Confirm the turn on the motor is within the ahead (clockwise) position. On a lot of equipment, the switch would not stay in the reverse placement; You will need to hold it there for making the spool go in reverse. Some properties do not have a sewer cleanout, or maybe https://lorenzo2jvfp.amoblog.com/how-to-clean-sewage-in-unaizah-an-overview-53031646