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Because damage can occur to safety decals either through shipment, use or reconditioning, Bush Hog will, upon request, provide safety decals for any of our products in the field at no charge. Contact your authorized Bush Hog dealer for more information. Part No. 78413 Part No. 78608 Part No. 60873 Part No. 81067 PartNo.78786 15 TORQUE SPECIFICATIONS Proper toque for American fasteners used on Bush Hog equipment. Recommended Torque in Foot Pounds (Newton Meters).* AMERICAN Bolt Head Markings Wrench Size “A” BOLTDIAMETERWRENCH(IN.)“B”ANDSAESAESAESIZE(IN.)“A”THREADSIZEGRADE2GRADE5GRADE87/161/4-2OUNC6(7)8(11)12(16) 7/161/4-28UNF6(8)10(13)14(18) 1/25/16-18UNC11(15)17(23)25(33) 1/25/16-24UNF13(17)19(26)27(37) 9/163/8-16UNC20(27)31(42)44(60) 9/163/8-24UNF23(31)35(47)49(66) 5/87/16-14UNC32(43)49(66)70(95) 5/87/16-20UNF36(49)55(75)78(106) 3/41/2-13UNC49(66)76(103)106(144) 3/41/2-20UNF55(75)85(115)120(163) 7/89/16-12UNC70(95)109(148)153(207) 7/89/16-18UNF79(107)122(165)172(233) 15/165/8-11UNC97(131)150(203)212(287) 15/165/8-18UNF110(149)170(230)240(325) 1-1/83/4-10UNC144(195)266(360)376(509) 1-1/83/4-16UNF192(260)297(402)420(569) 1-5/167/8-9UNC166(225)430(583)606(821) 1-5/167/8-14UNF184(249)474(642)668(905) 1-1/21-8UNC250(339)644(873)909(1232) 1-1/21-12UNF274(371)705(955)995(1348) 1-1/21-14UNF280(379)721(977)1019(1381) 1-11/161-1/8-7UNC354(480)795(1077)1288(1745) 1-11/161-1/8-12UNF397(538)890(1206)1444(1957) 1-7/81-1/4-7UNC500(678)1120(1518)1817(2462) 1-7/81-1/4-12UNF553(749)1241(1682)2013(2728) 2-1/161-3/8-6UNC655(887)1470(1992)2382(3228) 2-1/161-3/8-12UNF746(1011)1672(2266)2712(3675) 2-1/41-1/2-6UNC870(1179)1950(2642)3161(4283) 2-1/41-1/2-12UNF979(1327)2194(2973)3557(4820) BoltDiameter“B” SAEGrade8(6Dashes) SAEGrade2(NoDashes) SAEGrade5(3Dashes) NumbersappearingonboltheadsindicateASTMclass. METRICWrenchSize“A”8.8BoltDiameter“B” *Use 75% of the specified torque value for plated fasteners. Use 85% of the speci- fied torque values for lubricated fasteners. Proper torque for metric fasteners used on Bush Hog equipment. Recommended torque in foot pounds (newton Meters).* —WRENCH SIZE (mm) “A” BOLT DIA. (mm) “B” ASTM 4.6 ASTM 8.8 ASTM 9.8 ASTM 10.9 8 5 1.8 (2.4) 5.1 (6.9) 6.5 (8.8) 10 6 3 (4) 8.7 (12) 11.1 (15) 13 8 7.3 (10) 21.1 (29) 27 (37) 16 10 14.5 (20) 42 (57) 53 (72) 18 12 25 (34) 74 (100) 73 (99) 93 (126) 21 14 40 (54) 118 (160) 116 (157) 148 (201) 24 16 62 (84) 167 (226) 181 (245) 230 (312) 30 20 122 (165) 325 (440) 449 (608) 33 22 443 (600) 611 (828) 36 24 211 (286) 563 (763) 778 (1054) 41 27 821 (1112) 1138 (1542) 46 30 418 (566) 1119 (1516) 1547 (2096) 16 Supplemental Slip Clutch Instructions for the RTH, RTN & RTNR Tillers Bush Hog RTH, RTN and RTNR tillers may have either of two different types of slip clutches. The drivelines equipped with Belleville spring plates require a more precise measurement than the clutches equipped with external coil springs. The compression of the Belleville spring many need to be adjusted if the clutch slips with the original settings. Clutch slippage may occur from excessive tractor horsepower or ground speed. If clutch slips, stop the tractor and tighten the adjusting nuts one flat at each of the clutch bolts. Continue this process until the clutch stops slipping. Be sure to adjust the eight nuts equally. Find the proper settings for your model in the chart below. CAUTION: Failure to compress the Belleville spring plate to the correct measure- ment may cause damage to the implement and / or the tractor due to improper slip clutch torque settings Clutch Machines Settings Belleville Spring NM IN LBS Part NUMBER MM h IN FV32 RTN, RTNR RTH 640 900 5664 7965 367009860 367006860 17.2 18.2 .68” .72” 17 P.O. Box 1039 l llSelma, AL 36702-1039 Telephone (334) 874-2700 l ll...

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