English (US)
26
15.2.4 CRT 2, 4, 8 and 16
1. Mount coupling halves. Make sure the shaft pin is located in
the pump shaft.
2. Put the cap screws loosely back into the coupling halves.
3. Using a large screwdriver, raise the pump shaft by placing the
tip of the screwdriver under the coupling and carefully raising
the coupling to its highest point. See fig. 17.
Fig. 17 Coupling adjustment CRT 2, 4, 8, and 16
4. Now lower the shaft halfway back the distance you just raised
it and tighten the coupling screws (finger tight) while keeping
the coupling gap equal on both sides. When the screws are
tight enough to keep the coupling in place, then cross-tighten
the screws.
– Note the clearance below the coupling.
– Raise the coupling as far as it will go.
– Lower it halfway back down (1/2 the distance you just raised
it).
– Tighten screws (see torque specifications).
Fig. 18 Coupling adjustment clearance CRT 2, 4, 8, and 16
15.2.5 CR, CRN 32, 45 and 64
1. Make sure pump shaft is all the way down. Tighten the set
screws on the mechanical shaft seal.
2. Place the plastic adjusting fork under the cartridge seal collar.
See fig. 19.
Fig. 19 Coupling adjustment CR, CRN 32, 45 and 64
3. Fit the coupling on the shaft so that the top of the pump shaft
is flush with the bottom of the coupling chamber. See fig. 20.
Fig. 20 Coupling adjustment, CR, CRN 32, 45 and 64
4. Lubricate the coupling screws with an anti-seize, lubricating
compound. Tighten the coupling screws (finger tight) while
keeping the coupling gap equal on both sides and the motor
shaft keyway centered in the coupling half as shown in fig. 16.
When the screws are tight enough to keep the coupling in
place, then cross-tighten the screws.
TM02 1051 2713
The shaft can only be raised approximately 0.20
inches (5 mm).
TM02 1051 0501
M6 - 13 Nm
M8 - 31 Nm
M10 - 62 Nm
0.5x
x
TM04 3913 0409TM04 3914 0409
To avoid damaging the coupling halves, ensure that
the motor shaft keyway is centered in the coupling
half as shown in fig. 16.
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