SPXFLOW CombiFlexBloc Series, Instruction Manual

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38 Disassembly and assembly
CFB/EN (1808) 2.4
7.8.2 Assembling the stub shaft and the motor
1 For electric motors with IEC-size 80 upto and including 112M: Remove the key from
the motor shaft.
2 Put the motor in vertical position, shaft end up. Fit the stub shaft (2200) on the motor
shaft. Do not fix the stub shaft yet!
3 For electric motors with IEC size 80 upto and including 112M: make sure the set
screws (2280) are positioned over the key way in the motor shaft.
4 Place shims between the lantern piece and the motor flange and fit the lantern piece
(0250) to the electric motor. See Table 5 for the proper thickness X of the shims
5 Mount the pump cover (0110), the mechanical seal (1200) and the impeller (0120).
6 Push the impeller on the stub shaft until the back blades touch the pump cover.
7 Fix the stub shaft on the motor shaft with the set screws (2280).
8 Slightly loosen the fastening bolts (0850) of the electric motor and remove the shims.
9 Tighten the fastening bolts (0850) of the electric motor crossways with the
prescribed tightening moment, see paragraph 10.3.1 "Tightening moments for bolts
and nuts".
10 Place the gasket (0300) and fit the pump casing (0100). Fix the pump casing with
nuts (0810). Tighten them crossways. see paragraph 10.3.1 "Tightening moments for
bolts and nuts".
Table 5: Shim thickness X for adjusting the stub shaft
Pump type Shim thickness X
all types 0,5 mm