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3 - Tightening torques: hydraulic unions with metric straight thread

Tensile grade ISO 6149-3

Thread Torque +10% / 0%

mm Nominal

M8 x 1 8 Nm

M10 x 1 15 Nm

M12 x 1.5 25 Nm

M14 x 1.5 35 Nm

M16 x 1.5 40 Nm

M18 x 1.5 45 Nm

M22 x 1.5 60 Nm

M27 x 2 100 Nm

M33 x 2 160 Nm

M42 x 2 210 Nm

M48 x 2 260 Nm

M60 x 2 315 Nm

4 - Tightening torques: hydraulic unions with straight thread in inches

Tensile grade SAE J 514

Thread Torque

Inch Min. Max.

5/16 - 24 UNF 8 Nm 9 Nm

3/8 - 24 UNF 11 Nm 12 Nm

7/16 - 20 UNF 18 Nm 20 Nm

1/2 - 20 UNF 23 Nm 26 Nm

9/16 - 18 UNF 29 Nm 33 Nm

3/4 - 16 UNF 49 Nm 53 Nm

7/8 - 14 UNF 59 Nm 64 Nm

1-1/16 - 12 UN 93 Nm 102 Nm

1-3/16 - 12 UN 122 Nm 134 Nm

1-5/16 - 12 UN 151 Nm 166 Nm

1-5/8 - 12 UN 198 Nm 218 Nm

1-7/8 - 12 UN 209 Nm 231 Nm

2-1/2 - 12 UN 296 Nm 325 Nm

1. Introduction

1-22

ACX2831410

Valtra A800R Workshop Service Manual

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