BA series pumps
Maintenance 1401
9.8
Checking the operation of the float
Check whether damp air is coming out of the vacuum
pump exhaust.
If so, an authorised technician must check the seal/
adjustment of the float.
Changing the oil in the bearings and shaft seal
Note
Consult the oil supplier for a product that meets the established specification and to determine the
miscibility of the oils.
Bearing block for
BA pump + bearing
block for vacuum
pump
Standard
oil
Temperature
Light/average
load
Heavy and jolting
load
Applies to all pump
models
15W40 -30 °C to 0 °C
(-22 °F to 32 °F)
ISO VG 15, 22, 32
machine oil
15W40 0 °C to 50 °C
(32 °F to 122 °F)
ISO VG 15, 22, 32
bearing or turbine
oil
ISO VG 15, 22, 46
bearing or turbine
oil
15W40 50 °C to 80 °C
(122 °F to 176 °F)
ISO VG 46, 68,
100 bearing or
turbine oil
ISO VG 68, 100,
150 bearing or
turbine oil
Pump model Oil, seal chamber
BA100K D193 15W40
Other models
BA80H/
BA100E/BA150E
ISO VG 32
Univis N32
SAE 30
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