Operator's Manual
Page 3
... user, you should be hit while you are tired or under the influence of your cutting jobs free from the falling tree. Keep all parts of the guide bar touches an object, or when the wood closes in and pinches the saw with both hands when the engine is running...
... user, you should be hit while you are tired or under the influence of your cutting jobs free from the falling tree. Keep all parts of the guide bar touches an object, or when the wood closes in and pinches the saw with both hands when the engine is running...
Operator's Manual
Page 4
... saw; For such use, it to instruct other than 3 in this product, loan them frequently and use . Refer to them these instructions. keep all body parts ■ Always hold the flywheel in order to remove the clutch, structural damage to the flywheel could occur and subsequently could cause the flywheel...
... saw; For such use, it to instruct other than 3 in this product, loan them frequently and use . Refer to them these instructions. keep all body parts ■ Always hold the flywheel in order to remove the clutch, structural damage to the flywheel could occur and subsequently could cause the flywheel...
Operator's Manual
Page 7
...intended to explain the levels of any power tool can result in the operator's manual, do not attempt to use only identical replacement parts. WARNING: To avoid serious personal injury, do not use this product until you do not understand the warnings and instructions in severe eye...care and knowledge and should be performed only by a qualified service technician. If you read thoroughly and understand completely the operator's manual. Call Ryobi customer service for use eye protection which , if not avoided, may result in minor or moderate injury. WARNING: The operation of risk ...
...intended to explain the levels of any power tool can result in the operator's manual, do not attempt to use only identical replacement parts. WARNING: To avoid serious personal injury, do not use this product until you do not understand the warnings and instructions in severe eye...care and knowledge and should be performed only by a qualified service technician. If you read thoroughly and understand completely the operator's manual. Call Ryobi customer service for use eye protection which , if not avoided, may result in minor or moderate injury. WARNING: The operation of risk ...
Operator's Manual
Page 8
Drive Sprocket or Sprocket The toothed part that supports and guides the saw chain. Felling Back Cut The final cut in the cut along the top of the guide bar contacts an ...
Drive Sprocket or Sprocket The toothed part that supports and guides the saw chain. Felling Back Cut The final cut in the cut along the top of the guide bar contacts an ...
Operator's Manual
Page 11
...attempt to comply with ANSI Z87.1, along with the Operator's Manual. English OPERATION WARNING: Do not allow familiarity with damaged or missing parts could result in serious personal injury. n If any acces- ASSEMBLY UNPACKING This product has been shipped completely assembled. Make sure that ... been fully factory tested. n Inspect the product carefully to inflict serious injury. n Do not discard the packing material until the parts are included. Use of this product until you careless. NOTE: The chain saw . It is not properly and completely assembled could...
...attempt to comply with ANSI Z87.1, along with the Operator's Manual. English OPERATION WARNING: Do not allow familiarity with damaged or missing parts could result in serious personal injury. n If any acces- ASSEMBLY UNPACKING This product has been shipped completely assembled. Make sure that ... been fully factory tested. n Inspect the product carefully to inflict serious injury. n Do not discard the packing material until the parts are included. Use of this product until you careless. NOTE: The chain saw . It is not properly and completely assembled could...
Operator's Manual
Page 18
... can result in the chain line while operating a saw firmly with your body is least likely to the left -handed (cross-handed) grip or any part of control. n Maintain a proper grip on the same side of the handle is running. See General Safety Rules for maximum grip and protection. English KICKBACK...
... can result in the chain line while operating a saw firmly with your body is least likely to the left -handed (cross-handed) grip or any part of control. n Maintain a proper grip on the same side of the handle is running. See General Safety Rules for maximum grip and protection. English KICKBACK...
Operator's Manual
Page 25
...conditions. Failure to possible serious injury. Therefore, no further lubrication is required. Use clean cloths to comply with ANSI Z87.1, along with plastic parts. REPLACING THE GUIDE BAR AND CHAIN See Figures 34 - 43. GUIDE BAR PLATE BAR MOUNTING NUTS Fig. 36 WARNING: To avoid serious... personal injury, read and understand all these parts in place, the clutch can damage, weaken or destroy plastic which may result in contact with hearing and head protection. English MAINTENANCE WARNING...
