Kako promijeniti ulje u reduktoru bagera / hypenol SAE 90 / 0.3L

Svakih 500-1000 radnih sati preporuka je promjeniti ulje ( Hypenol SAE 90 ) u reduktorima pogona. To može biti i kraći interval jer količina ulja je doista mala. Kod ovoga modela mini bagera iz videa : Kubota KX 61-3 ide samo cca. 0.3 L ulja po reduktoru.
U ovoj epizodi pokazao sam kako ja to radim, postupak je vrlo jednostavan i svatko si taj posao može sam napraviti ( ako želi ).
Preporuka je zagrijati ulje u reduktorima kako bi lakše sve iscurilo, i pokupilo svu nečistoću. Postaviti donji vijak na reduktoru na najnižu točku ( okomito )
Otpustiti gornji vijak ( da se oslobodi eventualni pritiska ulja ) vratiti gornji vijak samo par okretaja.
Staviti nekakvu posudu ( kanister tekućina za stakla npr ) otpustiti donji vijak da ulje počne izlaziti / onda ukloniti i gornji vijak....
Kada svo ulje iscuri, postupak je zatvoriti donji vijak i usipati novo ulje ( Hypenol SAE 90 ) kroz neki mali lijevak ili npr špricom. Puniti ulje skroz dok ne počne curiti / izlaziti na gornji vijak. To je znak da ima dovoljno ulja i ne možeš prepuniti.
Zapisati stanje brojila i nastaviti sa radom...

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It is recommended to change the oil (Hypenol SAE 90) in the drive reducers every 500-1000 working hours. It can be a shorter interval because the amount of oil is really small. With this mini excavator model from the video: Kubota KX 61-3 only goes approx. 0.3 L of oil per reducer.
In this episode I showed how I do it, the procedure is very simple and anyone can do the job themselves (if they want).
It is recommended to heat the oil in the reducers so that everything flows out more easily and collects all the impurities. Place the lower screw on the reducer at the lowest point (vertical).
Loosen the upper screw (to relieve possible oil pressure), return the upper screw only a couple of revolutions.
Put some kind of container (glass liquid canister, for example), loosen the lower screw so that the oil starts to come out / then remove the upper screw as well....
When all the oil has drained, the procedure is to close the lower screw and pour in new oil (Hypenol SAE 90) through a small funnel or, for example, with a syringe. Fill the oil all the way until it starts to leak / come out on the upper screw. This is a sign that there is enough oil and you cannot overfill.
Record the meter status and continue working...

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