AMF
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Open ring spanner with torque-wrench fitting

Fits hook end 6540H.
(AMF chain clamping set 6540)
For hexagon clamping nuts.
Drive 1/2” square socket with ball-engagement groove.
Special steel, hardened and zinc-plated.

Order
no.
SW L S SW1
[inch]
T T1 Weight
[g]
CAD EUR SC
52514 36 101 60 1/2 7 16 255  - 63,50
52522 46 107 60 1/2 8 16 330  - 66,50
568022 65 160 100 1/2 10 16 800  - 68,40

Note:

The set value for the torque wrench is dependant on insertion dimension "S".
The operating manual of your torque wrench contains the necessary specifications and calculation formulas.

Max. permissible tightening torque (Md max.) for use with the AMF chain clamping set 6540:
6540-12 - SW 36mm: 45 Nm
6540-16 - SW 46mm: 90 Nm
6540-20 - SW 65mm: 190 Nm
6540-24 - SW 65mm: 300 Nm

Advantage:

Ideally adapted for the controlled actuation of the hook end 6540 of the chain clamping set.