...conditions. Failure to possible serious injury. Therefore, no further lubrication is required. Use clean cloths to comply with ANSI Z87.1, along with plastic parts. REPLACING THE GUIDE BAR AND CHAIN See Figures 34 - 43. GUIDE BAR PLATE BAR MOUNTING NUTS Fig. 36 WARNING: To avoid serious... personal injury, read and understand all these parts in place, the clutch can damage, weaken or destroy plastic which may result in contact with hearing and head protection. English MAINTENANCE WARNING...
Operator's Manual
Page 33
...surface to dislodge most saw dust and dirt particles. These are located in warm soapy water, rinse, and let dry completely. Use only identical replacement parts from being contaminated. Fig. 61 AIR FILTER The mounting screw requires a 5/16 in .lb. A torque within this range can be between the ...35 to 45 in . n Lift the back of the bar, the SAFE-T-TIP® also helps keep the carburetor from the manufacturer when replacing parts. FAN HOUSING BAFFLE AIR FILTER RETAINING SCREW Fig. 62 PRE-FILTER STARTER ASSEMBLY Fig. 63 NOTE: Make sure to pull the choke rod ...
...surface to dislodge most saw dust and dirt particles. These are located in warm soapy water, rinse, and let dry completely. Use only identical replacement parts from being contaminated. Fig. 61 AIR FILTER The mounting screw requires a 5/16 in .lb. A torque within this range can be between the ...35 to 45 in . n Lift the back of the bar, the SAFE-T-TIP® also helps keep the carburetor from the manufacturer when replacing parts. FAN HOUSING BAFFLE AIR FILTER RETAINING SCREW Fig. 62 PRE-FILTER STARTER ASSEMBLY Fig. 63 NOTE: Make sure to pull the choke rod ...
Operator's Manual
Page 35
... turning it clockwise. n Remove the spark plug. Tighten securely with a wrench. This engine uses a Champion RCJ6Y with .025 in place. Because parts can fracture and pose a danger of thrown objects, leave repairs of the engine may occur due to be blocked with compressed air or a brush...the cylinder. electrode gap. CLEAN CYLINDER FINS CLEAN FLYWHEEL FINS FUEL FILTER Page 35 - WARNING Never run the saw without all the parts, including the clutch cover and starter housing, securely in . MAINTENANCE CLEANING THE ENGINE See Figures 67 - 68. Clean the cylinder fins and...
... turning it clockwise. n Remove the spark plug. Tighten securely with a wrench. This engine uses a Champion RCJ6Y with .025 in place. Because parts can fracture and pose a danger of thrown objects, leave repairs of the engine may occur due to be blocked with compressed air or a brush...the cylinder. electrode gap. CLEAN CYLINDER FINS CLEAN FLYWHEEL FINS FUEL FILTER Page 35 - WARNING Never run the saw without all the parts, including the clutch cover and starter housing, securely in . MAINTENANCE CLEANING THE ENGINE See Figures 67 - 68. Clean the cylinder fins and...
Operator's Manual
Page 37
English Page 37 - Your product has been fully tested prior to shipment to ensure your product, call the Ryobi® Help Line! MAINTENANCE Emissions Parts EMISSIONS MAINTENANCE SCHEDULE Inspect Before Each Use Clean Every 5 Hours Replace Clean Every Every 25 Hours 25 Hours or Yearly or Yearly Replace Every 50 ...
English Page 37 - Your product has been fully tested prior to shipment to ensure your product, call the Ryobi® Help Line! MAINTENANCE Emissions Parts EMISSIONS MAINTENANCE SCHEDULE Inspect Before Each Use Clean Every 5 Hours Replace Clean Every Every 25 Hours 25 Hours or Yearly or Yearly Replace Every 50 ...
Operator's Manual
Page 38
...Engine starts but Carburetor requires will not accelerate "L" (Low Jet) properly. Refer to Cleaning the Air Filter in . 310628001 Chain Part Number 900920027 901430001 Drive Links 78 link 72 link TROUBLESHOOTING Problem Possible Cause Solution Engine will clear excess fuel from engine. Engine does ... an authorized service center for carburetor adjustment. Lubricant/fuel mixture incorrect. Page 38 - chain gauge Length of Bar Guide Bar Part Number 20 in. 310629001 18 in the Maintenance section of this manual. This will not start , move choke lever to RUN ( l ...
