HOFFMANN POWER PRODUCTS PARTS LIST 2012 HOFFMANN Diesel Engines ALL PARTS ARE SUBJECT TO STANDARD HOFFMANN TERMS AND CONDITIONS OF SALE 2010 Replacement parts are not manufactured, sold or warranted by O.E.M's and any part numbers and or descriptions are used for identification purposes only. Manufacturers names, numbers and descriptions are used for reference purposes only and it is not implied that any part listed is the product of the manufacturers. All pictures and drawings are for reference purposes only; any specifications appearing in any documents emanating from The Company are approximate only and are subject to modifications without notice. All rights reserved, material contained in this publication for which copyright is acknowledged. No part of this publication may be reproduced or transmitted in any form or by any means without written permission of the copyright holder. Copyright Hoffmann International 2012.
CONTENT PART LISTINGS Fig 1 Fig 2 Fig 3 Fig 4 Fig 5 Fig 6 Fig 7 Fig 8 Exploded view of engine block assembly Exploded view of cylinder head Exploded view of Piston/Crank Assembly Exploded view of fuel tank parts Exploded view of lubrication and speed control system Exploded view of cooling and recoil starting system Exploded view of muffler assembly Exploded view of fuel pump assembly ASSEMBLY LIST KEY Parts not available
ASSEMBLY LIST 1
ASSEMBLY LIST 2
ASSEMBLY LIST 3
ASSEMBLY LIST 4
ASSEMBLY LIST 5
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Table 1. Please refer to Fig 1 for illustration Code Names of Parts Unit Qty KM170F/KM178F/KM186F 1 ES1801039 Starter Motor Local 2 ES1801040 Bolt M10 x 35 (GB/T5783-2000 KM170F-01007 70-1704901 KM178F-01005 3 78-1704902 Cylinder head nuts (long) KM186F-01007 86-1704903 KM170F-01004 70-1705001 KM178F-01003 4 78-1705002 Cylinder head nuts (short) KM186F-01004 86-1705003 KM170F-01005 70-1704801 KM178F-01006 5 78-1704802 Cylinder head nut washer KM186F-01005 86-1704803 KM170F-01013 70-1719504 KM178F-01012 6 78-1779704 Cylinder head gasket KM186F-01013 86-1706314 KM170F-01008 70-1801107 Rectangle ring gasket 4.5 x 2.5 KM178F-01007 7 78-1801207 Rectangle ring gasket 4.5 x 2.2 KM186F-01008 86-1801307 Rectangle ring gasket 4.1 x 4.25 x 2.3 KM170F-01006 70-1700201 KM178F-01004/L 8 78-1700202 Cylinder head studs (long) KM186F-01006 86-1700203 KM170F-01006 70-1700301 KM178F-01004/5 9 78-1700302 Cylinder head studs (short) KM186F-01003 86-1700303 KM170F-01001 70-1700107 KM178F-01001 10 78-1700103 Cylinder block KM186F-01001 86-1700110 KM170F/KM178F-30x45x8 70/78-1711702 Rear oil seal 30 x 45 x 8 11 KM186F-35x50x8 86-1711704 Rear oil seal 35 x 50 x 8 KM170F/KM178F-01016 12 C 17121 KM18F-01017 Oil drain plug KM170F/KM178F/KM186F 13 17120-01100 Oil drain plug gasket GB1235-76/25X2 14 1711324 'O' ring for oil dipstick 24 x 2.4 KM170F/KM178F/KM186F 15 (01011) 17123 Fuel injection pump fastening bolt (short) KM170F/KM186/KM178F 16 (01009) 17122 Fuel injection pump fastening bolt (long) KM170F/178F/186F-10016 17 1719605 Fuel injector adjusting gasket (0.5) KM170F-01002 70-1702001 70-Oil dipstick 18 KM186F-01002 78/86-1702002 78/86-Oil dipstick GBT6175-200016 19 1710103 Heterotypic nut M6(GB/T 6170) Piece 3 KM170F/178/186F-10016 20 17159 Sealing plate gasket KM170F/178F/186F-10015 21 17158 Sealing plate KM170F/178F/186F-01008/9 22 17195 Thrust piece GB5783-86/8X15 23 1710636 Flange face with bolts M8X14(GB5789-86) GB290-89/7941 24 1710010 Needle bearing 7941/15 2
Table 1. Please refer to Fig 1 for illustration (continued) Code Names of Parts Unit Qty 70-1710006 Ball bearing 306 (GB/T276-94) GBT276-94 25 78-1710007 Ball bearing 307 (GB/T276-94) 86-1710008 Ball bearing 308 (GB/T276-94) KM170F-01015 70-1704601 70-Crankcase cover gasket KM178F01013 26 78-1704602 78-Crankcase cover gasket KM86F-01015 86-1704603 86-Crankcase cover gasket 70-1710002 70-Bearing 205(GB/T276-94) GBT276-94 27 78-1710003 (6203) 78-Bearing 206 (GB/T276-94) 86-1710004 86-Bearing 207 (GB/T276-94) GB119-8618X12 28 1711111 Retaining pin 8x12 (GB119-2001) 29 78/86-17080 78/86-oil guide KM170F-01016 70-1701901 70-Crankcase cover KM178F-01014 30 78-1701902 78-Crankcase cover HD86-01014 86-1701904 86-Crankcase cover M170F-01009/KM178F/186F 31 17133 (01017/9) Inner Hexagon Plug G1/8" Local 32 70-1710062 Anti-loosing bolt M6x27 JB/T4110-1985 5 78/86-1710083 Anti-loosing bolt M8x33.5 JB/T 4110-1985 6 JB2600-80/25x4 70-1711701 Front oil seal 25 x 42 x 10 KM178F-30 x 45 x 1 33 78-1711703 Front oil seal 30 x 45 x 10 GB9877.1-88 86-1711705 Front oil seal 35 x 50 x 10 Regulator 34 ES1801045 Regulator for diesel Etric Start HD70-0101450 70-1701801 70-Main Bushing (50mm) HD78-0101450 35 78-1701802 78-Main Bushing (50mm) HD86-0101450 86-1701803 86-Main Bushing (50mm) KM170FS-01016 70FS-1801136 70-Front side crankcase cover KM178FS-01014 36 78FS-1801236 78-Front side crankcase cover KM186FS-01016 86FS-1801336 86-Front side crankcase cover JB2600-80/25x4 70FS-1801137 70-Front side oil seal 25X42X10 Piece 8 KM178F-30x45x1 37 78FS-1801237 78-Front side oil seal 30X45X10 Piece 8 GB9877.1-88 86FS-1801337 86-Front side oil seal 35x50x10 Piece 8 KM170F/KM178F/KM186F 38 1711602 (03009/15/21) Aluminium Plug Φ 8x8 MS20-0097010 39 ES1801041 Flat washer 10 (GB/T97.1-1985 MS15-093010 40 ES1801042 Spring washer 10 (GB/T93-87) GB5787-86/6x12 41 1710712 Heterotypic bolt M6X12(GB/T16674-1996) 42 180144 Support of regulator HDX12-KSS 43 1801055 Start switch assembly 2
