Maintenance Section
187
Torque Specifications
Metric Hardware - This lift truck is almost
totally metric design. Specifications are
given in metric and U.S. Customary
measurement.
Metric hardware must be replaced with metric
hardware. Check parts books for proper
replacement.
NOTE: Use only metric tools on most hardware for
proper fit. Other tools could slip and
possibly cause injury.
Torques for Standard Hose
Clamps - Worm Drive Band Type
NOTICE
The following chart gives the torques for initial
installation of hose clamps on new hose and for
reassembly or retightening of hose clamps on
existing hose.
Clamp Width
Initial Installation
Torque On New Hose
N·m
1
lb·in
16 mm (.625 in) 7.5 ± 0.5 65 ± 5
13.5 mm (.531 in) 4.5 ± 0.5 40 ± 5
8 mm (.312 in) 0.9 ± 0.2 8 ± 2
Clamp Width
Reassembly or
Retightening
Torque On Existing Hose
N•m
1
lb•in
16 mm (.625 in) 4.5 ± 0.5 40 ± 5
13.5 mm (.531 in) 3.0 ± 0.5 25 ± 5
8 mm (.312 in) 0.7 ± 0.2 6 ± 2
1
1 Newton meter (N·m) is approximately the same as 0.1
kg·m.
Torques for Standard Bolts, Nuts
and Taper lock Studs
NOTICE
The following charts give general torques for bolts,
nuts and taper lock studs or SAE Grade 5 or better
quality.
Torques for Bolts and Nuts With
Standard Threads
Thread Size
Inch
Standard Nut and Bolt Torque
N·m lb·ft
1/4 12 ± 4 9 ± 3
5/16 25 ± 7 18 ± 5
3/8 45 ± 7 33 ± 5
7/16 70 ± 15 50 ± 11
1/2 100 ± 15 75 ± 11
9/16 150 ± 20 110 ± 15
5/8 200 ± 25 150 ± 18
3/4 360 ± 50 270 ± 37
7/8 570 ± 80 420 ± 60
1 875 ± 100 640 ± 75
1 1/8 1100 ± 150 820 ± 110
1 1/4 1350 ± 175 1000 ± 130
1 3/8 1600 ± 200 1180 ± 150
1 1/2 2000 ± 275 1480 ± 200
1
1 Newton meter (N·m) is approximately the same as 0.1
kg ·m.
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