4.4 Accessories for assembly
4.4.1 Stem protection tube for rising valve stem
— Option —
Figure 9: Assembly of the stem protection tube
[1] Cap for stem protection tube
[2] Stem protection tube
[3] Sealing ring
1. Seal thread with hemp, Teflon tape, or thread sealing material.
2. Screw stem protection tube [2] into thread and tighten it firmly.
3. Push down the sealing ring [3] onto the housing.
4. Check whether cap for stem protection tube [1] is available and in perfect con-
dition.
13
SA 25.1 – SA 48.1/SAR 25.1 – SAR 30.1
Assembly