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Table 2. Part listing for cylinder head assembly. Please refer to Fig 2. Code Names of Parts Unit Qty GB5787-86/6X55 1710755 M6 x 55 Flanged Bolt (GB5789-86) GB5787-86/6X70 1 1710730 M6 x 70 Flanged Bolt (GB5789-86) PT1802001 Bolt for cylinder head (power tiller type only) KM186F-03016 2 17142 Oiling screw plug KM170F/178F/186F-03100 3 17139 Decompression shaft GB1235-76/10X1 4 1711310 'O' Ring 10 x 1.9 (GB1235-76) KM178F/186F-03004 5 17140 Decompression shaft spring GB119-86/3X16 6 1711103 Retaining pin 3 x 16 (GB119-2000) HD70/78-03001 7 70/78-17066 78/78-Cylinder head cover HD86-03001 86-1706603 86-Cylinder head cover KM170F/178F-03003 70/78-17170 70/78-Cylinder head cover gasket 8 KM186F-03003 86-1717001 86-Cylinder head cover gasket KM178F-02200 70/78-17168 Rocker arm support c/w rockers 9 KM186F-02012 86-1716801 86-Rocker arm assy KM170F-02017 70/78-170745 KM178F-02012 10 Rocker arm shaft fastening bolt KM186F-02017 86-1716901 70-1705201 Goes with rocker arm assy 11 78-1705202 Adjusting valve spacer 86-1705203 KM170F/178F-V/Cap 12 70-1702701 Piece 4 78-1702702 Valve clip/cap Piece 4 KM186F-V/Cap 86-1702703 Piece 4 KM170F-02002 70-1702801 Piece 4 KM178F-02014 78-1702802 Valve spring seat 13 KM186F-02002 86-1702803 KM170F-02005 70-1702901 KM178F-02001 14 78-1702902 Valve spring KM186F-02005 86-1702903 HD70-02019 70-1702003 HD78-02019 15 78-1702004 Valve guide oil seal HD86-02019 86-1702100 4
Code Names of Parts Unit Qty KM170F-02007 70-1802116 KM178F-02007 16 78-1802216 Valve spring washer KM186F-02007 86-1802316 GB119-8614X8 17 1711104 Pin 4 x 8 (GB119-2000) GB899-88/8X20 18 1710920 Double ended stud AM8 x 20 (GB899-88) HD70-02202 70-1702403 HD78-02101 19 78-1702402 Cylinder Head KM186F-02202 86-1702404 GB900-88/6X55 70/78-1710955 Double ended bolt AM6 x 55 (GB900-88) 20 GB900-88/6X75 86-1710956 Double ended bolt AM6 x 75 (GB900-88) KM170F-02003 70-1702501 KM178F-02017 21 78-1702601 Intake valve KM186F-02003 86-1702503 KM170F-02004 70-1702502 KM178F-02016 22 78-1702602 Exhaust valve KM186F-02004 86-1702605 GB6177-86 23 1710103 M6 (GB6177-86) Nut 24 1717302 Fuel injector pressure plate 25 1724502 Fuel injector adjusting gasket 1712201 Fuel injector fastened bolt AM6X50 26 70-1802126 70-fastened bolt of fuel injector M6X45 Local 78-1802226 78-fastened bolt of fuel injector M6X42 86-1802326 86-fastened bolt of fuel injector M6X36 M170F/KM178F/KM186F- 0306??? 27 16141 Breather assembly GB3452.1-92/12??? 28 1711312 'O' Ring 12 x 1.9 29 PT1802029 Tricom cover (power tiller type only) 30 PT1802030 Decorative cover (power tiller type only) 31 PT1802031 Large flat washer 32 PT1802032 Bolt of decorative cover 5
Table 3. Please refer to Fig 3 for a complete illustration of the parts Code Names of Parts Unit Qty KM170F-04100 70-1701403 KM178F-04100 1 78-1701402 Piston ring group HD86-04100 86-1701404 GB893.1-86 70-1701601 Retainer clip of piston pin Φ19 GB893.1-178 2 78-1701602 Retainer clip of piston pin Φ 21 GB893.1-186 86-1701603 Retainer clip of piston pin Φ 23 HD70-04003 70-1701200 KM178F-04003 3 78-170202 Piston HD86-04003 86-170204 6
