Tanaka THT-2520 Setup guide

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Model Number:
THT-2520
HEDGETRIMMER
P/N 27955
Rev 002
Date 11-13-07
Nikko Tanaka Engineering U.S.A.,Ltd.• 1028 4th Street SW, Bldg B • Auburn, WA 98001 • Phone: [phone] • Fax: [phone]
www.tanakapowerequipment.com [email protected]

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Page 1
THT-2520
ENGINE / CYLINDER, PISTON, CRANKCASE, IGNITION • FIGURE 1

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Page 2
THT-2520
ENGINE / CYLINDER, PISTON, CRANKCASE, IGNITION • FIGURE 1
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
1-1 1570650091 CAP,SPARK PLUG ASS'Y 1
1-2 0181166021 PLUG,SPARK 1
1-3 0010660090 SET,CYLINDER 1 Includes cylinder gasket
1-4 99416050201 SCREW,5X20/WS 2
1-7 0170650020 GASKET, CYLINDER 1
1-8 04101601200 RING,PISTON 2
1-9 0300660090 SET,PISTON 1 Includes rings, and circlips
1-10 03701601200 PIN,PISTON 1
1-11 03901620200 CIRCLIP,PISTON PIN 2
1-12 04606500801 CRANKSHAFT 1
1-13 99962081225 BEARING,NEEDLE,F-810 1
1-21 0720650090 CRANKCASE ASS'Y 1 Crankcase assy includes bearings, seals
1-22 09006500200 GASKET,CRANKCASE 1 and gasket.
1-23 99966122206 SEAL,OIL,TC12227 2
1-24 99961600100 BEARING,BALL,#6001 2
1-25 33000200210 SHIM,12.2X19X.10 V Shims are "as needed" to obtain
1-25 33000200220 SHIM,12.2X19X.15 V correct side clearance
1-25 33000200230 SHIM,12.2X19X.20 V
1-25 33000200240 SHIM,12.2X19X.30 V
1-26 59900601200 CUSHION 1
1-27 1672153280 COIL,IGNITION 1
1-28 99416040226 SCREW,WS,4X22 2
1-30 99414050301 SCREW,5X30/S 3
1-31 1552152380 ROTOR, MAGNETO 1
1-32 99201080011 WASHER,8 1
1-33 99210080012 WASHER,S,8 1
1-34 99101080011 NUT,8 1
1-35 10002100200 BOLT,STUD,6X22 2
1-36 25006500200 TUBE,INSULATOR 1
1-37 1780650080 CORD,STOP COMPLETE 1

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Page 3
THT-2520
CARBURETOR, FUEL TANK, FUEL SYSTEM • FIGURE 2
CARBURETOR
SEEFIG-3

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Page 4
THT-2520
CARBURETOR, FUEL TANK, FUEL SYSTEM • FIGURE 2
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
2-3 7380660020 PROTECTOR,MUFFLER 1
2-4 73706500200 GASKET,MUFFLER 1
2-5 13306500200 SHIELD,HEAT 1
2-6 7040650090 SET,MUFFLER 1
2-7 99201050011 WASHER,5 2
2-8 99051050503 BOLT,HEX,5X50 2
2-11 1120650080 CASE,FAN 1
2-12 78006097200 SPRING,RECOIL 1
2-13 77406097200 PULLEY,STARTER 1
2-15 8390201020 SCREW,SET 1
2-16 79806500900 PULLEY,STARTER,ASS'Y 1
2-17 2030604A202 GROMMET 1
2-18 78306097200 ROPE,STARTER 1
2-19 78506410200 HANDLE,STARTER 1
2-20 99415040162 SCREW,PS,4X16 3
2-21 75106500200 GASKET,MUFFLER 1
2-22 7210661190 SET,TAIL PIPE 1
2-24 99434040081 SCREW,4X8/S 2
2-25 40306500200 GASKET,INTAKE 1
2-26 4040650090 SET,CARB INSULATOR 1
2-27 99416050252 SCREW,5X25WS 2
2-30 40206500200 GASKET,CARBURETOR 1
2-33 99967015000 O-RING,P15 1
2-35 4230650081 BODY,CLEANER 1
2-36 47006500200 COLLAR 2
2-37 5280650T20 LEVER,CHOKE 1
2-38 99204080030 WASHER,8 1
2-39 47601700200 BOARD,BLOW OVER CHECK 1
2-40 99210050012 WASHER,S,5 2
2-41 99011050602 SCREW,5X60 2
2-43 4460650020 ELEMENT,CLEANER 1
2-44 4520660091 COVER W,BOLT 1
2-45 3800637C200 BOLT,CLEANER COVER 1
2-46 4550650090 CARBURETOR,SET 1 Before S/N U217738
2-46 4550651A90 CARBURETOR 1 S/N U217739 and after
2-47 2770634F900 CLUTCH,ASS'Y 1

