• Fill the bottle with the requiredamount of herbicide (up to200ml)• Take care to avoid spillagesduring filling. Follow localemergency procedures should aspillage occur• With the bottle on a suitablesurface, hold the Stem Masterupside down and insert the airbreather tube into the bottle• Firmly hold the Stem Master andthe bottle. Turn the bottle in ananti-clockwise direction totighten.checking for leaksHold the Stem Master in an uprightposition and check carefully for anyleaks around the bottle, trigger andair intake hole.If a leak is found:Bottle – tighten the bottle/capAir intake hole – remove the bottle,decant the herbicide and contactNomix Envirotrigger – contact Nomix EnviroPrimingIt is important to prime the StemMaster before use.Point the needle into a containerand squeeze the trigger betweentwo and four times, until fluidemerges from the needle and all airis expelled from the unit.Please Note: When the StemMaster is held in the correctposition, the herbicide deliveryaperture is located on theunderside of the needle.7