7.2.3. Instrumentation and settings, if applicable
For detailed information on lubrication system, instrumentation and settings, refer to the certified drawing, the
service manual of the lubrication and cooling system and/or separate leaflets on instrumentation, supplied with
this manual.
Settings stated on the certified drawing have been set during testrun by Hansen Industrial
Transmissions nv and should not be altered without written authorisation.
Presettings, if stated, are recommended values set by Hansen Industrial Transmissions nv, but may be altered
according to local conditions.
7.3. OIL SELECTION
Always use oil with type and viscosity as indicated on the gear unit's nameplate.
The oil must be selected from the table at page 39 of this service manual, listing mineral oils and
greases recommended by their respective brand name owners.
The viscosity has been selected according to operating conditions specified in the “Order Acknowledgement”.
The ISO viscosity class VG is mentioned on the nameplate and on the dimensional drawing.
For conversion from ISO viscosity class VG to other viscosity units see table of corresponding lubricants p. 39.
The oil suppliers are responsible for the selection and composition of their products.
Synthetic oils may be used only after written authorisation from the Engineering Department of Hansen
Industrial Transmissions nv.
The use of synthetic oil is mentioned on the nameplate.
In that event, only synthetic oils specified by Hansen Industrial Transmissions nv with brand and prod-
uct name may be used, refer to the table at page 40. These synthetic oils shall be of the polyalpha-ole-
fine type (SHF-type, Synthetic Hydrocarbon Fluid).
To improve the steadiness of the bearing life time, it is highly recommended to use oil that has an initial oil
cleanliness of -/15/12 (or better) according to ISO 4406.
Refer to the oil supplier to obtain this oil quality.
Handle any lubricant or oil with care and according to the handling and safety instructions to be sup-
plied by the lubricant supplier on customer's request. These instructions have to be handed over to any
personnel performing installation, maintenance or repair of the gear unit.
7.4. OIL QUANTITY
The oil level is determined by min. and max. markings on the dipstick (see fig. 5, page 29).
The oil level will always be checked with the gear unit dipstick.
Possible other oil level markings are only indicative. Refer to the dimensional drawing.
An oil sight glass or an oil level switch is optionally available.
THREADED DIPSTICKS SHOULD BE CHECKED IN PLUGGED POSITION.
The oil level must be checked when the gear unit is not running.
On systems with filters and coolers, the oil level must be checked with the lubrication and cooling
system filled with oil and after short test run.
The cooling system is automatically utilized when the oil bath temperature rises above 60°C (140°F).
If oil filling is required to take place earlier, the air must be released from the cooler whilst the pump is in
operation.
The oil quantity mentioned on the nameplate of the gear unit is an approximate value given only for procurement
purposes.
ENGLISH
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