Thaum peb pom tias cov hlau sab hauv ntawm PPR yog xoob, nws yog ib qho tsim nyog los hloov cov yeeb nkab xoob. Thaum PPR cov kav dej raug muab zais, cov txheej txheem ua tiav yog raws li hauv qab no: tshem tawm cov vuas phab ntsa ntawm qhov xoob ntawm PPR sab hauv cov hlau, feem ntau peb tshem cov vuas raws li qhov zawj uas tau teem rau hauv PPR pipeline; Cov cement mortar lossis pob zeb rov qab rau sab nraud ntawm PPR pipeline yog chiseled tawm, nthuav tawm PPR yeeb nkab fittings thiab cov kav dej kom tau raws li qhov yuav tsum tau ua; reinstall lub xoob PPR puab hlau, thiab siv ib tug ncaj thiab ib tug luv luv yeeb nkab rau reinstall PPR Lub puab hlau khoov, kho cov phab ntsa ntawm cov zawj, thiab thaum kawg kuv tuaj yeem kho qhov chiseled ib feem thiab kho cov vuas phab ntsa. Yog tias PPR cov kav dej raug nthuav tawm, cov txheej txheem ua tiav yog raws li hauv qab no: tshem tawm ib ntu ntawm PPR cov kav dej tawm ntawm phab ntsa lossis lub phaj sab saum toj kom tau raws li qhov xav tau ntawm kev ua haujlwm; siv tshwj xeeb PPR txiav pliers kom tshem tawm cov xoob xoob sab hauv cov yeeb nkab los ntawm cov kav dej. Txiav tawm; siv ncaj qha thiab ntu ncaj raws li qhov yuav tsum tau ua nyob deb, tom qab ntawd nruab PPR tshiab haum.
