Ryobi RY08420 Operation Manual - Page 9

ASSEMBLY WARNING: If any parts are damaged or missing do not operate this product until the parts are replaced. Use of this product with damaged or missing parts could result in serious personal injury.  Assemble the connected lower tubes to the throttle control handle tube by aligning raised locking tabs on the throttle control handle tube with the raised locking slots on connected lower tubes by twisting to secure. NOTE: Check all locking connections after initial run to ensure they are tightly secured. WARNING: Do not attempt to modify this product or create accessories not recommended for use with this product. Any such alteration or modification is misuse and could result in a hazardous condition leading to possible serious personal injury. WARNING: To prevent accidental starting that could cause serious personal injury, always disconnect the engine spark plug wire from the spark plug when assembling parts. assembling the blower tubes See Figures 3 - 5.  Place a large tube clamp onto the outer slot of the upper (wider) end of the bellows.  Attach upper end of bellows onto blower housing by sliding it over the air outlet. The raised ridge closest to the air outlet should securely fit into the slot inside the bellows when the bellows is properly installed. Tighten the large tube clamp using the assembly tool.  Place a tube clamp on other end of bellows. Press bellows onto throttle control handle tube. Tighten small tube clamp using the assembly tool. NOTE: The position of the throttle control handle may be adjusted for comfort after the blower is strapped onto the operator's back.  Join the straight tube and nozzle together by aligning raised locking tabs on straight tube with the raised locking slots on nozzle and twist to secure. CAUTION: Make all adjustments to the harness straps before starting the blower to avoid the possibility of injury. ADJUSTING HARNESS See Figure 6. Straps should be adjusted to a comfortable position before starting the blower. To adjust harness strap assembly:  Blower should be in operating position before adjusting the harness straps. Slip arm through harness strap and onto shoulder, then repeat for the other shoulder.  Grasp the lower adjustment strap and tighten (pull down on strap) until the backpack blower rests comfortably against the small of the back.  Next, grasp the upper adjustment straps and tighten (pull down on strap) until the backpack blower fits comfortably on the shoulders.  Once the blower feels comfortable, secure the chest strap. ADJUSTING Throttle control handle See Figure 7.  Loosen locking screw by turning counterclockwise.  Move throttle control handle to desired position and secure locking screw by turning clockwise. 7 - English