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TABLE 4-4. Tightening Torque for Impeller and Rotor Bolts
Note: Rotor Bolts have left hand threads.
TABLE 4-5. Tightening Torque for Pump Casing and Rear Bearing Housing Bolts
Note: Number follows M represents nominal threads OD in mm.
TABLE 4-3. Adjusting Value of Gap “g”
Note: “g” Gap has a +/-0.1mm adjustment range or +/-0.004 in. tolerance
TABLE 4-1. Bearing Wear Limit
Note: 15A = Front Bearing, and 15B = Rear Bearing
TABLE 4-2. Playing Gap of Rotor (Axial End Play)
Motor Frame Number *
New Bearing
3111
0.7~1.9mm (0.028~0.075 in.)
3115, 3211
0.7~2.1mm (0.028~0.083 in.)
3215, 3311
0.7~2.1mm (0.028~0.083 in.)
3315
0.9~2.5mm (0.035~0.098 in.)
Motor Frame Number *
A-B
L
3111, 3115(15B)
0.3mm (0.012 in.)
44.2mm (1.746 in.)
3115(15A), 3211, 3215(15B)
0.4mm (0.016 in.)
49.2mm (1.937 in.)
3215(15A)3311, 3315(15B)
0.4mm (0.016 in.)
59.2mm (2.331 in.)
3315(15A)
0.4mm (0.016 in.)
69.2mm (2.724 in.)
Motor Frame Number *
Impeller Size
“g” Adjusted
3111
SG, SF
4mm (0.158 in.)
SG, SF, TG
4mm (0.158 in.)
3115, 3211
TF
4.2mm (0.165 in.)
SG, SF, TG
4mm (0.158 in.)
3215, 3311
TF
4.2mm (0.165 in.)
3315
TF
4.5mm (0.177 in.)
M otor S ize
B olt T yp e
B olt S ize
V alu e of T orq u e
(ft. lb .)
3111 Im peller M 8
8
3115, 3211
Im peller
M 10
13
3215, 3311
Im peller
M 12
22
3315 Im peller M 14
34
3111, 3115
R otor
M 8
8
3211, 3215
R otor
M 10
13
3311, 3315
R otor
M 12
34
Motor Size
Bolt Type
Bolt
Size
Value of Torque
(ft. lb.)
3111, 3115, 3211,
& 3215(SG, SF)
Pump Casing
M10
26
3215(TG, TF),
3311, & 3315
Pump Casing
M12
44
All Rear
Bearing
Housing
M10 26
Summary of Contents for DynaPump LE Series
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Page 21: ...Figure 4 2 g Gap Figure 4 1 Bearing Wear Page 13...
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