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No. Description 1690082 42” Rotary Mower Hitch Assembly Simplicity MANUFACTURING, INC. 500 N Spring Street / PO Box 997 Port Washington, WI 53074-0997 USA © Copyright 2002 Simplicity Manufacturing, Inc.All Rights Reserved. Rev. 03/2002 TP-4 00-2 623-00-AT-SMA 42” Rotary Mower Hitch Assembly NOTE: Unless noted otherwise, 1690082 use the standard hardware torque specification chart. The above parts group applies to the following Mfg. Nos.: 1690082 Hitch, Mower Deck © Copyright 2002 Simplicity Manufacturing, Inc. All Rights Reserved. 2 TP 400-2623-00-AT-SMA 42”Rotary Mower Hitch Assembly !EF NO. PART NO. QTY. DESCRIPTION 1 172468 1 ROCKER ARM ASSEMBLY 2 105051 2 SPACER 3 917279 2 CAPSCREW, Hex Head, 1/2-13 X 1-1/4 4 918430 2 WASHER 5 916966 2 LOCKWASHER 6 916951 2 NUT, Hex, 1/2-13 7 174189 1 PULLEY 8 922606 3 CAPSCREW, Hex Head, 3/8-16 X 1-3/4 9 916965 3 LOCKWASHER 10 176439 1 V-BELT 11 174845 1 DECAL, Installation Footnotes: The above parts group applies to the following Mfg. Nos.: 1690082 Hitch, Mower Deck TP 400-2623-00-AT-SMA 3 Hardware Identification & Torque Specifications Washer Lockwasher Hex Nut Common Hardware Types Hex Head Capscrew Carriage Bolt Standard Hardware Sizing When a washer or nut is identified as 1/2”, this is the Nominal size, meaning the inside diameter is 1/2 inch; if a second number is present it represent the threads per inch When bolt or capscrew is identified as 1/2 - 16 x 2”, this means the Nominal size, or body diameter is 1/2 inch; the second number represents the threads per inch (16 in this example, and the final number is the body length of the bolt or screw (in this example 2 inches long). The guides and ruler furnished below are designed to help you select the appropriate hardware and tools. 4 Inside Diameter 4 -NO 4 4 Torque Specification Chart FOR STANDARD MACHINE HARDWARE (Tolerance ± 20%) Hardware Grade SAE Grade 2 O SAE Grade 5 0 SAE Grade 8 Size Of Hardware in/lbs ft/lbs Nm. in/lbs ft/lbs Nm. in/lbs ft/lbs Nm. 8-32 19 2.1 30 3.4 41 4.6 8-36 20 2.3 31 3.5 43 4.9 10-24 27 3.1 43 4.9 60 6.8 10-32 31 3.5 49 5.5 68 7.7 1/4-20 66 7.6 8 10.9 12 16.3 1/4-28 76 8.6 10 13.6 14 19.0 5/16-18 11 15.0 17 23.1 25 34.0 5/16-24 12 16.3 19 25.8 27 34.0 3/8-16 20 27.2 30 40.8 45 61.2 3/8-24 23 31.3 35 47.6 50 68.0 7/16-14 30 40.8 50 68.0 70 95.2 7/16-20 35 47.6 55 74.8 80 108.8 1/2-13 50 68.0 75 102.0 110 149.6 1/2-20 55 74.8 90 122.4 120 163.2 9/16-12 65 88.4 110 149.6 150 204.0 9/16-18 75 102.0 120 163.2 170 231.2 5/8-11 90 122.4 150 204.0 220 299.2 5/8-18 100 136 180 244.8 240 326.4 3/4-10 160 217.6 260 353.6 386 525.0 3/4-16 180 244.8 300 408.0 420 571.2 7/8-9 140 190.4 400 544.0 600 816.0 7/8-14 155 210.8 440 598.4 660 897.6 1-8 220 299.2 580 788.8 900 1,244.0 1-12 240 326.4 640 870.4 1,000 1,360.0 NOTES These torque values are to be used for all hardware excluding: locknuts, self-tapping screws, thread forming screws, sheet metal screws and socket head setscrews. Recommended seating torque values for locknuts: a. for prevailing torque locknuts - use 65% of grade 5 torques. b. for flange whizlock nuts and screws - use 135% of grade 5 torques. Unless otherwise noted on assembly drawings, all torque values must meet this specification. 1/4” Bolt or Nut Wrench—7/16” 5/16” Bolt or Nut Wrench—1/2” 3/8” Bolt or Nut 7/16” Bolt or Nut 1/2” Bolt or Nut Wrench—9/16” Wrench (Bolt)—5/8” Wrench—3/4” Wrench (Nut)—11/16”...