Grasshopper 623T, Руководство оператора и список запчастей

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13
Bolt Head Markings
SAE Grade 2
(no dashes)
SAE Grade 5
(3 radial dashes)
SAE Grade 8
(6 radial dashes)
MEASUREMENT CONVERSION
Measurements expressed in this manual are
decimal values. Use the chart below if you
are unsure of a measurement to obtain the
fractional equivalent.
BOLT SIZE AND TIGHTENING
RECOMMENDATIONS
The chart below lists the correct tighten-
ing torque for bolts used on Grasshopper
equipment. When bolts are to be tightened
or replaced refer to this chart to determine
the grade of bolt and proper torque (
except
when specifi c torque values are assigned in
the manual text
).
Decimal
Conversion Table - Inches
Decimal Fraction
0.062
0.125
0.187
0.250
0.312
0.375
0.437
0.500
1/16
1/8
3/16
1/4
5/16
3/8
7/16
1/2
0.562
0.625
0.687
0.750
0.812
0.875
0.937
1.000
9/16
5/8
11/16
3/4
13/16
7/8
15/16
1
Fraction
Recommended Torque in Foot Pounds
Fraction Decimal SAE Grade 2 SAE Grade 5 SAE Grade 8
Bolt Diameter in Inches
0.250
0.312
0.375
0.437
0.500
0.562
0.625
0.750
0.875
1.000
1/4
5/16
3/8
7/16
1/2
9/16
5/8
3/4
7/8
1
6
13
23
37
57
82
111
200
280
350
11
21
38
55
85
125
175
300
450
680
14
25
55
80
120
180
230
440
720
1035