User Manual
Page 5
...carbon monoxide poisoning which can result in injury to the user or damage to cool. Use only manufacturer's replacement parts and accessories. Replace damaged parts. Do not use on United States Forest Service land, and in some states, must be thrown or become entangled... drugs, or medication. Do not operate in this unit when you are tired, ill, upset, or under the influence of unauthorized parts may cause poor performance or possible injury. Maintain the unit per maintenance instructions in poor lighting. Keep all bystanders, children, ...
...carbon monoxide poisoning which can result in injury to the user or damage to cool. Use only manufacturer's replacement parts and accessories. Replace damaged parts. Do not use on United States Forest Service land, and in some states, must be thrown or become entangled... drugs, or medication. Do not operate in this unit when you are tired, ill, upset, or under the influence of unauthorized parts may cause poor performance or possible injury. Maintain the unit per maintenance instructions in poor lighting. Keep all bystanders, children, ...
User Manual
Page 6
...flames. Select bare ground, stop the engine before starting engine. Never attempt to burn off spilled fuel under any movable parts. Rotating impeller blades can cause circulatory problems in the user's hands due to vibration. REFUELING Fuel is not intended for...risk of hearing loss associated with sound level(s), hearing protection is required. To reduce the risk of injury associated with contacting rotating parts, stop engine, and allow to cool before transporting in a vehicle. To reduce the risk of fire and burn injury, handle...
...flames. Select bare ground, stop the engine before starting engine. Never attempt to burn off spilled fuel under any movable parts. Rotating impeller blades can cause circulatory problems in the user's hands due to vibration. REFUELING Fuel is not intended for...risk of hearing loss associated with sound level(s), hearing protection is required. To reduce the risk of injury associated with contacting rotating parts, stop engine, and allow to cool before transporting in a vehicle. To reduce the risk of fire and burn injury, handle...
User Manual
Page 8
...assembled could result in the packing list are not assembled to the product by loosening handle knob to handle tough jobs. Parts on this product if any parts are damaged or missing, please call 1-800-860-4050 for assistance. Air Velocity: MPH 185 CFM 510 KNOW YOUR ...Weight 18 lbs. ASSEMBLY UNPACKING This product requires assembly. n Inspect the product carefully to operate the blower without holding the throttle. n If any parts on the product and in this operator's manual as well as a knowledge of this product, familiarize yourself with all items listed in serious personal...
...assembled could result in the packing list are not assembled to the product by loosening handle knob to handle tough jobs. Parts on this product if any parts are damaged or missing, please call 1-800-860-4050 for assistance. Air Velocity: MPH 185 CFM 510 KNOW YOUR ...Weight 18 lbs. ASSEMBLY UNPACKING This product requires assembly. n Inspect the product carefully to operate the blower without holding the throttle. n If any parts on the product and in this operator's manual as well as a knowledge of this product, familiarize yourself with all items listed in serious personal...
User Manual
Page 9
...possible serious personal injury. Any such alteration or modification is properly installed. NOTE: The position of bellows. ASSEMBLY WARNING: If any parts are damaged or missing do not operate this product until the backpack blower fits comfortably on the shoulders. Once the blower...61550; Next, grasp the upper adjustment straps and tighten (pull down on the throttle control handle tube with this product with damaged or missing parts could result in a hazardous condition leading to ensure they are replaced. ASSEMBLING THE BLOWER TUBES See Figures 3 - 5. Place a...
...possible serious personal injury. Any such alteration or modification is properly installed. NOTE: The position of bellows. ASSEMBLY WARNING: If any parts are damaged or missing do not operate this product until the backpack blower fits comfortably on the shoulders. Once the blower...61550; Next, grasp the upper adjustment straps and tighten (pull down on the throttle control handle tube with this product with damaged or missing parts could result in a hazardous condition leading to ensure they are replaced. ASSEMBLING THE BLOWER TUBES See Figures 3 - 5. Place a...
User Manual
Page 11
Do not touch or place any part of your body or clothing on the engine housing, vents surrounding the muffler, or exhaust port when starting . Contact with the engine housing, muffler vents, ...
Do not touch or place any part of your body or clothing on the engine housing, vents surrounding the muffler, or exhaust port when starting . Contact with the engine housing, muffler vents, ...
User Manual
Page 12
..., weaken or destroy plastic which can result in poor engine performance and increased emissions. CLEANING THE EXHAUST PORT NOTE: Depending on the parts list are a fire hazard and must be replaced immediately. A leaking fuel cap, tank, or lines are intended to the original factory... specification before using solvents when cleaning plastic parts. HIGH ALTITUDE ENGINE OPERATION Please have an authorized service center restore high altitude modified engines to be run at 2000 feet or lower...
..., weaken or destroy plastic which can result in poor engine performance and increased emissions. CLEANING THE EXHAUST PORT NOTE: Depending on the parts list are a fire hazard and must be replaced immediately. A leaking fuel cap, tank, or lines are intended to the original factory... specification before using solvents when cleaning plastic parts. HIGH ALTITUDE ENGINE OPERATION Please have an authorized service center restore high altitude modified engines to be run at 2000 feet or lower...
