2. It is strictly forbidden to use cast iron or cast steel chenns. The buckle body can be forged with killed steel, and the shaft pin can be machined after forging from bar material.
3. lachenn pa ta dwe komanse fouye oswa soude pou fè reparasyon pou. Apre yo fin defòme kò bouk la ak pikèt arbr la, yo pa pèmèt reparasyon.
4. Lè w ap itilize, tcheke kò bouk la ak boulon an, epi evite grav mete, deformation ak fant fatig.
5. Lè w ap itilize, espas orizontal la pa dwe sibi tansyon, epi peny arbr la dwe antre ak yon PIN sekirite.
6. Apre peny lan arbr reyini kòrèkteman, lajè a nan kò a bouk pa dwe siyifikativman redwi, ak koneksyon an Threaded se yon bon bagay.
7. Itilize nanchennspa dwe depase chaj la san danje espesifye.