Code Names of Parts Unit Qty HD70-04003 70FS-1803103 70FS-Piston KM178F-04003 3 78FS-1803203 78FS-Piston HD86-04003 86-FS-1803303 86FS-Piston KM170F-04004 70-1701701 KM178F-04004 4 78-1701702 Piston Pin KM186F-04004 86-1701703 HD70-04007 70-1701301 HD78-04007 5 78-1701302 Connecting rod body HD86-04007 86-1701303 HD70-04005 70-1701501 KM78F-04005 6 78-1701502 Connecting rod bush HD86-04005 86-1701503 GBT276-94 7 70-1710001 70/78-Bearing 202 (GB/T276-94) 86-1710000 86-Bearing 203 (GB/T276-94) KM170F-05301 70-1706501 KM178F-05301 8 78-1706502 Balancing shaft KM186F-05301 86-1706503 9 1710507 Key 5 x 7 (GB1096-2003) KM170F-05004A 70-1707701 KM178F-05004A 10 78-1707702 Balancing shaft timing gear KM186F-05004 86-1707703 11 1803011 Bolt (for F shaft - diesel engine) KM170F-05203 70-1700801 KM178F-05203 12 78-1700802 Crankshaft timing gear KM186F-05203 86-1700803 GB1096-7915X12 13 1710512 Key 5 x 12 (GB1096-2003) GB1096-7915X14 13A 1710514 Key 5 x 14 (GB1096-2003) GB1096-7915X30 70-1710530 Key 5 x 30 (GB1096-2003) 14 GB1096-7916x63 78/86-1710563 Key 6 x 63 (GB1096-2003) 70-1700601 See attached list 15 78-1700701 See attached list Crankshaft 86-1700708 16 1711601 Plug 6 x 8 HD70-06002 70-170-7801 HD78-06002 17 78-1707802 (17) Crank shaft timing gear KM186F-06002 86-1707803 KM170F-05101 70-1704400 KM178F-05101 78-1704404 Flywheel KM186F-05101 18 86-1704409 KM170FS-05101 70FS-1803118 70FS-Flywheel HD78FS-05101 78FS-1803218 78FS-Flywheel HD86FS-05101 86FS-1803318 86FS-Flywheel 7
(15) CRANKSHAFT KM170FP-05006 (water pump threaded) KM170FG-05006 (SA taper) KM178FG-05006 (Kama tapped) KM178FP-05006 (water pump threaded) KM186FG-05006 (Kama taper) KM186FP-05006 (pump shaft) KM186F-05210 (parallel with keyway) 8
Code Names of Parts Unit Qty KM170F/178F-05003 19 70/78-17156 Flywheel nut washer KM186F-05003 86-1715601 KM170F/178F-05002 20 70/78-17155 Nut flywheel KM186F-05002 86-1715501 KM170FE-R/Gear 70-1704501 HD78E-R/Gear 78-1704502 Flywheel gear ring (for electric start) HD86E-R/Gear 86-1704504 21 KM170FE-R/Gear 70FS-1803121 70FS-lywheel gear ring (for electric starter) HD78E-R/Gear 78FS-1803221 78FS-flywheel gear ring (for electric starter) HD86E-R/Gear 86FS-1803321 86FS-flywheel gear ring (for electric starter) 22 70/78-1803122 Sleeve of fuel pump rod 86-1803322 KM170F-06100 70-1705101 23 KM178F-06100 78-1705102 Push rod KM186F-06100 86-1705103 KM178F-06003 70/78-17157 24 Tappet KM186F-06003 86-171501 GB1096-7915X14 70/78-1710514 Key 5 x 14 (GB1096-2003) 25 GB1096-7914X12 86-1710504 Key 4 x 12 (GB1096-2003) KM170F-06001 70-1701001 KM178F-06001 78-1701002 Camshaft KM186F-06001 86-1701000 KM170FS-CAMSHF 70FS-1803126 70FS-Camshaft KM178FS-CAMSHF 26S 78FS-1803226 78FS-Camshaft KM186FS-CAMSHF 86FS-1803326 86FS-Camshaft HD70-06002 70-1701101 HD78-06002 27 78-1701102 Camshaft timing gear HD86-06002 86-1701103 KM170FS-05006 70FS-1803115 70FS-Crankshaft KM178FS-05006 28 78FS-1803215 78FS-Crankshaft KM186FS-05006 86FS-1803315 86FS-Crankshaft 29 78-1710545 Key 8 x 45 (GB1096-2003) camshaft key 30 1801030 Flywheel alternator 31 PT1803031 Flange (power tiller type only) 32 PT1803032 Bolt of silencer 33 PT1803033 Flat washer of bolt to silencer 34 PT1803034 Flat washer of inner hexangular bolt Piece 4 35 PT1803035 Inner hexangular bolt Piece 4 9
