NORD Drivesystems B1000 - Manual (Page 42)

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INTRODUCTION
G1000 – Subject to Change Without Notice
Lubrication
Oil Reservoir Tank (OT)
Oil Reservoir Tank
Clincher™ shaft mount units SK9282 and larger, with
the motor or input shaft mounted vertically upright,
should be fi lled with oil in order to prevent excessive
foaming and heat build-up.
The oil reservoir must be located above the gear unit.
Even at non-operating ambient conditions, a small
amount of oil should be visible in the bottom of
the oil reservoir. During operation, all parts are sub-
mersed in oil, especially the high-speed gear set, thus
preventing, the formation of oil foam. In addition,
this type of installation assures that all bearings are
properly lubricated with oil.
The oil reservoir is larger than the oil expansion cham-
ber and is vented. The oil reservoir has two fl exible
oil hoses connected to the gear unit to help assure
proper ventilation and passive oil circulation.
Application Considerations
NORD strongly recommends the use of an oil reservoir
tank on parallel shaft gear unit sizes SK9282/SK9382
and larger when the motor is mounted vertical-up or
when the reducer mounting position is M4.
Parallel Shaft Gear Unit Size D H
SK 9282/SK9382
SK 10282/SK10382
I 7.87 15.75
SK 11282/SK11382
SK12382
II 12.99 15.75
H
D
Water Cooling Cover (WC)
Clincher TM shaft mount units and Helical-bevel units
are available with a water cooling system integrated
into the assembly cover on the unit. The cover is made
of aluminum and cooling coils in the cover prevent di-
rect contact with the oil sump, therefore eliminating
the possibility of oil contamination. Simple threaded
fi ttings are used to connect the coils to the customer
supplied heat exchanger. NORD recommends moni-
toring the temperature or fl ow rate of water since
the cooling coil does not lie in the oil reservoir.
If low ambient temperatures exist, the heat exchang-
er may be used to provide heat to the gear unit.