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Z4551-93121 (001)
BRUSHCUTTERS
BK3400FL
BK3400FT
BK3400FLJ
BK4300FL
BK4300FT
NOTE :
1. Use KOMATSU ZENOAH genuine parts as specified in the parts list for repair and/or replacement.
2. KOMATSU ZENOAH does not warrant the machines, which have been damaged by the use of any
parts other than those specified by the company.
3. When placing parts orders for repair and/or replacement, check if the model name and the serial
number are applicable to those specified in the parts list, then use parts nu
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BK3400FL/BK4300FL Fig.1 DRIVE UNIT & ACCESSORIES
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BK3400FL/BK4300FL Fig.1 DRIVE UNIT & ACCESSORIES Q'TY Q'TY Key# PART NUMBER DESCRIPTION NOTE Key# PART NUMBER DESCRIPTION NOTE /UNIT /UNIT 1 6129-13001 GEARCASE ASSY 1 63 01641-21423 WASHER 2 2 6129-13110 • GEARCASE 1 64 04064-01510 SNAPRING 1 3 6129-13120 • BEARING 1 65 0224-30625 BOLT 1 4 06004-06201 • BEARING 1 66 0280-10605 NUT 1 5 04065-03212 • SNAPRING 1 67 6129-61100 CORD COMP 1 6 6129-13211 • SHAFT, gear 1 68 6129-61210 BAND 2 7 6129-13220 • GEAR 1 69 1600-72210 SWITCH 1 8 6129-1
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BK3400FLJ Fig.2 DRIVE UNIT & ACCESSORIES
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BK3400FLJ Fig.2 DRIVE UNIT & ACCESSORIES Q'TY Q'TY Key# PART NUMBER DESCRIPTION NOTE Key# PART NUMBER DESCRIPTION NOTE /UNIT /UNIT 1 6129-13001 GEARCASE ASSY 1 63 1400-85326 • • CAP, inner 1 2 6129-13110 • GEARCASE 1 64 1030-85140 • • ELEMENT 1 3 6129-13120 • BEARING 1 65 1600-85322 • • PACKING 1 4 06004-06201 • BEARING 1 66 4551-85100 • JOINT ASSY 1 5 04065-03212 • SNAPRING 1 67 1400-85141 • • GROMMET 1 6 6129-13211 • SHAFT, gear 1 68 3063-22510 • • CLIP 2 7 6129-13220 • GEAR 1 69 4551-8
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BK3400FT/BK4300FT Fig.3 DRIVE UNIT & ACCESSORIES
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BK3400FT/BK4300FT Fig.3 DRIVE UNIT & ACCESSORIES Q'TY Q'TY Key# PART NUMBER DESCRIPTION NOTE Key# PART NUMBER DESCRIPTION NOTE /UNIT /UNIT 1 6129-13001 GEARCASE ASSY 1 63 01641-21423 WASHER 2 2 6129-13110 • GEARCASE 1 64 04064-01510 SNAPRING 1 3 6129-13120 • BEARING 1 65 0224-30625 BOLT 1 4 06004-06201 • BEARING 1 66 0280-10605 NUT 1 5 04065-03212 • SNAPRING 1 67 6129-61100 CORD COMP 1 6 6129-13211 • SHAFT, gear 1 68 6129-61210 BAND 2 7 6129-13220 • GEAR 1 69 1600-72210 SWITCH 1 8 6129-1
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BK3400FL/BK3400FLJ/BK3400FT Fig.4 Engine G34L
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BK3400FL/BK3400FLJ/BK3400FT Fig.4 Engine G34L Q'TY Q'TY Key# PART NUMBER DESCRIPTION NOTE Key# PART NUMBER DESCRIPTION NOTE /UNIT /UNIT 1 4700-12110 • CYLINDER 1 63 4700-13150 GASKET, INSU 1 2 3310-12281 • BOLT 4 64 4750-13130 GASKET, CARB 1 3 4500-13120 • GASKET, CYL 1 65 T1024-81000 CARBURETOR-A 1 4 4500-21100 • CRANKCASE-C 1 66 1141-81110 • CAP 1 5 2629-21130 • • PIN 3 67 1141-81120 • CAP 1 6 4500-21140 • GASKET, CASE 1 68 1030-81000 • SPRING 1 7 06030-06201 • BEARING 2 69 4770-81150 • VALV
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BK4300FL/BK4300FT Fig.5 Engine G43L
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BK4300FL/BK4300FT Fig.5 Engine G43L Q'TY Q'TY Key# PART NUMBER DESCRIPTION NOTE Key# PART NUMBER DESCRIPTION NOTE /UNIT /UNIT 1 4500-12110 • CYLINDER 1 63 4500-13150 GASKET, INSU 1 2 3310-12281 • BOLT 4 64 4550-13130 GASKET, CARB 1 3 4500-13120 • GASKET, CYL 1 65 4550-81000 CARBURETOR-A 1 4 4500-21100 • CRANKCASE-C 1 66 1650-81121 • CAP 1 5 2629-21130 • • PIN 3 67 1141-81120 • CAP 1 6 4500-21140 • GASKET, CASE 1 68 1335-81060 • SPRING 1 7 06030-06201 • BEARING 2 69 4550-81150 • VALVE 1 8 2169-
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1-9 Minamidai, Kawagoe, Saitama, 350-1192 Japan PRINTED ON RECYCLED PAPER IMPRIMÉ SUR PAPIER RECYCLÉ GEDRUCKT AUF RECYCLING PAPIER STAMPATO SU CARTA RICICLATA PRINTED IN JAPAN IMPRESO EN PAPEL RECICLADO
