Inch Hardware And Locknuts - New Holland LB75.B Service Manual

12
NOMINAL
SIZE
1/4
5/16
3/8
7/16
1/2
9/16
5/8
3/4
7/8
1
SECTION 00 - MAINTENANCE - CHAPTER 1
MINIMUM HARDWARE TIGHTENING TORQUES
IN FOOT POUNDS - LBF. FT (NEWTON-METRES - Nm)
FOR NORMAL ASSEMBLY APPLICATIONS
INCH HARDWARE AND LOCKNUTS
SAE GRADE2 SAE GRADE 5 SAE GRADES LOCKNUTS
UNPLATED PLATED UNPLATED PLATED UNPLATED PLATED GR.B GR.C
or W/ZnCr or W/ZnCr or W/ZnCr w/GR5 w/GRS
PLATED PLATED PLATED BOLT BOLT
SILVER GOLD SILVER GOLD SILVER GOLD
55* (6.2) 72* (8.1) 86* (9.7) 112* (13) 121* (14) 157* (18) 61* (6.9) 86* (9.8)
115* (13) 149* (17) 178* (20) 229* (26) 250* (28) 324* (37) 125* (14) 176* (20)
17 (23) 22 (30) 26 (35) 34 (46) 37 (50) 48 (65) 19 (26) 26 (35)
27 (37) 35 (47) 42 (57) 54 (73) 59 (80) 77 (104) 30 (41) 42 (57)
42 (57) 54 (73) 64 (87) 83 (113) 91 (123) 117 (159) 45 (61) 64 (88)
60 (81) 77 (104) 92 (125) 120 (163) 130 (176) 169 (229) 65 (88) 92 (125)
83 (112) 107 (145) 128 (174) 165 (224) 180 (244) 233 (316) 90 (122) 127 (172)
146 (198) 189 (256) 226 (306) 293 (397) 319 (432) 413 (560) 160 (217) 226 (306)
142 (193) 183 (248) 365 (495) 473 (641) 515 (698) 667 (904) 258 (350) 364 (494)
213 (289) 275 (373) 547 (742) 708 (960) 773 (1048) 1000 (1356) 386 (523) 545 (739)
NOMINAL
SIZE
1/4
5/16
3/8
7/16
1/2
9/16
5/8
3/4
7/8
1
NOTE: Torque values shown with
*
are inch pounds.
IDENTIFICATION
CAP SCREWS AND CARRIAGE BOLTS
0
SAE GRADE2 SAE GRADES SAE GRADES
REGULAR NUTS SAE GRADE 5 SAE GRADE S
HEX NUTS HEX NUTS
LOCKNUT$
GRADE IDENTIFICATION
GRADE A NO NOTCHES
GRADE B ONE CIRCUMFERENTIAL NOTCH
GRADE C TWO CIRCUMFERENTIAL NOTCHES
•
GRADE IDENTIFICATION
GRADE A NO MARKS
GRADE B THREE MARKS
GRADE C SIX MARKS
MARKS NEED NOT BE LOCATED
AT CORNERS
GRADE A NO MARK
GRADE B LETTER B
GRADE C LETTER C
GRADE IDENTIFICATION
604.56.061.00 09/2000 LB 75-115