UM-PRORUNNER_Mk5-1.2-EN-US 107Maintenance driven roller conveyor12.9 Tightening/loosening the beltThe belt will elongate with use. How fast this happens depends on the conditions of use.Most of the elongation happens after first putting the machine into operation.• A belt with insufficient tension will slip and may not convey the product properly.12.9.1 How to tighten/loosen the belt1. Be sure the new belts have the correct length to obtain a correct wheel tension.12.10 Replace partsSome machine parts are subject to wear. See the type plate and the exploded view for thespecifications of the machine parts.WARNINGReplace parts only with parts supplied or recommended by Qimarox.If parts are not replaced with supplied or recommended Qimarox parts, themachine warrantee becomes null and void. Refer to section 2.3.