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Table 5. Please refer to Fig 5 for a complete illustration. Code Names of Parts Unit Qty GB5787-86/6X12 1710712 Heterotypic bolt M6 x 12 (GB16674-96) 1 GB5787-86/6X12 1805301 78/86-heterotypic bolt M6x12 (GB16674-96) KM170F/178/09001 2 70-17187 Oil filter cover KM170F-09002 3 70-17188 Oil filter cover gasket GB1235-76/25X2 4 70-1711314 Sealing Ring 25X2.4 KM178F/170F/186F-09200 5 70-1702101 Oil filter assembly GB5787-8616X12 6 1710712 Heterotypic bolt M6 x 12 (GB16674-96) Piece 3 KM170F/178/186F-09001 7 17022 Oil pump cover 8 1711334 'O' ring 34.5 x 1.8 (GB3452.1-82) KM170F/178F-09101 70/78-17135 'O' ring 34.5 x 1.8 (GB3452.1-82) KM170F/178F-09101 70/78-17135 9 Oil pump KM186F-09001 86-1713501 GB119-8613X16 10 1711103 Pin 3 x 16 (GB119-2000) GB5787-8616x12 1805011 70-heterotypic bolt M6 x 12 (GB5789-86) GB5787-86/6X14 11 1710714 78/86 heterotypic bolt M6 x 14 (GB5789-86) KM178/186F 09200. 05203 12 78/86-1702103 78/86-Oil filter cleaning equipment GB1235-76125X2 13 78/86-1711316 Seal ring 20x2.65 14 78/86-17080 Oil Guide KM170F-09004 70-1702301 15 Oil pump driving gear KM178/186F-09002 78/86-1702302 KM170F/178/186F-11002 16 17132 Fly block pin KM170F/178/186F-11001 17 17131 Fly bock KM170F/178/186F-11004 18 17234 Governor fork tappet 19 17125 Lever shaft gasket GB290-89/941/8 20 1710009 Bearing 7941/8 (GB290-64) KM170F-178F-11000 21 70-1700501 78-1700502 Fork lever assembly KM186F-11000 86-1700503 22 17124 Washer KM170F/178F-11200 70/78-17126 23 Fuel controller KM186F-11200 86-1712601 KM178F/186F-11311 24 17164 Handle bracket HD78-11401-/Assy 25 17167 Speed-control lever GB5787-86/16X14 26 1710714 Heterotypic Bolt M6 X 14 (GB5787-86) GB5787-86/6X14 27 1710714 Heterotypic Bolt M6 x 14 (GB5787-86) 28 1805028 Lead seal KM170/178/186F-11006 29 17162 Return spring KM186F-11005 30 17161 Return spring KM170/178F-11007 31 70-17160 78-17160 Speed-control spring Piece 3 86-1716001 11
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Table 4. Fuel system parts; please refer to Fig 4 for a complete illustration. Code Names of Parts Unit Qty GB5787-86/8X45 1 1710745 Bolt M8 x 45 (GB5787-86) KM170F-10003 2 17185 Upper fuel tank bracket fastening bolt KM170/178/186F-11003 3 1710208 Flat washer 8 (GB97.1-85) KM170F-10001 70-1705801 KM178F-10001 4 78-1705802 Upper fuel tank bracket KM186F-10001 86-1705803 HD70/H78 70/78-1804105 Injector (china type) HD86-13000 5 86-1804305 B1804005 Bosch injector KM170/178/186F-10013 6 17212 Fuel leak-off pipe connection Φ9 KM170F-10012 70-1804106 KM178F-10012 7 78-1804206 Fuel leak-off pipe KM186F-10012 86-1804306 KM170F/178F/186F-10002 8 17184 Shock absorbing pad of fuel tank Piece 4 KM170F-10200 70-1704201 KM178F-10200 9 78-1704202 Fuel tank KM186F-10200 86-1704203 