Make sure you are accessing this file directly from www.steam-brite.comIt seems you are trying to get it from https://steam-brite.com/literature/schematics/index.php?dir=Power%20Clean/&file=TX1810S17-General%20Pump%20for%20Liberty.pdf
Your IP address has been logged.
3.144.161.116 (ec2-3-144-161-116.us-east-2.compute.amazonaws.com)
Here is a link to the directory index the file is in:
http://www.steam-brite.com/literature/schematics/index.php?dir=Power%20Clean/