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DAILY 4x4 ‒ GUIDELINES FOR BODYBUILDERS
CHASSIS INTERVENTIONS
2.6 INSTALLING THE TOW HOOK
– Printed 692.68.999 – 3 Ed. - Base 08-2020
2.6.2 Precautions for installation
The towing hook must be suited for the loads allowed and must be of a type approved by national standards.
▶ Given their importance related to safety, the drawbar couplings must not undergo modifica-
tions.
In addition to the requirements of the hook manufacturer, it is necessary to respect the limitations imposed by the Regulations on:
● clearances required for the coupling of the brakes and electrical system;
● distance between the hook pin axis and the rear edge of the superstructure (see Figure 10).
In the European Community (UN-ECE Regulation No. 55), this will normally be about 420 mm, but values are allowed up to 550
mm if an appropriate mechanism is adopted for safe operation of the hand lever. For even higher values it is advisable to consult
the aforementioned Regulation.
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