33
6 MAINTENANCE
Stop the blower and auxiliary system as indicated in the paragraph 5.4
Warning : Disconnect the electric supply, lock the general switching open position with the key and
conserve it during service operation
Insulate the blower from the plant and restore the atmospheric pressure into it
Warning : The gas contained in the plant may be hot, toxic and irritant
Warning : Wait until the blower returns at ambient temperature (<40°C)
6.1 Oil change
The first oil change is performed after 500 working hours, further changes as per table in the paragraph 5.3
Change oil in both sides
Fig. 9
Size
Oil quantity ( lt ) for /F /SP /V /RV
Oil quantity ( lt ) for /H
Gear side
Drive side
Total
Gear side
Drive side
Total
45
0,75
0,40
1,15
0,45
0,25
0,70
65
1,20
0,60
1,80
0,60
0,30
0,90
85
2,00
0,90
2,90
0,90
0,40
1,30
105
3,50
1,60
5,10
1,60
0,80
2,40
125
4,80
2,80
7,60
3,10
1,80
4,90
145
10,50
6,00
16,50
6,00
3,50
9,50
Warning : Dispose the used oil in accordance with local regulations
6.1.1 Oil type and viscosity
Mineral oil for general use, mineral oil for hydrostatic and hydrodynamic circuits, mineral oil for internal
combustion engines or polialfaolefine base synthetic oil.
Warning : Do not use mineral oil with EP additives or silicon or diester base synthetic oils.
Oil type
Viscosity
Use
T
ambient
T
2
Toil
Note
Mineral
100
< 0
< 90
< 50
Check the poor point
Mineral
150
< 35
< 110
< 80
Mineral
220
< 50
< 130
< 110
Installation in soundproof enclosure
Synthetic
220
> 50
> 130
> 110
6.1.2 Recommended mineral oils
Make
Type
ISO VG - 150
Poor point
ISO VG - 220
Poor point
AGIP
RADULA
150
-20
220
-18
BP
ENERGOL
CS 150
-12
CS 220
-12
ESSO
NUTO
150
-18
220
-18
MOBIL
D.T.E.
EXTRAHEAVY
-9
BB
-7
SHELL
TELLUS
C 150
-18
C 220
-15
Horizontal
Gear
side
Drive
side
Oil fill plug
Oil drain plug
Oil level plug
Oil level plug
Oil fill plug
Oil drain plug
Oil level with
blower shut down
Vertical
Drive
side
Gear
side
Oil level plug
Oil level plug
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