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Machine maintenanceseZávady
4.5.4. Hydraulic oils
Replace the hydraulic oil once in 2 years, because the oil can deteriorate its properties
and cause problems the hydraulic equipment. If the hydraulic system is equipped with
filter (2SF 56/48-0,063), replace the filter too.
Use oils with specification DIN 51524-HLP, ISO 6743-4 and viscosity grade ISO VG 46 in
hydraulic aggregates. Hydraulic oils quantity – see chapter Hydraulic oil level check.
Comparative table of the hydraulic oils
Manufacturer Type Manufacturer Type
Agip Oso 46 Ina Hidraol 46 HD
Aral Vitam GF 46 Klüber Lamora HLP 46
Avia Avilub RSL 46 Hungary Hidrokomol P 46
Benzina OH-HM 46 Mobil Mobil DTE 25
BP Energol HLP 46 ÖMV HLP 46
Bulgaria MX-M/46 Poland Hydrol 30
Castrol Hyspin AWS 46 Rumania H 46 EP
Čepro Mogul HM 46 Russia IGP 30
DEA Astron HLP 4hy6 Shell Tellus Oil 46
Elf Elfolna 46 Sun Sunvis 846 WR
Esso Nuto H 46 Texaco Rando HD B 46
Fam HD 5040 Valvoline Ultramax AW 46
Fina Hydran 46
4.5.5. Hydraulic oil level check
Pull up the gauge and check the state of the oil. The oil level must be situated between
water-glas.
Fill the hydraulic oil, if it is necessary. Use always the filter (10 μm or better) when you fill
the oil. You avoid impurities penetration to the hydraulic system and troubles in
hydraulic system.
4.6. Machine cleaning
Clean the machine from the cooling liquid and impurities after every shift stopping.
Conserve the guiding surfaces, mainly.
• Clamping jaws guiding of the vice.
• The guiding of the feeder.
• Loading surface of the vice.
Note:
When replacing, use oils recommended by BOMAR or oils, which
has comparable parameters from the other manufacturers. Do
not forget, that mineral and synthetic oils may not be mixed!
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