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MVA 02 rev 5 - December 2017
To facilitate the planning of programmed maintenance,
FVI
has compiled a chart (see paragraph 12.3) with
general indications of the points to be monitored and the frequency of checks.
Periodic cleaning and maintenance, together with lubrication, are essential to ensure correct
fan operation and a longer operative lifespan of the fan.
8.1
Bearing lubrication
Both type SN and type ST supports assembled by Ferrari already contain the correct quantity
of lubricant, as indicated in Chart 8-1. No lubricant filling operations are therefore required
during installation.
Check bearing lubrication at the recommended intervals.
The bearing installed in the supports of fans with transmission must be lubricated at the intervals and using
the quantity of grease indicated in the transmission specifications document attached to the fan
documentation, if the fan has been supplied complete with transmission. For version 1 fans (shaft only,
without transmission), consult Chart 8-2 for the correct lubrication interval. Lubricate using the recommended
type of grease or an equivalent type. If the fan operates in a dusty, damp, hot or corrosive environment,
lubrication intervals must be reduced by approximately 40% or more with respect to the value indicated on
the transmission specifications document, depending on the harshness of the operating environment.
An excessive quantity of lubricant causes bearing overheating. Avoid filling supports with a
quantity of grease greater than that recommended.
Unless otherwise indicated, the grease used in the bearings of
FVI
fans on delivery is:
SHELL GADUS S3 V100 2
This is a lithium-based soap complex, with a dropping point of 250ºC (IP 396) and a cone penetration value
at 25ºC
– 0.1 mm (IP 50/ ASTM D217) of 265–295. Kinematic viscosity (IP 71/ ASTM D445): at 40ºC, 100
cSt; at 100ºC, 11.3 cSt.
The following greases have comparable characteristics:
S.R.I. GREASE 2
ALETIUM GREASE 2
MOBIPLEX 47
RUBENS
GP GREASE
CERAN WR 2
CASTROL SUPER GREASE 2
