Minimum Hardware Tightening Torques - New Holland TV145 Repair Manual

MINIMUM HARDWARE TIGHTENING TORQUES

IN FOOT POUNDS (NEWTON-METERS) FOR NORMAL ASSEMBLY APPLICATIONS
SAE GRADE 2
NOMINAL UNPLATED PLATED
SIZE or W/ZnCr
PLATED
SILVER
1/4 55* (6.2) 72* (8.1)
5/16 115* (13) 149* (17)
3/8 17 (23)
7/16 27 (37)
1/2 42 (57)
9/16 60 (81) 77 (104)
5/8 83 (112) 107 (145)
3/4 146 (198) 189 (256)
7/8 142 (193) 183 (248)
1 213 (289) 275 (373)
NOTE: Torque values shown with * are inch pounds.
SAE GRADE 2 SAE GRADE 5
GRADE IDENTIFICATION
GRADE A NO NOTCHES
GRADE B ONE CIRCUMFERENTIAL NOTCH
GRADE C TWO CIRCUMFERENTIAL NOTCHES
SECTION 00 – GENERAL INFORMATION
INCH HARDWARE AND LOCKNUTS
SAE GRADE 5
UNPLATED PLATED
or W/ZnCr
PLATED
GOLD SILVER GOLD
86* (9.7) 112* (13)
178* (20) 229* (26)
22 (30) 26 (35) 34 (46)
35 (47) 42 (57) 54 (73)
54 (73) 64 (87) 83 (113)
92 (125) 120 (163)
128 (174) 165 (224)
226 (306) 293 (397)
365 (495) 473 (641)
547 (742) 708 (960)
IDENTIFICATION
CAP SCREWS AND CARRIAGE BOLTS
SAE GRADE 8
LOCKNUTS
GRADE IDENTIFICATION
SAE GRADE 8
UNPLATED PLATED
or W/ZnCr
PLATED
SILVER GOLD
121* (14) 157* (18)
250* (28) 324* (37)
37 (50) 48 (65)
59 (80) 77 (104)
91 (123) 117 (159)
130 (176) 169 (229)
180 (244) 233 (316)
319 (432) 413 (560)
515 (698) 667 (904)
773 (1048) 1000 (1356)
REGULAR NUTS
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
00-16
LOCKNUTS
GR.B GR.C NOMINAL
w/GR5 w/GR8
BOLT BOLT
61* (6.9) 86* (9.8)
125* (14) 176* (20)
19 (26) 26 (35)
30 (41) 42 (57)
45 (61) 64 (88)
65 (88) 92 (125)
90 (122) 127 (172)
160 (217) 226 (306)
258 (350) 364 (494)
386 (523) 545 (739)
SAE GRADE 5 SAE GRADE 8
HEX NUTS
HEX NUTS
SIZE
1/4
5/16
3/8
7/16
1/2
9/16
5/8
3/4
7/8
1