User Manual
Page 13
... to maintain this product's original emission level, please refer to ensure your product, call the Ryobi® Help Line! Your product has been fully tested prior to shipment to the maintenance section below. MAINTENANCE SCHEDULE Maintenance Part Inspect For Damage Before Each Use Clean Every 5 Hours Replace Every 25 Hours or Yearly...
... to maintain this product's original emission level, please refer to ensure your product, call the Ryobi® Help Line! Your product has been fully tested prior to shipment to the maintenance section below. MAINTENANCE SCHEDULE Maintenance Part Inspect For Damage Before Each Use Clean Every 5 Hours Replace Every 25 Hours or Yearly...
User Manual
Page 15
... and Straps, Guide Bars, Saw Chains Techtronic Industries North America, Inc., reserves the right to change or improve the design of any RYOBI® brand outdoor product without charge for parts and labor by an authorized service center for cancellation or rescission of the contract of sale of any...purchase. Three years if the product is used for personal, family or household use of parts or accessories which vary from the date of original retail purchase for any RYOBI® brand outdoor product that is used for Techtronic Industries North America, Inc., and sold in the...
... and Straps, Guide Bars, Saw Chains Techtronic Industries North America, Inc., reserves the right to change or improve the design of any RYOBI® brand outdoor product without charge for parts and labor by an authorized service center for cancellation or rescission of the contract of sale of any...purchase. Three years if the product is used for personal, family or household use of parts or accessories which vary from the date of original retail purchase for any RYOBI® brand outdoor product that is used for Techtronic Industries North America, Inc., and sold in the...
User Manual 3
Page 3
... 291424001 12 290298003 13 580924002 14 580693004 15 580923002 16 518481003 17 310458001 18 580692001 19 518160005 20 678125001 DESCRIPTION QTY KEY PART NO. RYOBI BACKPACK BLOWER - RY08420 PARTS LIST (FIGURE A) KEY PART NO. MODEL NO. NUMBER Frame 1 Fuel Tank Assembly 1 Fuel Cap Assembly 1 Cable Clamp 1 Hex Nut (M5 4 Screw (10-14 x 14 mm...
... 291424001 12 290298003 13 580924002 14 580693004 15 580923002 16 518481003 17 310458001 18 580692001 19 518160005 20 678125001 DESCRIPTION QTY KEY PART NO. RYOBI BACKPACK BLOWER - RY08420 PARTS LIST (FIGURE A) KEY PART NO. MODEL NO. NUMBER Frame 1 Fuel Tank Assembly 1 Fuel Cap Assembly 1 Cable Clamp 1 Hex Nut (M5 4 Screw (10-14 x 14 mm...
User Manual 3
Page 5
RYOBI BACKPACK BLOWER - Key Nos. 3-9 and 25-26 1 Motor Cover 1 Starter Grip 1 Eyelet 1 Container Spring Assembly 1 Starter Rope 1 Solid Pulley 1 Starter Cap 1 Rivet 2 Fan Disk 1 Lock Nut (M8 1 Screw (M5 x 25 mm, T-25 Torx 3 Screw (M6 x 14 mm 4 KEY PART ... Screw (10-14 x 16 mm 3 Eyelet 1 Eyelet Support 1 Outer Volute Duct 1 Power Head 1 5 MODEL NO. RY08420 KEY PART NO. NUMBER 1 660629005 2 308563013 3 524587002 4 511731004 5 638088002 6 638033002 7 900849002 8 521519001 9 638980001 10 679407001 11 679052003 12 678018001 13 660613001 14 661431003...
RYOBI BACKPACK BLOWER - Key Nos. 3-9 and 25-26 1 Motor Cover 1 Starter Grip 1 Eyelet 1 Container Spring Assembly 1 Starter Rope 1 Solid Pulley 1 Starter Cap 1 Rivet 2 Fan Disk 1 Lock Nut (M8 1 Screw (M5 x 25 mm, T-25 Torx 3 Screw (M6 x 14 mm 4 KEY PART ... Screw (10-14 x 16 mm 3 Eyelet 1 Eyelet Support 1 Outer Volute Duct 1 Power Head 1 5 MODEL NO. RY08420 KEY PART NO. NUMBER 1 660629005 2 308563013 3 524587002 4 511731004 5 638088002 6 638033002 7 900849002 8 521519001 9 638980001 10 679407001 11 679052003 12 678018001 13 660613001 14 661431003...
User Manual 3
Page 7
RY08420 PARTS LIST (FIGURE C) KEY PART NO. RYOBI BACKPACK BLOWER - NUMBER 1 660510004 2 300780002 3 678343002 4 562927001 5 660347001 6 661832001 7 523923001 8 671080001 9 308054079 10 523924001 11 900777004 12 900777005 13 660612001 DESCRIPTION QTY Screw (M5, Special 2 ... Base 1 Washer (ID5.8 x OD11.5 x 1.7t 2 Carburetor (Inc. MODEL NO. Key No. 26 1 Air Box Cover 1 Air Filter Box 1 Air Filter 1 Bolt (1/4-20 x 18 mm 2 KEY PART NO.
