21
(8) Insert the front casing along the stud bolts. Tighten the
bolts to secure the casing to the rear casing support.
Bolts:
For rear casing support (Common use)
Hex. Bolts M8x25 (W/SW) 3sets
For front casing
250-252GV(F) --- Hex. Nuts M6 (W/SW) 5sets
401-505GV(F) --- Hex. Nuts M8 (W/SW) 5sets
Assembling the pump delivered without separate motor
(1) Remove the Hex. Nuts (M6 or M8, 5pcs.) on the front side of the casing (lower part), and Hex.
Bolts (M8x25, 3pcs.) on the rear side (upper part). Separate the casing, rear casing support and
bracket from each other.
(2) Remove the pump base from the bracket.
(3) Fix the bracket to the motor (see (3) on P25), and insert the motor shaft into the outer magnet.
(see (4) on P26)
(4) Assemble the rest parts in the same procedure of
“2-3. Assembling the pump with standard
off-the-shelf motor
” from (5) on P26.
The following is the NEMA frame No. and the motor bolt size for the NEMA motor used in the U.S.A.
Model
HP
NAMA frame
Motor bolt size
Qty
250GV
3/4
56C
3/8
” x 1.5”
4
251GV(F)
1
252GV(F)
2
402GV(F)
2
403GV(F)
3
503GV(F)
3
505GV(F)
5
184TC
1/2
” x 1”
