Operator's Manual
Page 16
... is loosened, check valve may be replaced every 50 hours or yearly to ensure proper performance of the spark arrestor for the location of your model. A leaking fuel cap is still warm but not hot. A clogged fuel filter will drain quickly and more information. 12 - electrode gap. ...be pushed in . Warm lubricant will cause poor engine performance. Line should never turn at idle, the idle speed screw needs adjusting on the model purchased. CLEANING AIR FILTER SCREEN See Figures 24 - 25. Remove the bottom cover and set aside. Remove the screws from the bottom...
... is loosened, check valve may be replaced every 50 hours or yearly to ensure proper performance of the spark arrestor for the location of your model. A leaking fuel cap is still warm but not hot. A clogged fuel filter will drain quickly and more information. 12 - electrode gap. ...be pushed in . Warm lubricant will cause poor engine performance. Line should never turn at idle, the idle speed screw needs adjusting on the model purchased. CLEANING AIR FILTER SCREEN See Figures 24 - 25. Remove the bottom cover and set aside. Remove the screws from the bottom...
Operator's Manual
Page 21
...or modified parts will be interpreted as a problem exists. WARRANTY THE FOLLOWING CALIFORNIA AIR RESOURCES BOARD (CARB) STATEMENT ONLY APPLIES TO MODEL NUMBERS REQUIRED TO MEET THE CARB REQUIREMENTS. Any diagnostic work done at 1-800-860-4050. Any such part repaired or replaced under ...time listed above provided there has been no cost to you should contact a Techtronic Industries North America, Inc., Customer Representative at a RYOBI® Authorized Service Center shall be free of charge. Techtronic Industries North America, Inc., will be grounds for the first three ...
...or modified parts will be interpreted as a problem exists. WARRANTY THE FOLLOWING CALIFORNIA AIR RESOURCES BOARD (CARB) STATEMENT ONLY APPLIES TO MODEL NUMBERS REQUIRED TO MEET THE CARB REQUIREMENTS. Any diagnostic work done at 1-800-860-4050. Any such part repaired or replaced under ...time listed above provided there has been no cost to you should contact a Techtronic Industries North America, Inc., Customer Representative at a RYOBI® Authorized Service Center shall be free of charge. Techtronic Industries North America, Inc., will be grounds for the first three ...
Repair Sheet
Page 2
Figure A Ryobi 30cc String Trimmers Model Numbers - RY34420, RY34440 30 1 28 27 17 3 4 2 16 15 19 18 29 11 6 12 13 5 7 21 2 22 23 2 20 14 31 10 9 25 26 8 24
Figure A Ryobi 30cc String Trimmers Model Numbers - RY34420, RY34440 30 1 28 27 17 3 4 2 16 15 19 18 29 11 6 12 13 5 7 21 2 22 23 2 20 14 31 10 9 25 26 8 24
Repair Sheet
Page 3
... 570400001 987000405 9-17-08 (REV:00) Wing Nut (1/4-20 1 Top Cover 1 Throttle Trigger 1 Throttle Trigger Spring 1 Hanger Cap 1 Throttle Cable and Lead Assembly (Incl. Ryobi 30cc String Trimmers Model Numbers - RY34420, RY34440 PARTS LIST (FIGURE A) KEY PART NO. Key No. 5 1 Hot Surface Label 1 Starting Label 1 Upper Boom Assembly (Incl. NUMBER...
... 570400001 987000405 9-17-08 (REV:00) Wing Nut (1/4-20 1 Top Cover 1 Throttle Trigger 1 Throttle Trigger Spring 1 Hanger Cap 1 Throttle Cable and Lead Assembly (Incl. Ryobi 30cc String Trimmers Model Numbers - RY34420, RY34440 PARTS LIST (FIGURE A) KEY PART NO. Key No. 5 1 Hot Surface Label 1 Starting Label 1 Upper Boom Assembly (Incl. NUMBER...
Repair Sheet
Page 4
Figure B 1 2 4 3 Ryobi 30cc String Trimmers Model Numbers - RY34420, RY34440 39 40 41 38 37 36 12 3 13 14 15 10 11 9 67 8 35 34 28 27 26 25 16 33 30 32 31 30 29 24 23 22 21 20 17 19 18 5 4
Figure B 1 2 4 3 Ryobi 30cc String Trimmers Model Numbers - RY34420, RY34440 39 40 41 38 37 36 12 3 13 14 15 10 11 9 67 8 35 34 28 27 26 25 16 33 30 32 31 30 29 24 23 22 21 20 17 19 18 5 4
Repair Sheet
Page 5
... 10 310022001 11 518996001 12 638389001 13 638284002 14 650017001 15 309011001 16 309921001 17 590462002 18 660970008 19 310585001 20 678180002 21 518960001 Ryobi 30cc String Trimmers Model Numbers - RY34420, RY34440 PARTS LIST (FIGURE B) DESCRIPTION QTY KEY PART NO. Key Nos. 17-18 1 Nut (M5 x 0.8 2 Air Filter Base 1 22...
