The generator armature pulley taper was changed in April 1930. Therefore, Oct. 1928 till April 1930 used 1/4-28 x 7/16 bolt on a 7/8" tapered pulley. In April 1930 till end the pulley taper was changed to 1/2" and used a 5/16-24 x 1/2 bolt to hold the pulley in place. See page 448 of Service Bulletin.
SKU
15440
WEIGHT
0.032
YEAR(S)
1930-1931
DROP SHIPPED
No
ADDTIONAL HANDLING FEE
No
WARNING:
Cancer and Reproductive Harm
www.P65Warnings.ca.gov