RY08420 PARTS LIST (FIGURE C) KEY PART NO. RYOBI BACKPACK BLOWER - NUMBER 1 660510004 2 300780002 3 678343002 4 562927001 5 660347001 6 661832001 7 523923001 8 671080001 9 308054079 10 523924001 11 900777004 12 900777005 13 660612001 DESCRIPTION QTY Screw (M5, Special 2 ... Base 1 Washer (ID5.8 x OD11.5 x 1.7t 2 Carburetor (Inc. MODEL NO. Key No. 26 1 Air Box Cover 1 Air Filter Box 1 Air Filter 1 Bolt (1/4-20 x 18 mm 2 KEY PART NO.
User Manual 4
Page 3
... 1 Tube Nozzle 1 Model Label 1 Choke Label 1 Start Instructions Label 1 Logo Label 2 Warning Label 1 Combustion Warning Label 1 Right Hand Handle 1 Operator's Manual (961469002) 3 RYOBI BACKPACK BLOWER - RY08420A PARTS LIST (FIGURE A) KEY PART NO. MODEL NO. NUMBER 1 524584001 2 310752015 3 310816005 4 678561001 5 631055012 6 660614001 7 679950001 8 660626006 9 901588003 10 525644002 11 291424001 12 290298003 13 580924002 14 580693004...
... 1 Tube Nozzle 1 Model Label 1 Choke Label 1 Start Instructions Label 1 Logo Label 2 Warning Label 1 Combustion Warning Label 1 Right Hand Handle 1 Operator's Manual (961469002) 3 RYOBI BACKPACK BLOWER - RY08420A PARTS LIST (FIGURE A) KEY PART NO. MODEL NO. NUMBER 1 524584001 2 310752015 3 310816005 4 678561001 5 631055012 6 660614001 7 679950001 8 660626006 9 901588003 10 525644002 11 291424001 12 290298003 13 580924002 14 580693004...
User Manual 4
Page 5
RYOBI BACKPACK BLOWER - MODEL NO. NUMBER ... 1 Fan 1 Outer Volute 1 Outer Volute Cover 1 Screw (10-14 x 16 mm 3 Eyelet 1 Eyelet Support 1 5 RY08420A KEY PART NO. NUMBER 1 660629005 2 308563013 3 524587002 4 511731004 5 638088002 6 638033001 7 900849002 8 521519001 9 638980001 10 311017001 11 679052003 12 678018001 13 660613001... PARTS LIST (FIGURE B) DESCRIPTION QTY Screw (10-14 x 19 mm, T-25 Torx 17 Engine Cover w/Starter Assembly ...
RYOBI BACKPACK BLOWER - MODEL NO. NUMBER ... 1 Fan 1 Outer Volute 1 Outer Volute Cover 1 Screw (10-14 x 16 mm 3 Eyelet 1 Eyelet Support 1 5 RY08420A KEY PART NO. NUMBER 1 660629005 2 308563013 3 524587002 4 511731004 5 638088002 6 638033001 7 900849002 8 521519001 9 638980001 10 311017001 11 679052003 12 678018001 13 660613001... PARTS LIST (FIGURE B) DESCRIPTION QTY Screw (10-14 x 19 mm, T-25 Torx 17 Engine Cover w/Starter Assembly ...
User Manual 4
Page 7
... 1 Spark Plug (RCJ4 1 Gasket 1 Heat Dam 1 Spacer 1 Screw (M4 x 12 mm, Pan Hd 3 Washer (Heat Dam 2 Choke Lever 1 7 RYOBI BACKPACK BLOWER - RY08420A PARTS LIST (FIGURE C) KEY PART NO. Key No. 26 1 Air Box Cover 1 Air Filter Box 1 Air Filter 1 Bolt (1/4-20 x 18 mm 2 KEY... PART NO. NUMBER 1 660510009 2 300780002 3 678343002 4 562927001 5 660347001 6 661832001 7 523923001 8 671080001 9 308054079 10 523924001 11 900777004 ...
... 1 Spark Plug (RCJ4 1 Gasket 1 Heat Dam 1 Spacer 1 Screw (M4 x 12 mm, Pan Hd 3 Washer (Heat Dam 2 Choke Lever 1 7 RYOBI BACKPACK BLOWER - RY08420A PARTS LIST (FIGURE C) KEY PART NO. Key No. 26 1 Air Box Cover 1 Air Filter Box 1 Air Filter 1 Bolt (1/4-20 x 18 mm 2 KEY... PART NO. NUMBER 1 660510009 2 300780002 3 678343002 4 562927001 5 660347001 6 661832001 7 523923001 8 671080001 9 308054079 10 523924001 11 900777004 ...