... 10 310022001 11 518996001 12 638389001 13 638284002 14 650017001 15 309011001 16 309921001 17 590462002 18 660970008 19 310585001 20 678180002 21 518960001 Ryobi 30cc String Trimmers Model Numbers - RY34420, RY34440 PARTS LIST (FIGURE B) DESCRIPTION QTY KEY PART NO. Key Nos. 17-18 1 Nut (M5 x 0.8 2 Air Filter Base 1 22...
Repair Sheet
Page 6
... Cut II String Head Assembly 1 9 308827002 Housing 1 10 678749001 Spring 1 11 308924001 Spool 1 12 660650001 Bolt (5/16-18 x 1/2 in . Figure C Model RY34420 1 2 3 4 15 5 Ryobi 30cc String Trimmers Model Numbers - RY34420, RY34440 Figure C Model RY34440 4 5 9 6 10 7 11 11 8 12 13 14 9 8 10 67 1 2 3 12 13 15 14 16 17 18 22 19 20...
... Cut II String Head Assembly 1 9 308827002 Housing 1 10 678749001 Spring 1 11 308924001 Spool 1 12 660650001 Bolt (5/16-18 x 1/2 in . Figure C Model RY34420 1 2 3 4 15 5 Ryobi 30cc String Trimmers Model Numbers - RY34420, RY34440 Figure C Model RY34440 4 5 9 6 10 7 11 11 8 12 13 14 9 8 10 67 1 2 3 12 13 15 14 16 17 18 22 19 20...
Replacement Parts List
Page 2
RY34420, RY34440 30 1 28 27 17 3 4 2 16 15 29 11 6 12 13 5 7 21 2 22 19 18 20 14 23 10 9 25 26 8 32 24 31 2 Figure A Ryobi 30cc String Trimmers Model Numbers -
RY34420, RY34440 30 1 28 27 17 3 4 2 16 15 29 11 6 12 13 5 7 21 2 22 19 18 20 14 23 10 9 25 26 8 32 24 31 2 Figure A Ryobi 30cc String Trimmers Model Numbers -
Replacement Parts List
Page 3
... Throttle Cable and Lead Assembly (Incl. Number Description Qty. 18 678008001 Washer (1/4 in 2 32 518548001 CE Cover (Bottom Cover 1 987000405 Operator's Manual (Not Shown 1 3 Ryobi 30cc String Trimmers Model Numbers - Key No. 26 1 10 310302001 Oil Cap/Dipstick (Incl. Key No. 5 1 25 940680023 Hot Surface Label 1 26 940734040 Starting Label 1 27 120950028...
... Throttle Cable and Lead Assembly (Incl. Number Description Qty. 18 678008001 Washer (1/4 in 2 32 518548001 CE Cover (Bottom Cover 1 987000405 Operator's Manual (Not Shown 1 3 Ryobi 30cc String Trimmers Model Numbers - Key No. 26 1 10 310302001 Oil Cap/Dipstick (Incl. Key No. 5 1 25 940680023 Hot Surface Label 1 26 940734040 Starting Label 1 27 120950028...
Replacement Parts List
Page 4
... String Head 1 Pro Cut II String Head Assembly 1 Housing (Incl. LH 1 Knob 1 Cover 1 Reel Easy String Head Assembly 1 Hanger Cap 1 4 Figure b Model RY34420 Ryobi 30cc String Trimmers Model Numbers - RY34420, RY34440 16 1 2 9 Figure b Model RY34440 4 5 6 3 10 4 15 5 11 12 7 8 11 13 14 9 8 67 10 23 1 2 3 12 13 15 14 16 17 18 22 19...
... String Head 1 Pro Cut II String Head Assembly 1 Housing (Incl. LH 1 Knob 1 Cover 1 Reel Easy String Head Assembly 1 Hanger Cap 1 4 Figure b Model RY34420 Ryobi 30cc String Trimmers Model Numbers - RY34420, RY34440 16 1 2 9 Figure b Model RY34440 4 5 6 3 10 4 15 5 11 12 7 8 11 13 14 9 8 67 10 23 1 2 3 12 13 15 14 16 17 18 22 19...