| j37c_owners_manual.pdf |
This next is a good article on sealing chainplates
| chainplates.pdf |
Following is an autocad drawing of chainplates for a J/37c you can use to do the repair in the previous article.
| chain_plate_drawing_j-37c.dwg |
| j-37_polar_table.pdf |
Next is a drawing of the extrusion Hall uses for the mast on J/37's
| hall_spars_205_section.pdf |