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Summary of Contents for TBC-420PF

Page 1: ...SERVICE MANUAL TROUBLE SHOOTING SERVICE TORQUE LIMITS TECHNICAL DATA GRASS TRIMMERS BRUSH CUTTERS 1028 4th Street S W Building B Auburn WA 98001 PH 253 333 1200 F 253 333 1212 tanakapowerequipment com...

Page 2: ...odels without notice and without work A clean work area at the start of each job will allow incurring ob igation The equipment identified as you to perform the repair as easily and quickly as possible...

Page 3: ...t light etc or DO NOT make any adjustment or perform any mainte sparks near equipment or fuel container when refueling or nance or repair procedures while engine is running unless servicing fuel syste...

Page 4: ...nk shaft 7 11 Centrifugal clutch 7 12 Spark plug 8 13 Ignition coil inspection 8 14 Inspection of cylinder compression 8 15 Tank cap 9 Engine side 10 6 1 Recoil starter system 10 6 2 Checking air gap...

Page 5: ...326 00 2 2 5 Piston pin remover 009 29323 50 x x x 5 Piston pin remover 009 29326 00 x x x 7 Pinion remover 016 29338 00 x x x x 7 Pinion remover 016 29373 00 x x 8 Coil locator 020 29371 14 x x 9 Rem...

Page 6: ...Ratio 1 25 1 Curved sfaft 1 1 1 25 1 1 25 1 Curved sfaft 1 1 1 25 1 Model TBC 270PF series TBC 270 series TBC 290 series TBC 340 series Displacement cc 25 6 26 9 28 0 32 2 Bore x Stroke mm 33 x 30 35...

Page 7: ...224B WYJ389 HDA180 HDA180 Fixed Jet main jet 44 51 N A N A L H needle set N A N A 90 90 Metering lever height mm 1 50 0 16 frm face of pump body 1 50 0 16 frm face of pump body 0 13 0 25 frm face of c...

Page 8: ...50 0 10 11 90 11 90 55 00 11 95 TBC 270PF series 33 04 32 80 9 05 8 96 0 50 0 10 11 90 11 90 55 00 11 95 TBC 270series 35 03 34 80 8 05 7 96 0 50 0 10 11 90 11 90 55 00 11 95 TBC 290 series 34 53 34...

Page 9: ...1 43 4 Crankcase 40 50 34 7 43 4 ORDINARY NUTS AND BOLTS Reference kg cm In lb M4 Screw 20 30 17 3 26 0 M5 Screw 40 50 34 7 43 4 M6 Screw 60 70 52 1 60 7 M4 Nut 20 30 17 3 26 0 M5 Nut 40 50 34 7 43 4...

Page 10: ...6 WWW TANAKAPOWEREQUIPMENT COM CUSTSVC NIKKO TANAKA USA COM Sealing is essential Fig 1...

Page 11: ...7 WWW TANAKAPOWEREQUIPMENT COM CUSTSVC NIKKO TANAKA USA COM...

Page 12: ...8 WWW TANAKAPOWEREQUIPMENT COM CUSTSVC NIKKO TANAKA USA COM...

Page 13: ...9 WWW TANAKAPOWEREQUIPMENT COM CUSTSVC NIKKO TANAKA USA COM...

Page 14: ...16 4 5 When assembling the recoil spring to the recoil body insert hook of recoil spring into the groove within the recoil starter body Fig 17 NOTE Be sure to install recoil spring so shape spring win...

Page 15: ...11 WWW TANAKAPOWEREQUIPMENT COM CUSTSVC NIKKO TANAKA USA COM Needle Pin...

Page 16: ...ake flat by using fine sandpaper or replace as needed NOTE When assembling insulator on the unit always replace inlet manifold and carburetor gasket 6 4 Disassembling and Assembling Engine 1 To separa...

Page 17: ...crankshaft with a soft hammer taking care not to damage the crankcase fitting surface and remove the crankshaft Fig 28 CHECK 1 For any damage to the ball bearing and oil seal 2 Rod bearing for damage...

Page 18: ...WWW TANAKAPOWEREQUIPMENT COM CUSTSVC NIKKO TANAKA USA COM 14...

Page 19: ...ing nut cutter holder cap and cutter holder And then remove stop ring using snap ring priers 2 Install fixing nut on gear shaft until fixing nut is flush with the 3 Hold fixing nut securely with the v...

Page 20: ...ng one of gear shaft inserter s shown on the Special tool list Fig 37 3 Insert ball bearing into pinion using one of the pinion inserters which are shown on the Special Tool List Fig 38 4 Install the...

Page 21: ...take reach cylinder Air leak from engine Clogged and or leaks pulse to carburetor Air leak from fuel pipe Air leak from carburetor Incorrect carburetor adjustment Bad diaphragm in carburetor Incorrect...

Page 22: ...erate Lean carburetor adjustment Clogged fuel filter Engine isn t warm enough Warm up engine Lean carburetor adjustment Air leak at intake Engine RPM surging Air leak from pipe Clogged fuel filter Bro...

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