KM170/178/186F-10011 10 1804010 Fuel pipe connection Φ 7 KM170F-10009 70-1804111 KM178F-10009 11 78-1804211 Fuel pipe KM186F-10009 86-1804311 KM170F/178F/186F-10008 12 17151 Fuel drain gasket Φ 6 (GB6177-86) GB5786-86/12X1 13 17152 Fuel drain plug (in the fuel tank) KM170F/178F/186F-10600 14 17183 Lower fuel tank bracket GB5783-86/6X15 15 1710714 Bolt M6 x 14 (GB5787-96) GB6177-86 16 1710103 Nut M6 (GB6177-96) GB9711-8516 17 1710206 Flat washer Φ6 (GB97.1-85) KM170F/178F/186F-10400 18 17150 Fuel tank cock assembly GB3452-92/13.2 19 17154 Gasket of fuel tank cock KM170/178/186F-10011 20 1719403 Fuel pipe clamp Φ 13 KM170F-10009 70-1804121 KM178F-10009 21 78-1804221 Fuel oil pipe KM186F-10009 86-1804321 KM186F-10007 22 17148 Fuel filter gasket KM170F-10300 70-1704301 KM178F-10300 23 78-1704302 Fuel filter element KM186F-10300 86-1704303 HD78-12000 70/78-1704702 24 Fuel injector pump HD86-12000 86-1704700 HD70-10500 70-1705601 HD78-10500 25 78-1705602 High pressure fuel pipe HD86-10500 86-1705603 KM170H178F/186F-10004 26 17146 Fuel oil filter HD70/86-10100 27 17153 Fuel tank cap assembly 28 1705302 70/78-Fuel injector cap (china type only) 13
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Table 6. Please refer to Fig. 6 for illustration. Code Names of Parts Unit Qty HD70-14000 70-1703401 HD78-14000 1 78-1703402 Recoil case assembly HD86-14000 86-1703404 KM170FS-14000 70FS-1806101 170FS case assembly KM178FS-14000 1S 78FS-1806201 178FS case assembly KM186FS-14000 86FS-1806301 186FS case assembly GB5787-86/6X8 2 1710708 Bolt M6 x 8 (GB5789-1996) Piece 4 KM170F-14008 70-1703501 KM178F-14005 3 78-1703502 Recoil starter rope KM186F-14005 86-1703503 KM170F-14001 70-1703801 4 Recoil starter handle KM178F-14007 78-1703802 HD70-14009-HD78-14009 70/78-1703301 5 Flat spiracle spring HD86-14009 86-1703303 HD70-14001 70-1703201 HD78-14001 6 78-1703202 Recoil reel HD86-14001 86-1703203 HD86-14001 86-1703203 HD70-14008 70-1704003 7 Starting claw HD78/86-14008 78/86-1704005 HD70-14002 70-17218 8 Helical spring HD78/HD86-14002 78/86-1721801 HD70-14005 70-17219 9 Torsional sprint HD78186-14005 78/86-17219001 HD70-14006 70-1704004 10 Starting claw plate HD78/HD86-14006 78/86-1704006 Y40/Y60-1143312000 70-17039 11 Friction plate nylon washer KM178F/186F-14002 78/86-1703902 70-1703903 12 Friction plate gasket Local 78/86-1703803 13 1710306 Spring washer GB6177-86 14 1710106 Nut M6 (GB6170-86) GB5787-8616X12 15 1710712 Bolt M6 X 12 (GB6170-86) Piece 3or4 HD70-05001 70-1705701 HD78-05001 16 78-1705702 Starter cup HD86-05001 86-1705703 HD70-17100 70-1704101 HD78-17100 17 78-1704102 Fan case HD86-17100 86-1704105 HD70-17100 70FS-1806117 70FS Fan case HD78-17100 17S 78FS-1806217 78FS Fan case HD86-17100 86FS-1806317 86FS Fan case GB5787-8616X22 18 170622 Bolt M6 X 22 (GB5783-2000) Piece 4 GB97.1-8516 19 1710207 Washer M6 (GB90-85) Piece 4 KM170F/178/186F-17001 20 17145 Collar fan case Piece 4 KM170F/178/186F-17002 21 17143 Rubber cushion fan case Piece 4 15
