8. I mea e pale aku ai i ka poino o na lako hana i hanaia e ka overload, aia ka overload automatic unloading valve i ka hydraulic device. Ke ʻoi aku ka mea i huki ʻia ma mua o ka haʻahaʻa i koho ʻia, e hoʻokuʻu koke ʻia ka pahu overload, a hoʻohana ʻia kahi huki hydraulic i hoʻohui ʻia me kahi tonage nui aʻe.