Preservation In Case Of Labyrinth Seals; Interior Preservation With Preservative Agent - Siemens FLENDER GHZP Assembly And Operating Instructions Manual

4.4.1

Preservation in case of labyrinth seals

Gear units with labyrinth seal are airtight sealed applying the standard preservation with an adhesive tape
on the gap seal of the output shaft. A V­ring prevents air exchange on the input shaft.
Fig. 5: Labyrinth seal
1 V­ring
2 Adhesive tape
The adhesive tape must not be removed before start­up.
4.4.2

Interior preservation with preservative agent

Before longer periods of storage gear units with forced­lubrication systems, oil­circulation cooling or
non­contacting shaft seals should be filled with preservative agent and run without load.
Table 2: Durability period and measures for interior preservation when using mineral oil or PAO­based
synthetic oil
Duration of protection
Up to 6 months
Up to 24 months
For storage periods longer than 24 months, renew the preservative agent (see item 4.4.2.1).
1)
In case of labyrinth seal only (see item 5.7.4)
The input shaft is sealed with a V­ring in the area of the labyrinth (see figure 5).
1
3
Preservative agent
Castrol Alpha SP 220 S
BA 5814 en 09/2014
17 / 61
2
3
3 Air gap
Special measures
None
- Close all holes on the gear unit.
- Replace the air filter with the plug screw.
(Prior to start-up replace screw plug
with air filter.)
- The labyrinth seal on the output shaft
must be sealed with adhesive tape.
(Prior to start-up this adhesive strip must
be removed.)
1)