Table 6. Please refer to Fig. 6 for illustration (continued). Code Names of Parts Unit Qty KM170F-17003 70-1806122 KM178F-17003 22 78-1806222 Fan case seal KM186F-17003 86-1806322 23 78/86-17127 78/86 Shock isolation piece of wind leading plate 24 78/86-17129 78/86 Collar of wind leading plate 25 78/86-17128 78/86 Pad 70-1700401 KM178F-01211 26 78-1700402 Cylinder Cover KM186F-01211 86-1700403 GB5787-86/6X12 70-1710712 Bolt M6 x 12 (shaped piece) 27 GB5787-86/6X18 78/86-1710718 Bolt M6 x 16 (shaped piece) 16
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Table 7. Please refer to Fig 7 for a complete illustration Code Names of Parts Unit Qty KM170F-02014 70-1703101 KM178F-02006 1 78-1703102 Intake pipe gasket KM186F-02014 86-1703103 KM170F-07401 70-1703001 KM178F-07401 2 78-1703002 Intake pipe KM186F-07401 86-1703003 70PT-1807102 2s 78PT-1807202 Intake pipe (power tiller type only) 86PT-1807302 KM170F-07001 70/78-17175 Piece 3 3 Air cleaner gasket KM186F-07001 86-1717501 70PT-1807103 Air cleaner gasket (power tiller type only) 3s 78PT-1807103 KM178F-07402 70/78-1807104 70/78-fasten bolt for air cleaner 4 GB900-88/8X20 86-1807304 86-fasten bolt for air cleaner GB5787-86/6X22 70/78-1807105 70/78-Heterotypic bolt M6X22 (GB5789-96) 5 GB5787-86/6X25 86-1807305 86-Heterotypic bolt M6 x 25 (GB5789-96) KM170F/178F-07000 70/78-17174 6 Air filter assembly KM186F-0700 86-1717401 GBT6170-8616 7 1710103 Heterotypic Nut M6 (GB6177-86) HD70/HD78-07100 70/78-1717602 8 Air filter element HD86-07100 86-1717601 (KM170F-02015) KM178F-02005 70/78-17186 9 Muffler gasket KM186F-02015 86-1718601 HD70-08000 70-1705401 HD78-08000 78-1705402 Muffler assembly HD86-08000 86-1705403 10 70PT-1807110 78PT-1807210 Muffler assembly (power tiller type only) 86PT-1807310 GB97.1-85/8 11 1710208 Flat washer Φ 8 GB93-8 12 1710308 Spring washer Φ 8 GB6170-8618 13 1710108 Nut M8 (GB6170-86) GB5783-8618x15 1710714 70/78-heterotypic bolt M8x14(GB5789-96) 14 GB5787-M18X20 1804014 86-heterotypic bolt M8x16 (GB5789-86) 15 70-1705501 Muffler screen cover 78-1705502 Refer muffler assy 86-705503 GB5787-8614X14 16 1710708 Bolt M6 X 14 (GB5789-86 HD70/HD78-08ED 70-78-1705404 17 Muffler tail pipe HD86-08ED 86-1705406 KM170F/178F-07203 70/78-1719 18 Sealing ring of shock proof KM186F-07203 86-1718002 HD70/78-07200 70/78-17180 19 Bottom case assembly of air cleaner KM186F-07200 86-1718003 KM170/8F-07203A 70/78-17178 20 Sealing ring of shock proof KM186F-07203 86-1718001 HD70-17181 70/78-17181 21 Air filter shock absorber HD86-1718101 86-1718101 18
