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Manafacture: Troy-Bilt File size: 2.07 mb File name: Language of manual:

No. not used.................. 59 9300 Key-3/16" x 5/8“........................... 1 60 1233 Gear-fast speed pinion................ 1 TRANSMISSION HOUSING 78 2260 Housing-power unit transmission WHEEL SHAFT ASSEMBLY (incl. Ref. No. 79). Empty housing 61 9621 Seal-oil, wheel shaft.................... 2 without covers, shafts, gears, 62 9511 Retaining ring-external................ 2 seals, etc. Call Factory before 63 1166-1 Shim-wheel shaft, 1-1/64“ inner ordering)................................... 1 dia., .062“ thick......................... As 79 9359 Pin—alignment............................... 1 Req’d 63 1166-2 Shim-as above, .030" thick ...... As MISCELLANEOUS PARTS Req’d 80 9560 Bolt-hex hd., 1/2-13 x 2“ Grade 5. 2 63 1166-3 Shim-as above, .015" thick ....... As 81 9928 Washer-disc spring (concave), Req’d domed side faces bolt head....... 2 63 1166-4 Shim-as above, .010" thick ....... As 82 2126 Post-with threaded hole for Ref. Req’d No. 80........................................ 2 63 1166-5 Shim-same as above, .005" thick As 83 9726 Plug-pipe, 1/4".............................. 2 Req’d 84 9122 Plug-red plastic, thread protector. 1 64 1086 Bushing-bronze, wheel shaft 85 9205 Clip-forward interlock system plug bearing..................................... 2 connector (see page 7).............. 1 65 1878 Shaft-wheel, 15-5/8”, (Incl. two of 86 1900759 Decal-forward interlock wire Ref. No. 62 and one Ref. No. 66) 1 harness...................................... 1 66 9357 Key-Hi Pro, 1/4" x 1-3/4".............. 1 67 1223 Gear-slow speed, wheel drive...... 1 68 1232 Gear-fast speed, wheel drive....... 1 69 1237 Dog Clutch-wheel drive............... 1 70 1112 Pin—clutch guide, 1/4“ diameter... 3 11 MODELS 12068, 12069, 12070, 12071, 12087, 12087C, 12088, 12088C, 12089, 120890,12090, 12090C TILLER ATTACHMENT TRANSMISSION ASSEMBLIES (Figure 7) See Note 1 See Note 1 NOTE 1: THESE SCREWS HAVE A SPECIAL SEALING DESIGN THAT CAN N01 BE REUSED WITHOUT RISKING THE LOSS OF TRANSMISSION OIL. IF THESE SCREWS ARE LOOSENED OR REMOVED, THEY MUST BE REPLACED WITH NEW HARDWARE. MODELS 12068, 12069, 12070, 12071, 12087, 12087C, 12088, 12088C, 12089, 120890,12090, 12090C REF No. PART No. DESCRIPTION QTY. 1 1915087 Screw Kit, includes five (5) 1/4"-20 x 5/8" self-sealing screws.............................. As Req’d 2 20873 Cover—tiller housing..................... 1 3 1129-1 Gasket—tiller housing cover, .010”. As thick...........................................Req’d 3 1129-2 Gasket-same as above, .030" As thick...........................................Req'd 4 1901972 Shaft-tiller tine.............................. 1 5 97074 Ball Bearing................................... 2 6 1901976 Worm Gear-bronze, tiller tine shaft.......................................... 1 7 1104 Key—tiller tine shaft, woodruff key. 1 8 97073 Seal-oil, tiller tine shaft................. 2 TILLER DRIVE SHAFT ASSEMBLY 9 9500 Retaining Ring-external................................2 10 1909138 Dog Clutch—tiller drive shaft.......... 1 11 9301 Key-3/16" x1"............................... 1 12 2127 Spring-dog clutch......................... 1 13 1138-1 Shim-dog clutch, 1/16'"(.62") thick.. 1 14 1915089 Screw Kit, includes three (3) 1/4"-20 x 7/8" self-sealing screws..............................As Req’d 15 1900881010 Cap-rear bearing........................... 1 16 1124-2 Gasket-rear bearing cap............... 1 17 1224-1 Shim-front bearing cap, .010" As thick...........................................Req'd REF No. PART No. DESCRIPTION QTY. 17 1224-2 Shim-same as above, .030" As thick...........................................Req'd 17 1224-3 Shim-same as above, .005" As thick...........................................Req'd 17 1224-4 Shim-same as above, .062" As thick...........................................Req'd 18 1714 Bearing & Cup-sold as set only.... 2 19 11602 Shaft-main tiller drive (incl. an integral worm gear, plus two pressed-on cone roller bearings, two bearing cups (Ref. No. 18) and one shoulder washer................. 1 20 9617 Seal-oil, drive shaft, front............. 1 21 9517 Retaining Ring-internal................. 1 22 —- This Ref. No. not used.................. TRANSMISSION HOUSING AND DIPSTICK 23 1902000 Housing—tiller attachment (incl. pressed-on sleeve in front of housing). Empty housing without shafts, gears, seals, dipstick, etc. Call Factory before ordering....................... 24 1909157 Dipstick-oil, tiller attachment..... 13 MODELS 12068, 12069, 12070, 12071, 12087, 12087C, 12088, 12088C, 12089, 12089C,12090, 12090C BOLO TINE ASSEMBLIES (Figure 8) 14 MODELS 12068, 12069, 12070, 12071, 12087, 12087C, 12088, 12088C, 12089, 12089C, 12090, 12090C REF No. PART No. DESCRIPTION QTY. STANDARD TILLING TINES 2 3 4 5 6 1270-1A 1901975010 Tine Holder-we...

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