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Page 5
THT-2520
CARBURETOR, FUEL TANK, FUEL SYSTEM • FIGURE 2
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
2-50 2230650090 PIPE,FUEL,ASS'Y 1
2-51 68000731201 CLIP 6.3 1
2-52 6750404280 FILTER,FUEL 1
2-53 5910650000 TANK,FUEL PIPE,ASS'Y 1 Before S/N T218760
2-53 5910661321 TANK,FUEL 1 From S/N T218761 to U217738
2-53 5910651A21 TANK,FUEL 1 S/N U217739 and after
2-54 5950650A90 TANK CAP 1 Before S/N T218760
2-54 5950656B90 CAP,FUEL BLACK,NON VENT 1 S/N T218761 and after
2-55 65900801200 COLLAR 2
2-58 99463050185 BOLT,HEX5X18PS 2
2-61 99072045164 SCREW,TAPPING,4.5X16 1
2-62 99425040128 BOLT,PS,4X12 2
2-65 79006097200 SPRING,STARTER PAWL 1
2-66 7880650020 PAWL,STARTER 1
2-70 44225143800 PUMP,PRIMING ASS'Y 1 S/N U217739 and after
2-77 70002504080 PIPE,FUEL,2.5X4X80 1 S/N U217739 and after
2-78 7000250406 PIPE,FUEL,2.5X4X65 1 S/N U217739 and after
2-79 53432710200 GROMMET,FUEL PIPE 1 S/N U217739 and after
2-121 5640661190 VENT,AIR ASS'Y 1
2-122 5650441020 PIPE,AIR VENT 1
2-123 6460098190 AIR VENT VALVE ASSY 1

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Page 6
THT-2520
CARBURETOR • FIGURE 3
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
3-0 4550650090 CARBURETOR,SET 1 Before S/N U217738
3-0 4550651A90 CARBURETOR 1 S/N U217739 and after
3-1 54825140200 SCREW,THROTTLE SET 2
3-5 53925120200 SWIVEL 1 * Contained in Carb Repair Kit
3-7 48925100200 RING,STOP 1 P/N 650-25124-900 (Not available individually)
3-8 48825145800 VALVE,THROTTLE 1
3-10 55025100200 O-RING 1
3-11 5992000W35 JET,MAIN,#35 1 Before S/N U217738
3-11 5992000W410 JET,MAIN,#41 1 S/N U217739 and after
3-13 ~~ *GASKET,PUMP 1
3-14 ~~ *DIAPHRAGM,PUMP 1
3-17 ~~ *SCREEN,INLET 1
3-18 5752518280 BODY,PUMP 1 Before S/N U217738
3-18 5752514780 BODY,PUMP ASS'Y 1 S/N U217739 and after
3-19 ~~ *GASKET,DIAPHRAGM 1 Before S/N U217738
3-19 ~~ *GASKET,DIAPHRAGM 1 S/N U217739 and after
3-20 ~~ *DIAPHRAGM,METERING 1
3-21 47625004200 COVER,DIAPHRAGM 1
3-22 54825101200 SCREW,SET 4

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Page 7
THT-2520
GEAR CASE, HANDLE, CUTTER BLADES • FIGURE 4

