1. Kev pib nyuaj
Tej zaum nws yuav yog vim lub roj teeb hluav taws xob tsawg lossis lub roj teeb puas, lossis xyuas seb cov roj teeb ntawm cov xov hlau puas zoo. Yog tias muaj xoob lossis oxidation, ntxuav lossis hloov nws. Thaum kawg, xyuas seb cov roj injector puas yog txhaws. Yog tias muaj teeb meem, ntxuav lossis hloov cov roj injector hauv lub sijhawm.
2. Lub cav tso pa taws dub
Tej zaum nws yuav yog vim roj impurities los yog ntau tshaj qhov ntim ntim. Cov roj yuav tsum tau hloov, hloov cov roj injector, lossis hloov cov roj reservoir. Xyuas seb lub tshuab lim cua puas yog txhaws thiab hloov tam sim ntawd yog tias muaj teeb meem. Thaum kawg, xyuas seb lub cav tswj qhov system puas zoo li qub. Yog tias muaj teeb meem tshwm sim, kho lossis hloov lub system tam sim.
3. Roj paug
Tej zaum nws yuav yog tias lub lim yuav tsum tau hloov los yog faulty. Hloov thiab kos lub sijhawm. Tom qab ntawd xyuas seb cov roj txias puas zoo li qub. Yog tias muaj teeb meem, kho lossis hloov nws raws sijhawm.
4. Lub cav suab nrov heev
Tej zaum nws yuav yog lub tog raj kheej liner hnav, lossis cov roj siab tsis txaus. Xyuas seb lub tog raj kheej liner thiab lub cav roj siab puas yog qhov qub. Yog tias tsis txaus, kho lossis hloov lub tog raj kheej liner thiab roj twj tso kua mis.
5. Lub cav vibration
Ua ntej xyuas seb lub tshuab hluav taws xob puas zoo li qub, tom qab ntawd xyuas seb lub valve clearance puas yog thiab kho nws raws li qhov xav tau. Thaum kawg, xyuas seb lub crankshaft hauv ob sab phlu puas hnyav heev. Yog tias nws hnav ib nrab, nws tuaj yeem kho tau. Yog tias nws hnav tag nrho, nws yuav tsum tau hloov.
Cov saum toj no yog cov faults thiab kev daws teeb meem ntawm excavator cav. Koj kuj yuav tsum tau ua tib zoo saib xyuas thiab kho tsis tu ncua, thiab hloov cov khoom hnav hauv lub sijhawm los tiv thaiv qhov tshwm sim ntawm qhov tsis raug. Vam tias nws yuav pab tau.
