Flowserve ESP3 - Manual (Page 32)

ESP3 USER INSTRUCTIONS ENGLISH 26999943 08-11
Page 32 of 64
a) Check to see that connections are made to
lubrication fittings at pump manifold [3869] on
mounting plate [6130] and for the adapter
[1340.1] bearing [3020.2].
b) Check that 1.9 LPM (0.5 gpm), 3.0 LPM (0.8
gpm) for Group 3, of pumped liquid per bearing
(See Figure 5-5) at 1.4 kg/cm
2
(20 PSIG) for
standard product lubricated pumps or 1.8 kg/cm
2
(25 PSIG) for product lubricated pumps with
separators is available.
c) Changes in noise and vibration may indicate
insufficient lubrication.
5.2.1.3 Grease Lubrication
Pumps furnished with grease-lubricated shaft
bearings [3020.1-.2] will leave the factory with lube
lines [3840.1] and bearings [3020.1-.2] already
packed with grease. The grease used will be of a
water-resistant nature. Each bearing should be re-
greased prior to start-up through the grease fittings
located in the manifold [3869] on the pump mounting
plate [6130]. Grease must be insoluble in the liquid
being pumped. The recommended grease to be used
is Mobil Polyrex EP 2 or an equivalent. Bearing
lubrication lines are filled with Polyrex EP 2 before
the pump leaves the factory. Consult local lubricant
suppliers for the type of grease most compatible with
the liquid being pumped. The grease lubrication
system is the same as the external flush system with
the exception of the manifold [3869]. For grease
lubrication the manifold contains grease fittings while
the external flush manifold contains fluid line taps.
Grease lubricated line bearings require frequent
lubrication. Grease lubricating systems may be
utilized. Follow the manufacturer’s instruction for
proper use. Lubrication intervals and amounts can
be found in Figures 5-2 and 5-3.
Flowserve offers two lubrication systems that
significantly extend the line shaft bearing lubrication
intervals. Individual 2 oz. grease cups per line shaft
bearing and a fully automated progressive lubrication
system. Consult your Flowserve representative for
additional information.
5.2.2 Thrust Bearing
The external duplex angular contact thrust bearing
[3031] may be lubricated through the grease fitting
[3853.2]. Lubrication type, intervals and amount may
be found in Figures 5-1, 5-4 and 5-5. The bearing will
leave the factory with grease already packed.
A greased for-life option may be selected. In this
case, NYLOS® rings will be added to control grease
movement and the grease port will be plugged. A
shielded bearing will not need to be re-greased, but
will need to be replaced when it becomes excessively
worn.
Grease for life bearings
The replacement interval for these bearings is greatly
affected by their operating temperature and speed.
5.2.3 Driver Bearings
Driver Bearings should be re-greased before starting
the pump. Consult the manufacturer's directions for
lubricating instructions.
Figure 5-1: Recommended Grease
Line Shaft
Bearings
Mobil Polyrex EP 2, ConocoPhilips Polytac ® EP
or equivalent
Thrust
Bearing
Mobil Polyrex EP 2, ConocoPhilips Polytac ® EP
(or compatible Polyurea with mineral oil)
Motor
Mobil Polyrex EM 2, ConocoPhilips Polytac ® or
equivalent
Figure 5-2: Line bearing lubrication intervals*
Service Clean Contains abrasives
Interval 8 Hours 4-6 hours
*Interval depends upon process conditions
Figure 5-3: Line bearing lubrication amounts
Location Amount
Intermediate Bearings [3020.1]
18 grams (0.625 oz.)
21 cm 3 (1.3 in. 3 )
Bottom Bearing [3020.2]
11 grams (0.375 oz.)
47 cm 3 (2.9 in. 3 )
Figure 5-4: Ball bearing lubrication intervals*
Bearing
Temperature Under 71 °C
(160 °F) 71-80 °C
(160-175 °F) 80-94 °C
(175-200 °F)
Interval 6 months 3 months 1.5 months
*Assuming good maintenance and operation practices, and no
contamination.
* Bearing Temperatures up to 16°C (30 °F) higher th an housing
Figure 5-5: Ball bearing lubrication amounts
Group Size Initial lube Re-lubrication
Group 1 50 g (1.8 oz.) 20 g (0.7 oz.)
Group 2 75 g (2.7 oz.) 30 g (1.1 oz.)
Group 3 115 g (4.1 oz.) 45 g (1.6 oz.)
*If new bearings are not lubricated, they should be packed prior to
installation and the housing lubricated as described above.
Do not overfill the motor or pump
thrust bearings with grease. If too much grease is
pumped into the bearings, they can overheat. The
maximum temperature that a rolling element bearing
should be exposed to is 105 °C (220 °F).