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Page 8
THT-2520
GEAR CASE, HANDLE, CUTTER BLADES • FIGURE 4
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
4-1 3003316081 CASE,GEAR 1
4-2 99350015002 RING,STOP,C-15 EX 1
4-3 99961600200 BEARING,BALL,#6002 1
4-4 99961600202 BEARING,BALL,#6002Z 1
4-5 2883318080 DRUM,CLUTCH 1
4-6 30533160200 SHAFT,GEAR 1
4-7 07533160200 PLATE,GUIDE 1
4-8 1013319020 ROD,CAM 2
4-9 3073318020 GEAR,2 1
4-10 30333160200 GASKET,GEARCASE 1
4-11 6303316020 COVER,GEAR CASE 1
4-12 1223319021 GUIDE,CUTTER 1 ~A302050
4-12 1223319120 GUIDE,CUTTER 1 A302051~
4-13 1363319020 PLATE,PROTECTION 1
4-14 99052060165 BOLT,HEX,6X16 2
4-15 1203319021 BLADE,CUTTER 2
4-16 08533160200 SEAL,GREASE A 2
4-17 12933202201 WASHER,7 6
4-18 1243320221 BOLT,CUTTER FIXING,A 6 ~A302050
4-18 1243228720 BOLT,FIXING,A 6 A302051~
4-19 1233317A20 NUT,CUTTER FIXING 6 A302050
4-19 40927 NUT,FLANGE,M6 6 A302051~
4-20 99461040155 BOLT, HEX, 4X15 2
4-21 99461040124 BOLT,HEX 4X12 6
4-22 30032250801 FITTING,GREASE 1
4-23 99051060143 BOLT,HEX,6X14 2
4-25 05033160200 HANDLE,A 1
4-26 17033160800 SWITCH,STOP 1
4-27 2581165020 BUTTON,STOP 1
4-28 99011030101 SCREW,3X10 1
4-29 23033160200 LEVER,THROTTLE 1
4-30 23133160200 LEVER,SAFETY 1
4-31 23233160200 SPRING,THROTTLE LEVER 1
4-33 05133160200 HANDLE,B 1
4-35 7653212020 CAP 1
4-36 99072045164 SCREW,TAPPING,4.5X16 6
4-37 05833160200 BRACKET,HANDLE 1
4-38 99200060011 WASHER,SMALL,6 2
4-39 99101060011 NUT,6 1
4-40 99021060501 BOLT,6X50 1
4-41 26632750200 DAMPER,B 2
4-42 27632710201 COLLAR,DAMPER B 2
4-43 36832057200 WASHER,BRAKE SHAFT 2
4-45 99414050301 SCREW,5X30/S 2
4-46 2943316021 COLLAR 16 1
4-47 88506500800 WIRE,THROTTLE 1
4-48 92533160200 DECAL,STOP BUTTON 1

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Page 9
THT-2520
GEAR CASE, HANDLE, CUTTER BLADES • FIGURE 4
ITEM PART NUMBER DESCRIPTION QTY COMMENTS
4-50 2493316020 BODY,CLAMP A 1
4-51 27632710201 COLLAR,DAMPER B 2
4-52 26632750200 DAMPER,B 2
4-53 36832057200 WASHER,BRAKE SHAFT 2
4-55 99414050301 SCREW,5X30/S 2
4-56 99073045124 SCREW,TAPPING,4.5X12 4
4-57 2503316020 BODY,CLAMP,B 1
4-58 99073045124 SCREW,TAPPING,4.5X12 1
4-59 2963319020 SPACER 1
4-60 3013316020 CASE,GEAR,B 1 Before S/N V026060
4-60 3013319120 CASE,GEAR,B 2 S/N V026461 and after
4-61 2103316021 HANDLE 1
4-62 0403316080 SUPPORT,HANDLE 1
4-63 99201050011 WASHER,5 2
4-65 99414050401 SCREW,5X40/S 2
4-67 19805015800 CLAMP,CORD 1
4-69 1383319020 COVER,CUTTER,30" 1 Before S/N V026060
4-69 1383319320 COVER,CUTTER,30" 1 S/N V026061 and after
4-71 99210060012 WASHER,S,6 2
4-72 99440060011 NUT,SPRING 6 2
4-73 16407007000 TUBE,PROTECTION 1
4-75 81320000200 WRENCH,HEX,4 1
4-76 03629331501 SPANNER,COMBI 1
4-81 99201060011 WASHER,6 3
4-82 1353319120 PROTECTOR,BLADE 1 S/N V230528 and after
4-83 99461040104 BOLT,HEX, 4X10 2 S/N V026061 and after
4-84 4623319120 BRACKET,SUPPORT 1 S/N V026061 and after