Maintenance, Fasteners, Chapter 4 – Landoll BPSB6 Till-N Seed User Manual
Page 43
4-1
Chapter 4
Maintenance
Fasteners
Before operating your Brillion machine, check all
hardware for tightness. Use the Tightening Torque Table
reproduced below as a guide. See Table 4-1.
• After a few hours of use, check entire machine and
tighten any loose nuts or bolts. Daily or periodic
checks should be made thereafter.
• Values are given in foot-pounds.
• Use GRADE B lock nuts with GRADE 2 and GRADE 5
bolts only.
• Use GRADE C lock nuts with GRADE 8 bolts only.
Table 4-1: Torque Tightening Table
BOLT/NUT TIGHTENING TORQUES
For Fine Threads Multiply Chart Values by 1.1
Thread Size
Bolt Grade
Plated, Stover Lock Nuts
GRADE 2
GRADE 5
GRADE 8
GRADE B
GRADE C
Figure 4-1
MIN/MAX
MIN/MAX
1/4-20
5
8
12
5/7
7/10
5/16-18
11
17
24
10/12
11/16
3/8-16
20
30
45
15/20
20/28
7/16-14
30
50
70
23/32
31/43
1/2-13
50
75
105
37/50
45/62
9/16-12
70
110
155
50/70
70/95
5/8-11
100
150
210
70/95
90/122
3/4-10
170
270
375
125/165
155/210
7/8-9
165
430
610
275/375
360/462
1-8
250
645
910
1 1/8-7
355
795
1290
1 1/4-7
500
1120
1820
1 3/8-6
745
1670
2710
1 1/2-6
870
1950
3160