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Maintenance Section
Torques for Taperlock Studs
*1 Newton meter (N ¥m) is approximately the same as 0.1 mkg.
Torques for Metric Fasteners
NOTICE
Be very careful never to mix metric with U.S.
customary (standard) fasteners. Mismatched or
incorrect fasteners will cause lift truck damage
or malfunction and may even result in personal
injury.
Original fasteners removed from the lift truck
should be saved for reassembly whenever pos-
sible. If new fasteners are needed, they must
be of the same size and grade as the ones that
are being replaced.
The material strength identification is usually
shown on the bolt head by numbers (8.8, 10.9,
etc). The following chart gives standard
torques for bolts and nuts with Grade 8.8.
NOTE : Metric hardware must be replaced with
metric hardware. Check parts book for proper
replacement
.
*1 Newton meter (N¥m) is approximately the same as 0.1 mkg.
**ISO-International Standard Organization.
Thread Size
Standard Taperlock Studs Torque
Inch
N•m* lb•ft
1/4 8L3 6L2
5/16 17L5 13L4
3/8 35L5 26L4
7/16 45L10 33L7
1/2 65L10 48L7
5/8 110L20 80L15
3/4 170L30 125L22
7/8 260L40 190L30
1 400L60 300L45
1 1/8 500L70 370L50
1 1/4 650L80 480L60
1 3/8 750L90 550L65
1 1/2 870L100 640L75
Metric ISO** Thread
Thread Size
Standard Torque
Inch
N•m* lb•ft
M6 12L4 9L3
M8 25L7 18L5
M10 55L10 41L7
M12 95L15 70L11
M14 150L20 110L15
M16 220L30 160L22
M20 450L70 330L50
M24 775L100 570L75
M30 1600L200 1180L150
M36 2700L400 2000L300
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