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Ngaphambi kokuba ulungelelanise kwaye uvavanye isitofu se-fuel injini ye-diesel, jonga ukuqina komvavanyi wesitofu se-fuel kuqala.Indlela yile: vala umbhobho we-oyile yoxinzelelo oluphezulu lwe-fuel tester injector, cinezela isibambo, kwaye uyeke xa uxinzelelo lukhuphukela kwi-30000kPa kwaye uqaphele ukuba kulungile ukuba ukwehla koxinzelelo lwenkqubo akukho mkhulu kune-1000kPa ngaphakathi kwemizuzu emi-3.i

2. Ukuhlolwa kwezitofu zamafutha

(1) Ukuhlolwa kokuqina kwe-injector

1) Jonga ukuqina kwendawo yokusebenza ye-conical ye-injector plunger.Faka i-injector kwi-injector tester, cinezela isibambo ngokuqhubekayo ngesantya esicothayo, yeka ukucinezela xa iphantsi koxinzelelo oluqhelekileyo lwenaliti ye-2000kPa, kwaye uqaphele uxinzelelo lwenaliti.Kufuneka kungabikho kuvuza phakathi kwe-10s ukusuka kumngxuma womlomo we-oiler.i

2) Khangela ukuqina kwendawo yokusebenza ye-cylindrical ye-fuel injector plunger.Faka i-fuel injector kwi-fuel injector tester, sebenzisa i-screwdriver ukuguqula isikrufu sokulungelelanisa uxinzelelo, kwaye ucinezele isibambo somvavanyi ngokuqhubekayo ukulungelelanisa uxinzelelo lwe-injection ye-fuel kumgangatho. Uxinzelelo lokuhla ukusuka ku-20000kPa ukuya kwi-18000kPa, ekufuneka ingabi ngaphantsi kwemizuzwana ye-10.

(2) Ukuhlolwa koxinzelelo lwe-injection ye-fuel Fakela i-injector ye-fuel kwi-high-pressure oil pipe ye-tester, cinezela isibambo somhloli, kwaye ukhuphe umoya kunye nokungcola okushiywe kumbhobho weoyile.Cinezela isibambo ngesantya samaxesha angama-60 / ngomzuzu, kwaye kwangaxeshanye ujonge ukufundwa kwi-gauge yoxinzelelo ngexesha lenkqubo yokutofa kwe-injector.Uxinzelelo lwe-fuel injection ye-fuel injectors ye-cylinder nganye kufuneka ifane kwaye ihlangabezane nomgangatho ochazwe ngumenzi.i

(3) Ukuhlolwa komgangatho we-atomization ye-injector yamafutha.Gcoba isibambo se-injector ye-fuel ngesantya se-60-70 amaxesha ngomzuzu ngaphakathi kwinqanaba loxinzelelo oluqhelekileyo.I-oyile ye-diesel etshizwe ngaphandle kufuneka ibe yinkungu efanayo, kwaye amasuntswana e-oyile etshiziweyo kufuneka abe yi-Uniform encinci, kungabikho ukuhamba kweoli okanye amathontsi e-oyile anokubonwa ngeso lenyama, kwaye isandi esimnandi siqhelekile.Qwalasela isitofu samafutha ngoko nangoko emva kokuyekisa inaliti yamafutha.Kufuneka kungabikho amathontsi yeoli.Emva kweenaliti ezininzi, vumela indawo ekufutshane nomngxuma wombhobho ukuba ubemanzi kancinci.