Toro Groundsmaster 328-D, Service Manual

Page: 11 / 402

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o crew To
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arkings
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rew Torque - Class 8.8 Capscrew Torque - Class 10.9 rew To - Class 12.9
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Torque Specifications
Use these torque values when specific torque values specified values. Torque values listed are for lubricated
are not given. DO NOT use these values in place of threads. Plated threads are considered to be lubricated.
Capscrew Markings and Torque Values - U.S. Customary
SAE Grade Number 5 8
Capscrew Head Markings
Capscrew T rque - Grade 5 Caps rque - Grade 8
Capscrew Body Size Cast Iron Aluminum Cast Iron Aluminum
ft-lb Nm ft-lb Nm ft-lb Nm ft-lb Nm
1/4-20 7 9 6 8 11 15 9 12
-28 9 12 7 9 13 18 10 14
5/16-18 15 20 12 16 22 30 18 24
-24 17 23 14 19 24 33 19 25
3/8-16 30 40 20 25 40 55 30 40
-24 30 40 25 35 45 60 35 45
7/16-14 45 60 35 45 65 90 50 65
-20 50 65 40 55 70 95 55 75
1/2-13 70 95 55 75 95 130 75 100
-20 75 100 60 80 110 150 90 120
9/16-12 100 135 80 110 140 190 110 150
-18 110 150 85 115 155 210 125 170
5/8-11 135 180 110 150 190 255 150 205
-18 155 210 120 160 215 290 170 230
3/4-10 240 325 190 255 340 460 270 365
-16 270 365 210 285 380 515 300 410
7/8-9 360 490 280 380 550 745 440 600
-14 390 530 310 420 610 825 490 660
1-8 530 720 420 570 820 1100 660 890
-14 590 800 480 650 890 1200 710 960
Capscrew Markings and Torque Values – Metric
Commercial Steel Class 8.8 10.9 12.9
Capscrew Head M
Thread Capsc Capsc rque
Diameter Cast Iron Aluminum Cast Iron Aluminum Cast Iron Aluminum
mm ft-lb Nm ft-lb Nm ft-lb Nm ft-lb Nm ft-lb Nm ft-lb Nm
6 5 9 4 7 9 14 7 11 9 14 7 11
7 9 14 7 11 14 18 11 14 18 23 14 18
8 18 25 14 18 23 32 18 25 27 36 21 28
10 30 40 25 30 45 60 35 45 50 70 40 55
12 55 70 40 55 75 105 60 80 95 125 75 100
14 85 115 65 90 120 160 95 125 145 195 110 150
16 130 180 100 140 175 240 135 190 210 290 165 220
18 170 230 135 180 240 320 185 250 290 400 230 310
Groundsmaster
®
300 Series Page 2 - 3 Torque Specifications