32
6 MAINTENANCE
Stop the blower and auxiliary system as indicated in the paragraph 5.4
Warning : Disconnect the electric supply, lock the general switching in open position with the
key and conserve it during the 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
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
Oil quantity ( lt ) for /F /SP /V /RV Oil quantity ( lt ) for /H
Size
Gear side Drive side Total Gear side Drive side Total
15-25 0,40 0,32 0,72 0,20 0,12 0,32
35-45-46 0,75 0,40 1,15 0,45 0,25 0,70
55-65-66 1,20 0,60 1,80 0,60 0,30 0,90
75-85-86 2,00 0,90 2,90 0,90 0,40 1,30
95-105-106 3,50 1,60 5,10 1,60 0,80 2,40
115-125-126 4,80 2,80 7,60 3,10 1,80 4,90
135-145-155 10,50 6,00 16,50 6,00 3,50 9,50
165-175 18,00 10,00 28,00 - - -
205-225 30,00 16,00 46,00 - - -
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.
Use
Oil type Viscosity
Tambient T2 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
Oil level plug Oil level plug
side
Drive
side
Oil level with
blower shut down
Oil drain plug
Oil fill plug
Oil level plug Oil level plug
Oil drain plug
Oil fill plug
Drive
side
side
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