Reassembly
Model 710 TruBlue Installation, Operation, and Maintenance Manual
66
Assembly references
Sound pressure levels
Sound pressure levels L
pA
in dB(A)
Group
Pump Size
Sound Pressure Level [dB A]
At Speed (rpm)
3500
2900
1750
1450
'S'
Group
1x1-1/2-6
64.2
60.4
51.5
48.2
1x1-1/2-6G
63
59.2
50.3
47
1-1/2 x3-6
65.6
61.8
52.9
49.6
2x3-6
68.3
64.5
55.6
52.3
1x1-1/2-8
64.9
61.1
52.2
48.9
1x1-1/2-8H
66.4
62.6
53.7
50.4
1-1/2x3-8
68.2
64.4
55.5
52.3
'M'
Group
2x3-8
to be determined
3x4-7
70.2
66.4
57.5
54.1
3x4-8G
73.2
69.4
60.5
57.2
1x2-10
71
67.2
58.3
55
1.5x3-10
71.3
67.5
58.6
55.3
2x3-10
74.5
70.7
61.8
58.5
3x4-10
77
73.2
64.3
61
1.5x3-13
76
72.2
63.3
60
Table notes:
• Sound pressure level L
pA
measured in 1 m distance from the pump surface according to
DIN 45635, part 1 and 24.
• Room and foundation influences are not considered.
• The tolerance for these values is +/-3 dB(A).
Bolt torque values
Screw torque values
This table provides the recommended screw torque values.
Location
Bolt size
Torque for lubricated
threads in Nm | lb-ft
Torque for dry threads
in Nm | lb-ft
Casing screws
M12
35 | 26
50 | 37
M16
105 | 77
150 | 111
M20
210 | 155
305 | 225
All other screws
M10
40 | 30
50 | 37
M12
60 | 44
90 | 66
M16
150 | 111
220 | 162
Nut torque values
This table provides the recommended nut torque values.
Location
Frame size
Torque for lubricated
threads in Nm | lb-ft
Torque for dry threads
in Nm | lb-ft
Impeller nut
S
35 | 26
45 | 33
M
105 | 77
130 | 96
Bearing types
Use this table in order to determine the correct bearings for the pump. You can find the size of
the bearing frame in the data sheet or the order confirmation.
Bearing frame size
Radial bearing
Thrust bearing
S
6307 - C3
3307A - C3
