Torque Figures For Standard Hose Clamps Of The Worm Drive Band Type; Torque Figures For Constant Torque Hose Clamps - Perkins 2800 Workshop Manual

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Torque figures for standard hose clamps of the worm drive band type

Width of clamp
7,9 mm (0.31 in)
13,5 mm (0.53 in)
15,9 mm (0.63 in)
Width of clamp
7,9 mm (0.31 in)
13,5 mm (0.53 in)
15,9 mm (0.63 in)

Torque figures for constant torque hose clamps

Use a torque wrench for the correct installation of a constant torque hose clamp. For a constant torque hose
clamp to be installed correctly, these conditions must exist:
The screw tip (D1) must extend by 6,35 mm (0.250 in) beyond the housing (D2).
The belleville washers must be collapsed almost flat after the screw (D3) has been tightened to a torque of
11 +/- 1 Nm (98 +/- 9 lb in).
Workshop Manual, TSD3450E, Issue 1
Torque figure for initial
installation on a new hose
0,9 +/- 0,2 Nm (8 +/- 2 lbf in)
4,5 +/- 0,5 Nm (40 +/- 4 lbf in)
7,5 +/- 0,5 Nm (65 +/- 4 lbf in)
Torque figure for used clamp
0,7 +/- 0,2 Nm (6 +/- 2 lbf in)
3,0 +/- 0,5 Nm (27 +/- 4 lbf in)
4,5 +/- 0,5 Nm (40 +/- 4 lbf in)
2
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