Code Names of Parts Unit Qty GBT6170/86/6 70/78-1720103 70/78-Heterotypic nut M6(GB/T6170) 22 GBT6175-2000/8 86-1710114 86-Heterotypic nut M8 (GB/T6170) HD70/78-17181 70/78-1807123 23 Air filter shock absorber (square) HD86-1718101 86-1807323 GB97.1-85/6 24 17177 Washer GB62-88/6 70/78-1710107 Butterfly nut M6 25 GB62-88/8 86-1710109 Butter nut M8 Code Names of Parts Unit Qty KM170F-07005 70-1807126 1 78-1807226 Oil bath air cleaner assembly 86-1807326 2 70-180127 Cover of oil bath air cleaner 78/86-1807327 3 70-1807128 The welding part 78/86-187328 4 70-1807129 Protection shim 78/86-1807329 5 70-1807130 Seal ring B 78/86-1807330 6 70-1807131 Thin filter 78/86-1807331 7 70-1807132 Rude filter 78/86-1807332 8 70-1807133 Regurgitate plate 78/86-1807333 9 70-1807134 Seal ring A 78/86-1807334 10 70-1807135 Oil plate 78/86-1807335 11 70-1807136 Fasten ring 78/86-1807336 70-1807127 70-connector of intake pipe HD78FS-07201 12 78-1807227 78-connector of intake pipe 86-1807327 86-connector of intake pipe 13 1807028 Bolt of intake pipe Piece 3 19
Fig 8. Exploded view of fuel pump assembly Table 8. Please refer to Fig 8 for a complete illustration. Code Names of Parts Unit Qty 1 70/78-1808101 Piece Delivery holder 86-1807301 Piece 1 2 70/78-1808102 86-1807302 Delivery spring 3 70/78-1808103 86-1807303 Delivery gasket 4 70/78-1808104 86-1807304 Delivery valve 5 70/78-1808105 86-1807305 Seat of delivery valve 6 70/78-1808106 86-1807306 Plunger 7 70/78-1808107 86-1807307 Adjusting gasket 8 70/78-1808108 86-1807308 Connecting plate of pump body 9 70/78-1808109 86-1807309 Circlip 10 70/78-1808110 86-1807310 Control lever assembly 11 70/78-1808111 86-1807311 Spring seat 12 70/78-1808112 86-1807312 Pin of sleeve 13 70/78-1808113 86-1807313 Pump spring 14 70/78-1808114 86-1807314 Seat of pump spring HD70-12000/HD78-12000 70/78-1808115 15 HD86-12000 86-1807315 Fuel pump assembly 16 70/78-1808116 86-1807316 Nut M6 20
Power tiller type handle assembly Picture Code Names of Parts Unit Qty 1 1710714 Heterotypic Bolt M6X14 (GB5787-86) 2 17162 Return spring 3 1805043 Heterotypic bolt M6X27 (GB5787-86) KF/VSP Assy 4 1805044 Spring washer Variable speed Control Assly 5 1805045 Power tiller type handle HD/VSP-110SPR 6 1805045 Pressure spring KM186F-11005 Description: 70-1805146 Power tiller type speedcontrol Variable speed 7 78-1805246 control assly no 86-1805346 spring 8 1805046 Handle part 21
FG handle assembly Picture Code Names of Parts Unit Qty 1 17162 Return spring 70-17160 2 78-17160 Speed-control spring Piece 3 86-1716001 3 1710645 Bolt M6X45(GB6172-86) 4 1710111 M10X1.25 nut 5 1706701 FG Lever GFL-S/Handle 6 1706901 FG governor spring 7 1710714 Heterotypic Bolt M6x14(GB5789-86) 8 1710106 Nut M6 (GB39-88) 9 1716801 Washer 10 1730720 Shaft handle FG handle assembly Picture Code Names of Parts Heterotypic Bolt 1 1710714 M6 x 14 (GB5787-86) Unit Qty 2 17161 Return spring 70-17160 Speed-control HD70/78/86-11301 3 78-17160 spring Piece 3 86-1716001 Second gear Description/Speed 4 1805040 parts Control Assly w/o springs Spring of 5 1805041 second gear 6 1805042 Spring washer Heterotypic bolt 7 1805043 M6x27(GB5787-86) 8 1805044 Spring washer Heterotypic Bolt 9 1710714 M6x14 (GB5787-86) KM170F/ 178/186F- 11006 KM170F/ 178F-11007 HD70-11301/SPR 22