
27
10 Appendix
10.1 Specifications
10.1.1 Tightening Torques for Screws and Nuts
Material: Steel, Strength Class: 8.8
Material: Stainless Steel, Strength Class: 70
Material: Stainless Steel, Strength Class: 80
10.1.2 Noise Emissions
The values stated apply to a 50-Hz mains connection and pump
operation at maximum efficiency level. The sound pressure
might deviate significantly, depending on the working point.
For details, see “Pump characteristic” in the enclosed documen-
tation.
10.2 Maintenance Intervals
For information on motor maintenance intervals, please see the
Motor Supplier Documentation
.
Thread
M6
M8
M10
M12
M16
M20
Tightening
Torque [Nm]
11
27
54
93
230
464
Thread
M6
M8
M10
M12
M16
M20
Tightening
Torque [Nm]
7.4
17.5
36
62
150
303
Thread
M6
M8
M10
M12
M16
M20
Tightening
Torque [Nm]
1o
24
49
80
203
393
Pump Size
Impeller
Noise Level
dBA
711/712
Teeth
80
Impeller
81
3521/3522
Teeth
81
Impeller
83
3531/3532
Teeth
82
Impeller
82
3541/3542
Teeth
82
Impeller
86
3551/3552
Teeth
87
Impeller
87
Table 11 Noise emissions
Model
Interval
Maintenance Task
Chapter
All with "Sealing and Quench-
ing Liquid" option
Once a day
Check the sealing or quenching liq-
uid.
See
Chapter 9.3, "Inspection of Sealing and Quenching Liquid
L 2, L 3, L 4
Once a day
Check the oil level.
See
Chapter 9.5, "Lubrication of Shaft Bearing" page 15
.
KF1, KF2, KF3
5,000 h
Lubricate the shaft bearing.
See
Chapter 9.5, "Lubrication of Shaft Bearing" page 15
.
L 2, L3, L4
5,000 h
Change the oil.
See
Chapter 2.6.3, "Models L 2, L 3, and L 4: Disposal of Lubricating
.
L1
5,000 h
Lubricate the shaft bearing.
See
Chapter 9.5, "Lubrication of Shaft Bearing" page 15
.
All
When necessary
Replace the shaft seal.
See
Chapter 9.7, "Shaft Seal Replacement" page 17
.
All
When necessary
Replace the motor.
See
Chapter 9.6, "Motor Replacement" page 17
All
When necessary
Replace the shaft.
See
Chapter 9.11, "Pump Shaft Mounting and Alignment" page 26
All
According to
manufacturer's
specifications
Lubricate the motor bearings.
See
Chapter 9.4, "Lubrication of Motor Bearings" page 15
Table 12 Maintenance intervals
Содержание FSP Series
Страница 31: ...31 950 Spring Part Num ber Name ...