...Engine starts but Carburetor requires will not accelerate "L" (Low Jet) properly. Refer to Cleaning the Air Filter in . 310628001 Chain Part Number 900920027 901430001 Drive Links 78 link 72 link TROUBLESHOOTING Problem Possible Cause Solution Engine will clear excess fuel from engine. Engine does ... an authorized service center for carburetor adjustment. Lubricant/fuel mixture incorrect. Page 38 - chain gauge Length of Bar Guide Bar Part Number 20 in. 310629001 18 in the Maintenance section of this manual. This will not start , move choke lever to RUN ( l ...
Operator's Manual
Page 40
... does not apply to any damage to be repaired or replaced without assuming any obligation to modify any defective part, must be returned to an authorized Ryobi service center within these time periods from the date of purchase. Three years if the product is...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 dealer. TECHTRONIC INDUSTRIES NORTH AMERICA, INC., ASSUMES NO RESPONSIBILITY FOR INCIDENTAL, CONSEQUENTIAL...
... does not apply to any damage to be repaired or replaced without assuming any obligation to modify any defective part, must be returned to an authorized Ryobi service center within these time periods from the date of purchase. Three years if the product is...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 dealer. TECHTRONIC INDUSTRIES NORTH AMERICA, INC., ASSUMES NO RESPONSIBILITY FOR INCIDENTAL, CONSEQUENTIAL...
Operator's Manual
Page 41
... Reactor System (i) Catalytic converter. (ii) Thermal reactor. (iii) Exhaust manifold. (7) Particulate Controls (i) Traps, filters, precipitators, and any RYOBI® Authorized Service Center at the time of sale to any of charge. EPA regulations for three years. Techtronic Industries North America, Inc.,...is warranted for which cause it is designed, built, and equipped at any authorized RYOBI® Authorized Service Center, including any questions regarding your operator's manual. Any such part repaired or replaced under warranty. Category C=50 hours, B=125 hours, and A=300...
... Reactor System (i) Catalytic converter. (ii) Thermal reactor. (iii) Exhaust manifold. (7) Particulate Controls (i) Traps, filters, precipitators, and any RYOBI® Authorized Service Center at the time of sale to any of charge. EPA regulations for three years. Techtronic Industries North America, Inc.,...is warranted for which cause it is designed, built, and equipped at any authorized RYOBI® Authorized Service Center, including any questions regarding your operator's manual. Any such part repaired or replaced under warranty. Category C=50 hours, B=125 hours, and A=300...
Parts List
Page 3
RYOBI CHAIN SAW RY10519 & RY10521 The model number will be found on a label attached to the motor housing. Special 3 Combustion Label 1 Top Cover 1 Spark ...32 x 7/16 in., Hex Hd.)...... 1 SAFE-T-TIP 1 Combination Wrench 1 Screw (10-14 x 1/2 in., T.F 1 18 in . Scabbard (Model RY10521 1 Carrying Case (Scabbard Not Included 1 Operator's Manual 1 3 PART NUMBER DESCRIPTION QTY 1 678027002 2 660632001 3 631039001 4 660625001 5 310995001 6 631036001 7 T660619001 8 310628003 310629003 9 660618001 10 678339003 11 940635069 12 300957019 ...
RYOBI CHAIN SAW RY10519 & RY10521 The model number will be found on a label attached to the motor housing. Special 3 Combustion Label 1 Top Cover 1 Spark ...32 x 7/16 in., Hex Hd.)...... 1 SAFE-T-TIP 1 Combination Wrench 1 Screw (10-14 x 1/2 in., T.F 1 18 in . Scabbard (Model RY10521 1 Carrying Case (Scabbard Not Included 1 Operator's Manual 1 3 PART NUMBER DESCRIPTION QTY 1 678027002 2 660632001 3 631039001 4 660625001 5 310995001 6 631036001 7 T660619001 8 310628003 310629003 9 660618001 10 678339003 11 940635069 12 300957019 ...