Motor Components
3.3 Gearboxes
1PH7/3-128
Siemens AG, 2004. All rights reserved
Induction Motors, 1PH7 (APH7S) – 05.04 Edition
3.3.6 Lubrication
Splash lubrication
Oil level check: Visually using a sight glass
The oil level depends on the mounting position:
Horizontal and vertical: Center of the sight glass
1)
For an inclined mounting position: Mark on the angled oil level indicator
(additionally mount)
Oils which can be used: HLP 32 acc. to ISO-VG 68
Oil drain plugs: Provided at both sides
Circulating oil lubrication
Circulating oil lubrication is required for the following applications:
for continuous operation;
for operation over a longer period of time in one gearbox stage;
for intermittent operation with short no-load intervals;
The type of circulating oil lubrication depends on which operating temperature level
is required in use. Several applications require a low operating temperature level.
We recommend, in these cases, circulating oil lubrication. The oil intake quantity is
between 1 and 1.5 l/min with an oil pressure of approx. 1.5 bar. The diagrams 3-8
and 3-9 indicate the approximate oil intake and outlet positions on the gearbox.
The precise dimensions can be taken from the relevant mounting drawings.
The following gearboxes must always be operated with circulating oil lubrication
(also refer to the mounting drawings):
Gearbox 2K800
Gearbox 2K801
Gearbox 2K802
Gearbox 2K2100
For the following gearboxes, circulating oil lubrication is required for V1 or V3 verti-
cal mounting positions:
Gearbox 2K120
Gearbox 2K121
Gearbox 2K250
Gearbox 2K300
1) The oil volume data on the rating plate is only an approximate value
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