desired orientation. Tap the pulley onto the shaft with a
soft faced hammer.
3. Align the pulley so that the "V" belt will ride in the center of the motor pulley and the large
drive pulley.
4. Tighten the set screw to prevent the motor pulley from moving out of position.
5-4
(1)
MOTOR
PULLEY
(2)
MOTOR
V-BELT
(2) MOTOR V-BELT
50 Hz
MOTOR
V-BELT
Section 5: Maintenance & Service
(1)
MOTOR
PULLEY
(2)