LITTLE BEAVER Hydraulic Earth Drill, Operator'S Manual, Page: 24 / 25

0196
IMPORTANT: All nuts, fasteners, and fittings must be kept tightened. Refer to
torque chart for proper assembly torque.
HYDRAULIC FITTINGS
SIZE TORQUE SIZE TORQUE
1/4 NPT 25 ft.lb. 7/16-20 SAE O-Ring 12 ft.lb.
3/8 NPT 50 ft.lb 9/16-18 SAE O-Ring 20 ft.lb.
1/2 NPT 75 ft.lb. 3/4-16 SAE O-Ring 35 ft.lb.
3/4 NPT 110 ft.lb. 7/8-14 SAE O-Ring 50 ft.lb.
1-1/16-12 SAE O-Ring 70 ft.lb.
TORQUE INFORMATION
HEX HEAD SOCKET
TYPE
SIZE
inch
GRADE
5
GRADE
8
WRENCH SIZE
No. 4 8 in lb 12 in lb 1/4" 12 in lb 3/32"
No. 6 16 in lb 23 in lb 5/16" 21 in lb 7/64"
No. 8 30 in lb 41 in lb 11/32" 42 in lb 9/64"
No.10 43 in lb 60 in lb 3/8" 60 in lb 5/32"
1/4" 8 ft lb 12 ft lb 7/16" 12 ft lb 3/16"
5/16" 17 ft lb 25 ft lb 1/2" 24 ft lb 1/4"
3/8" 30 ft lb 45 ft lb 9/16" 43 ft lb 5/16"
7/16" 50 ft lb 70 ft lb 5/8" 69 ft lb 3/8"
1/2" 75 ft lb 110 ft lb 3/4" 105 ft lb 3/8"
9/16" 110 ft lb 150 ft lb 13/16" 158 ft lb -----
5/8" 150 ft lb 220 ft lb 15/16" 195 ft lb 1/2"
3/4" 260 ft lb 380 ft lb 1-1/8" 353 ft lb 5/8"
WRENCH SIZE
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