11-4-2-remont-peredka-kuzova.html
11.4.2. Repair of a front of a body
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Fig. 11.35. Details of a longeron and mudguard
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In fig. 11.35 the details of a longeron and a mudguard delivered in spare parts are presented.
At repair of a front of a body the following works can be carried out:
1) replacement of a forward longeron, for what:
— open access to internal and external surfaces of a longeron;
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Fig. 11.36. Preparation of an installation site of a new longeron and longeron for installation
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— previously cut out a longeron, as shown in fig. 11.36;
— adjust the interfaced surfaces;
— fix a new longeron (the size A has to make 100 mm);
— the joint has to settle down on the site 250 mm (size B);
— adjust and insert a longeron on the place, fix it by the fixed pincers or take welding;
— check the control amount of installation of a longeron (see соотв. section);
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Fig. 11.37. A way of connection of the established longeron with a body
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Fig. 11.38. Way of installation of a longeron entirely
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— execute where it is possible, contact spot welding;
— on other sites execute welding by electrorivets (MAG);
2) replacement of a part of a longeron (see fig. 11.37), for what:
— open access to the site of works;
— previously cut out the damaged section;
— drill or a soshlifuyta of a point of welding;
— remove a longeron;
— adjust the interfaced surfaces and apply welding primer;
— record a longeron in fastenings.
— weld a longeron electrorivets outside, execute where it is possible, contact spot welding;
— weld electrorivets from within;
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Fig. 11.39. A way of connection of the replaced arch of a forward wheel with a body and a longeron
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3) replacement of an arch of a forward wheel ( fig. 11.39), including the strengthening arch element, for what:
— cut out the replaced element;
— to a soshlifuyta or drill its connections with the interfaced details;
— smooth out surfaces of the interfaced details;
— apply welding primer;
— adjust and fix a wheel arch;
— weld a wheel arch;
4) replacement of a support of the engine, for what:
— drill and remove the replaced engine support;
— smooth out and align a support installation site;
— apply welding primer;
— fix an engine support by a clamp;
— check correctness of installation of an arm;
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Fig. 11.40. Ways of fixing of a support of the engine
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5) replacement of the lower beam of a radiator, top beam of a radiator and trailer panels, for what:
— cut out the deleted elements, having receded 10 — 15 mm from connection with the interfaced details;
— drill and remove their remains;
— to a welding point soshlifuyta;
— remove the remains of the deleted details;
— grind to naked metal;
— apply welding primer.
— fix the established details;
— check correctness of their installation;
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Fig. 11.41. Ways of connection of the established details
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