Buhler FK366 warranty Bolt Torque, English Torque Specifications

Page 27

45 Series Rotary Tiller

BOLT TORQUE

CHECKING BOLT TORQUE

The tables shown below give correct torque values for various bolts and cap screws. Tighten all bolts to the torques specified in chart unless otherwise noted. Check tightness of bolts periodically, using bolt torque chart as a guide. Replace hardware with the same strength bolt.

ENGLISH TORQUE SPECIFICATIONS

 

Bolt

 

 

Bolt Torque *

 

 

 

 

Diameter

SAE2

SAE 5

SAE 8

 

"A"

N.m

(lb-ft)

N.m

(lb-ft)

N.m

(lb-ft)

 

¼”

8

(6)

12

(9)

17

(12)

 

5/16"

13

(10)

25

(19)

36

(27)

 

3/8"

27

(20)

45

(33)

63

(45)

 

7/16"

41

(30)

72

(53)

100

(75)

 

 

½”

61

(45)

110

(80)

155

(115)

 

9/16"

95

(70)

155

(115)

220

(165)

 

 

5/8”

128

(95)

215

(160)

305

(220)

 

 

¾”

225

(165)

390

(290)

540

(400)

 

7/8"

230

(170)

570

(420)

880

(650)

 

1"

345

(225)

850

(630)

1320

(970)

 

Torque figures indicated above are valid for non-greased or non-oiled threads and heads unless otherwise specified. Therefore, do not grease or oil bolts or cap screws unless otherwise specified in this manual. When using locking elements, increase torque values by 5%.

* Torque value for bolts and cap screws are identified by their head markings.

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