EBARA 25EVMS106.75, Instruction Manual, Page: 19 / 26

EVMS/EVMSL
- 19 -
EBARA
CORPORATION
3. Consumable parts
(1) Replace the parts according to the conditions shown in the table below.
Consumable
part
O-ring Mechanical seal
Pump interior
bearings
Sealed ball bearing
Replacement
condition
Every time
pump is
disassembled
Large amount
of leakage If noise or vibration
becomes severe
・
Large or abnormal noises occur
・
Grease leaks out
Replacement
interval

Once per year or
every 8,000 hours
Once per year
(depending on use
conditions) Once every 2 - 3 years
(depending on use conditions or
every 10,000 hours.)
(2) A table of dimensions for consumable parts is shown below.
O-ring
Part name
Pump size
For outer casing For flange
25,32

5.34×129.54
Not applied
(Sheet gasket)
40,50

5.34×164.46
Not applied
(Sheet gasket)
Cartridge mechanical seals Pump interior bearings
Pump
size
Frequency
Hz
Mechanical seal
Part name
Pump size
Bearing
Sleeve
Intermediate casing for bearings
25
50 12×16F
－
25k
EVMS EVMSL
60 12×16F
－
25k 25

12×

16×10
5×21B1-30.6-304 5×21B1-27.1-316
32
50 12×16F
－
25k 32 5×28B1-33.3-304 5×28B1-33.3-316
60
12×16F
－
25k
40

16×

20.5×14.4
7×30B1-48-304 7×30B1-48-316
40
50 16×20F
－
25k 50 7×40B1-48-304 7×40B1-48-316
60 16×20F
－
25k
50
50 16×20F
－
25k
60
16×20F
－
25k
Sealed ball bearings (inside motor)
P a r t n a m e Sealed ball bearings
Motor output (kW) Load side Opposite side Grease
0.37 6203 ZZ C3 6203 ZZ C3
Lithium heat
resistant grease
0.55 6203 ZZ C3 6203 ZZ C3
0.75 6204 ZZ C3 6204 ZZ C3
1.1 6204 ZZ C3 6204 ZZ C3
1.5 6205 ZZ C3 6304 ZZ C3
2.2 6205 ZZ C3 6304 ZZ C3
3.0 6207 ZZ C3 6305 ZZ C3
4.0 6207 ZZ C3 6305 ZZ C3
5.5 6308 ZZ C3 6306 ZZ C3
7.5 6308 ZZ C3 6306 ZZ C3
11 6310 ZZ C3 6208 ZZ C3
15 6310 ZZ C3 6208 ZZ C3
18.5 6310 ZZ C3 6208 ZZ C3
The replacement intervals shown above are as guide line for normal operation.