Siemens KMS Assembly And Operating Instructions Manual page 23

Example:
─ A gear unit is stored exposed outdoors after sea transport, in climatic zone B, while it is kept in seaworthy
packaging
HD = 20 months
1
(climatic zone: B, transport type: sea transport, transport packaging: seaworthy packaging, packaging
for storage: seaworthy packaging, place of storage: exposed outdoors)
─ After 5 months (LD ), the gear unit is unpacked, covered with a loose tarpaulin, and placed outdoors
1
besides the mill.
HD = 4 months
2
(climatic zone: B, transport type: sea transport, transport packaging: seaworthy packaging, packaging
for storage: no packaging, place of storage: covered with loose tarpaulin)
Now, the remaining durability period HD
The remaining durability period of the interior gear-unit preservation after changing the storage type is
3 months.
After one additional month (LD
remaining durability period HD
Given:
HD = 3 months (previously calculated)
2äq
LD = 1 month (actual duration of storage with the previous storage conditions)
2
HD = 3 months (maximum durability period with the present storage conditions
3
specified in table 2 in item 4.4.2.1
HD = 4 months (maximum durability period with the previous storage conditions
2
specified in table 2 in item 4.4.2.1
HD = HD
n-äq 3äq
HD
The remaining durability period of the interior gear-unit preservation is 1.5 months after combining the
storage types described in the example.
has to be calculated as follows:
2äq
+ (1 *
HD
2äq
+ (1 * 5
HD
2äq
+ 3 months
HD
2äq
), the gear-unit is placed outdoors exposed without packaging. Now, the
2
is to be calculated as follows:
3äq
+ (HD * LD
3äq 2äq
+ (3 * 1)
HD
3äq
+ 1.5 months
HD
3äq
BA 9137 en 12/2015
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LD
1
) HD
2
HD
1
) 4
20
HD
3
) (
2
HD
2
( 3
)
4
)