Minimum Hardware Tightening Torques - New Holland T7030 Operator's Manual

IN FOOT- -POUNDS (NEWTON METERS) FOR NORMAL ASSEMBLY APPLICATIONS
SAE GRADE 2
NOMINAL UNPLATED
SIZE or
PLATED
SILVER
1/4 55* (6.2)
5/16 115* (13)
3/8 17 (23)
7/16 27 (37)
1/2 42 (57)
9/16 60 (81)
5/8 83 (112)
3/4 146 (198)
7/8 142 (193)
1.0 213 (289)
NOTE: Torque values shown with * are inch pounds.
SAE
GRADE 2 GRADE 5
GRADE IDENTIFICATION
GRADE A NO NOTCHES
GRADE B ONE CIRCUMFRETIAL NOTCH
GRADE C TWO CIRCUMFRENTIAL NOTCHES
SECTION 7 - - SPECIFICATIONS

MINIMUM HARDWARE TIGHTENING TORQUES

INCH HARDWARE AND LOCKNUTS
SAE GRADE 5
PLATED UNPLATED
w/ZnCr or
PLATED
GOLD SILVER
72* (8.1) 86* (9.7)
149* (17) 178* (20)
22 (30) 26 (35)
35 (47) 42 (57)
54 (73) 64 (87)
77 (104) 92 (125)
107 (145) 128 (174)
189 (256) 226 (306)
183 (248) 365 (495)
275 (373) 547 (742)
IDENTIFICATION
CAP SCREWS AND CARRIAGE BOLTS
SAE SAE
GRADE 8
GRADE IDENTIFICATION
GRADE A NO MARK
GRADE B LETTER B
GRADE C LETTER C
SAE GRADE 8
PLATED UNPLATED
w/ZnCr or
PLATED
GOLD SILVER
112* (13) 121* (14)
229* (26) 250* (28)
34 (46) 37 (50)
54 (73) 59 (80)
83 (113) 91 (123)
120 (163) 130 (176)
165 (224) 180 (244)
293 (397) 319 (432)
473 (641) 515 (698)
708 (960) 773 (1048) 1000 (1356)
REGULAR
NUTS
LOCKNUTS
MARKS NEED NOT BE LOCATED
AT CORNERS
LOCKNUTS
PLATED GR.B
w/ZnCr w/GR5
BOLT
GOLD
157* (18) 61* (6.9)
324* (37) 125* (14)
48 (65) 19 (26)
77 (104) 30 (41)
117 (159) 45 (61)
169 (229) 65 (88)
233 (316) 90 (122)
413 (560) 160 (217)
667 (904) 258 (350)
386 (523)
SAE
GRADE 5
HEX NUTS
GRADE IDENTIFICATION
GRADE A NO MARKS
GRADE B THREE MARKS
GRADE C SIX MARKS
GR.C
w/GR8
BOLT
86* (9.8)
176* (20)
26 (35)
42 (57)
64 (88)
92 (125)
127 (172)
226 (305)
364 (494)
545 (739)
SAE
GRADE 8
NUTS
7--17