Toro Power Clear 621 User Manual

SPECIFICATIONS & MAINTENANCE
2-4
Toro Single Stage Snow Service Manual
Other Torque Specications
SAE Grade 8 Steel Set Screws
Thread Cutting Screws (Zinc Plated Steel)
Type 1, Type 23, or Type F
Thread Size Baseline Torque*
No. 6 - 32 UNC 20 ± 5 inlb
No. 8 - 32 UNC 30 ± 5 inlb
No. 10 - 24 UNC 38 ± 7 inlb
1/4 - 20 UNC 85 ± 15 inlb
5/16 - 18 UNC 110 ± 20 inlb
3/8 - 16 UNC 200 ± 100 inlb
Thread Cutting Screws (Zinc Plated Steel)
Thread Size
Threads per Inch
Baseline Torque*
Type A Type B
No. 6 18 20 20 ± 5 inlb
No. 8 15 18 30 ± 5 inlb
No. 10 12 16 38 ± 7 inlb
No. 12 11 14 85 ± 15 inlb
* Hole size, material strength, material thickness and nish must be
considered when determining specic torque values. All torque values are
based on nonlubricated fasteners.
Wheel Bolts and Lug Nuts
Thread Size Recommended Torque**
7/16 - 20 UNF Grade 5 65 ± 10 ftlb 88 ± 14 Nm
1/2 - 20 UNF Grade 5 80 ± 10 ftlb 108 ± 14 Nm
M12 X 1.25 Class 8.8 80 ± 10 ftlb 108 ± 14 Nm
M12 X 1.5Class 8.8 80 ± 10 ftlb 108 ± 14 Nm
** For steel wheels and nonlubricated fasteners.
U.S. to Metric Conversions
To Convert Into Multiply By
Linear Measurement
Miles
Yards
Feet
Feet
Inches
Inches
Inches
Kilometers
Meters
Meters
Centimeters
Meters
Centimeters
Millimeters
1.609
0.9144
0.3048
30.48
0.0254
2.54
25.4
Area
Square Miles
Square Feet
Square Inches
Acre
Square Kilometers
Square Meters
Square Centimeters
Hectare
2.59
0.0929
6.452
0.4047
Volume
Cubic Yards
Cubic Feet
Cubic Inches
Cubic Meters
Cubic Meters
Cubic Centimeters
0.7646
0.02832
16.39
Weight
Tons (Short)
Pounds
Ounces
Metric Tons
Kilograms
Grams
0.9078
0.4536
28.3495
Pressure Pounds/Sq. In. Kilopascal 6.895
Work
Footpounds
Footpounds
Inchpounds
NewtonMeters
KilogramMeters
KilogramCentimeters
1.356
0.1383
1.152144
Liquid Volume
Quarts
Gallons
Liters
Liters
0.9463
3.785
Liquid Flows Gallons/Minute Liters/Minute 3.785
Temperature Fahrenheit Celsius
1. Subtract 32°
2. Multiply by 5/9
Conversion Factors
in-lb x 11.2985 = N-cm Ncm x  0.08851 = inlb 88 ± 14 Nm
ft-lb x 1.3558 = N-m Ncm x 0.73776 = ftlb 108 ± 14 Nm
Thread Size
Recommended Torque
Square Head Hex Socket
1/4 - 20 UNC 140 ± 20 inlb 73 ± 12 inlb
5/16 - 18 UNC 215 ± 35 inlb 145 ± 20 inlb
3/8 - 16 UNC 35 ± 10 ftlb 18 ± 3 ftlb
1/2 - 13 UNC 75 ± 15 ftlb 50 ± 10 ftlb

Toro Power Clear 621 Specifications

General

Brand	Toro
Model	Power Clear 621
Category	Snow Blower
Language	English