HYDRAULIC OIL
Viscosity at the lower expected ambient temperature: max 68 cSt ( 9° E )
Viscosity at the higher expected ambient temperature: min. 22 cSt ( 3.10° E )
( cSt = centistokes ° E = Engler degrees )
HYDRAULIC OILS CORRESPONDENCE CHART
The following chart indicates the most common hydraulic oils recommended for TEHMA hydraulic tools
and power packs. The oils in the chart are suggested for standard temperatures; the left column indicates
oils for Winter operations; the right column shows the Summer ones. HYDRAULIC OILS OF OTHER
BRANDS CAN ALSO BE USED BUT THEY SHOULD HAVE EQUIVALENT CHARACTERISTICS TO
THOSE OF THIS CHART.
HYDRAULIC OIL – CORRESPONDENCE
WINTER TEMPERATURES SUMMER TEMPERATURES
AGIP ARNICA 32 ARNICA 46
BP HLP HV 32 HLP HV 46
CASTROL HYSPIN AWH 32 HYSPIN AWH 46
ELF HYDRELF DS 32 HYDRELF DS 46
ESSO INVAROL EP 32 INVAROL EP 46
MOBIL DTE 10 DTE 15
Q8 HAENDEL 32 HAENDEL 46
SHELL TELLUS T 32 TELLUS T 46
If you use the hydraulic tools in extreme climatic conditions, please contact TEHMA for more
information.
IN CERTAIN COUNTRIES OR IN SOME SPECIAL APPLICATIONS THE USE OF BIODEGRADABLE OIL IS
PRESCRIBED BY LAW, IN THIS EVENTUALITY CONTACT TEHMA FOR MORE INFORMATION.
NORMALLY THERE ARE NO PROBLEMS OF HYDRAULIC-OIL COMPATIBILITY ( MIXING DIFFERENT TYPES
OF OILS ) WHEN THE TOOL USED WAS CONNECTED BEFORE TO OTHER POWER PACKS THAT COULD
HAVE OTHER OILS, NORMALLY THERE ARE NO PROBLEMS IF THE OIL OF THESE MACHINES IS OF A GOOD
QUALITY AND REGULARLY FILTERED.
OIL FILTER AND HYDRAULIC OIL MUST BE COMPLETYELY CHANGED EVERY 250 HOURS, WHEN
CHANGING THE OIL IS BETTER CHANGE ALSO THE OIL IN THE FLEXIBLE HOSES
NEVER USE OILS CALLED ESTHERI FOSFORIC! THESE OILS ARE EXTREMELY TOSSIC AND AGGRESSIVE,
BE CAREFUL NOT TO CONNECT THE POWER PACKS TO TOOLS THAT WERE WORKING WITH THESE OILS,
MIXTURES WITH THESE OILS CAN DAMAGE THE PACK OR THE TOOLS.
THE OIL LEVEL MUST ALLWAYS BE VISIBLE FROM THE LEVEL EYE
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