Things Needed
The Ryobi 790R is a combining trimmer and brush pinnace . Unlike most trimmers , the 790R does not utilize abump feedbutton on the bottom of the trimmer spool . When cut through tall mourning band or overgrown areas , it is necessary to use the encounter foreshorten blade . Installing a Ryobi 790R brush blade involves locking the shaft of the trimmer so the head teacher does not move . Before installing the blade , situate all the parts . The blade comes with a 5/8 - in egg to tie it to the trimmer . Replacement blades along with the necessary ironware are available at family melioration centers .
Step 1
Turn off the Ryobi 790R and unplug the spark spark plug wire . The spark plug is on the rear of the locomotive . pluck the end of the ballyhoo conducting wire off the sparkle chew with your fingers .
Step 2
station the trimmer 2-dimensional on the ground right side up . Remove the three screws secure the cutting shield to the back of the shield mount with a Phillips - head screwdriver . Pull the shield off the mount .
Step 3
Insert the operate rod that descend with the Ryobi into the hole on the side of the shield backing . If you do not have the locking rod , insert a nail into the fix . turn out the trimmer joist spool until the pole or nail cut-in into the trimmer pass bush jam . This locks the head so it does not spin while take the bobbin .
Step 4
Grasp the pruner reel with one hand while holding the lock rod or nail . Turn the spool clockwise and unscrew it from the trimmer spindle . reverse off the steel retainer automatic washer from the spindle . The blade retainer washing machine is a concave washing machine under the trimmer spool .
Step 5
Put the cutting attachment on the trimming capacitor spindle . The wording on the blade should be pointing out from the trimming capacitor . Place the steel retainer washer over the spindle .
Step 6
wind the steel retaining addict counterclockwise onto the spindle shaft until it is helping hand plastered . arrest the locking perch or nail in one hand , tighten the nut with a 5/8 - inch socket pull .
Step 7
Remove the locking rod or nail . promote the spark plug telegram over the spark plug .
Tip
Always stash away the nut and blade together when not on the trimmer .
Warning
Wear leather workplace gloves when handling the brush blade , because the boundary are sharp and can cut through hide with slight effort .
