5-10.4 Replace Paper Disk.
MOS: 81Q, Terrain Analyst
General Purpose Glue (Item 3, Appendix E)
Alcohol (Item 4, Appendix E)
Loosen thumbscrew on side of encoder housing. Slide encoder housing off
Turn thumbscrew to move mounting assembly away from paper disk.
Pry up old paper disks with knife and remove.
Remove any remaining glue with alcohol and a brush.
Spread three or four drops of general purpose glue along edge of paper
Reinstall new disk on planimeter surface. Press down firmly.
Trim excess paper from edges with knife. Remove any excess glue from
Slide encoder housing onto mounting bar. Tighten thumbscrew.