Siemens 3AH3 Operating Instructions Manual page 54

Maintenance
54
Special operating conditions
If the vacuum circuit-breaker is operated under unfavourable conditions indoors
(heavy and frequent condensation, dusty air, etc.), we recommend cleaning the
insulating parts and possibly the outer parts of the circuit-breaker at shorter inter-
vals.
For this, only the following agents may be used on the individual functional parts of
the circuit breaker:
Lubricant:
Bearings, sliding surfaces:
Bearings and bearings of the auxiliary switch S1
that are inaccessible in terms of greasing:
Lubricants are available from the responsible Siemens representative:
180 g Isoflex Topas L 32
1 kg Shell Tellus Oil 32 (special oil)
1 kg Isoflex Topas L 32

Isoflex Topas L 32
t Bolts of the angle lever
u Bolts and eyebolt of the insulating operating rod
v Contact pressure spring, spring plate and spring bearing
w Spring guide and bolts of the angle lever
Fig. 72 Bearings and sliding surfaces of the pole side
Isoflex Topas L 32
Shell Tellus Oil 32
Order no.
3AX11 33-3H
3AX11 33-2D
3AX11 33-3E
9229 9860 176 0E
2013-08-22