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DK-6430 DK-6430 DK-6430 質(zhì)保一年 壹年保修 
以免殘留砂粒在觸點(diǎn)閉合時嵌在觸點(diǎn)上造成不良。但銀觸點(diǎn)燒毛可不必整修。觸點(diǎn)如有熔焊，應(yīng)更換觸點(diǎn)。若因觸點(diǎn)容量不夠而造成，更換時應(yīng)選容量大一級的電器。檢查觸點(diǎn)有無松動，如有應(yīng)加以緊固，以防觸點(diǎn)跳動。檢查觸點(diǎn)有無機(jī)械損傷使彈簧變形，造成觸點(diǎn)壓力不夠。若有，應(yīng)壓力，使觸點(diǎn)良好
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