Douglas Dynamics 35217 Manuale di istruzioni per l'installazione - Pagina 4

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35217
NOISE
Airborne noise emission during use is below 70 dB(A)
for the snowplow operator.
VIBRATION
Operating snowplow vibration does not exceed
2.5 m/s
to the hand‑arm or 0.5 m/s
2
body.
Lit. No. 79257, Rev. 00

TORQUE CHART

to the whole
2
4
CAUTION
Read instructions before assembling.
Fasteners should be finger tight until
instructed to tighten according to the torque
chart. Use standard methods and practices
when attaching snowplow, including proper
personal protective safety equipment.
Recommended Fastener Torque Chart
Inch Fasteners Grade 5 and Grade 8
Torque (ft-lb)
Size
Grade
Grade
5
1/4-20
8.4
11.9
1/4-28
9.7
13.7
5/16-18
17.4
24.6
5/16-24
19.2
27.3
3/8-16
30.8
43.6
3/8-24
35.0
49.4
7/16-14
49.4
69.8
7/16-20
55.2
77.9
1/2-13
75.3
106.4
1/2-20
85.0
120.0
Metric Fasteners Class 8.8 and 10.9
Torque (ft-lb)
Size
Class
Class
8.8
10.9
M6 x 1.00
7.7
11.1
M8 x 1.25
19.5
26.9
M10 x 1.50
38.5
53.3
M12 x 1.75
67
93
M14 x 2.00
107
148
M16 x 2.00
167
231
M18 x 2.50
222
318
These torque values apply to fasteners
except those noted in the instructions.
Torque (ft-lb)
Size
Grade
8
5
9/16-12
109
9/16-18
121
5/8-11
150
170
5/8-18
3/4-10
269
3/4-16
297
7/8-9
429
7/8-14
474
1-8
644
1-12
704
Torque (ft-lb)
Size
Class
8.8
M20 x 2.50
325
M22 x 2.50
428
M24 x 3.00
562
M27 x 3.00
796
M30 x 3.50
1117
M33 x 3.50
1468
M36 x 4.00
1952
April 15, 2022
Grade
8
154
171
212
240
376
420
606
669
909
995
Class
10.9
450
613
778
1139
1545
2101
2701