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My sg 20 stihl backpack sprayer is loosing pressure

Discussion in 'Pesticide & Herbicide Application' started by spray_man, Jan 10, 2013.

  1. spray_man

    spray_man LawnSite Member
    Messages: 176

    Happy new year guys. About 2 months after I bought my sprayer it started lousing pressure. I have to pump like a mad man to get through one job. Initially the sprayer was like a dream, and pressure was not a problem. Any body have an idea where to look? I looked at the take-up pipe and check valve for clogging. I hear no bubbling, or can feel no sudden loss of pressure. I know I can take it back to the dealer and get it fixed, but I don't want to give it up for a couple of days.

    CHARLES CUE LawnSite Silver Member
    Messages: 2,411

    I have 2 of these

    There are 2 check balls the presure is built up in the little tank on on the side

    I would pump up the tank and use a mixure of dish soap and water to check for leaks on the small tank and hose

    Charles Cue

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