Mart Cyclone 30 Series, Инструкция по установке, эксплуатации и обслуживанию, Страница: 303 / 322

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Use a hoist or suitable lifting device with adequate lifting capacity to lift motor. Do not pick
up the complete pump and motor unit by the motor or pump shaft. The motor alone may be
lifted using the motor lifting eyes.
7. Remove nuts, washer, and mounting bolts from the pump mounting plate. Lift the pump and
mounting plate out of the tank and place in a suitable work area.
To lift pumping unit, use a hoist or device with suitable lifting capacity. . Do not pick up the
complete pump by the pump shaft.
8. Remove nuts (64) and capscrews (63) securing intermediate (61) to bearing frame (30).
Remove intermediate (61).
9. Remove capscrews (10) and washers (38) securing suction head (3) to casing (2). Remove
suction head (3). Remove suction head gasket (5).
10. Remove impeller capscrew (A4) and impeller washer (A1).
11. Remove impeller (1) from end of shaft (33) by hand. If impeller does not come off easily try
using two pry bars and gently prying on inside of suction eye. Warning: If you pry too hard
you can break the impeller. If the impeller does not come off easily then remove capscrews
(35) and washers (37) from backhead (6) and tap backhead (6) gently to drive impeller (1) off
shaft (33). Remove impeller key (A2). DO NOT HIT IMPELLER WITH A HAMMER - IT WILL
BREAK.
NOTE
If necessary, a hoist may be attached to casing (2) by removing pipe plugs (11) from casing (2)
and inserting lifting eyes into pipe plug holes.
12. Remove capscrews (10) and washers (38) securing backhead (6) to casing (2). Remove
casing (2) from pumping unit.
13. Remove capscrews (35) and washers (37) securing column (31) to backhead (6). Remove
backhead (6). Remove backhead o-ring (G16).
14. Remove shaft sleeve (34), if equipped.
NOTE
If throttle bushing (B3) is METAL, locking ring (B1) and capscrews (B4) are required.
Setscrews (B5) are not required. (Note: Drawing shows (B5) pointing to cap screws – Drawing
needs updating)
15. If METAL throttle bushing (B3) needs to be replaced, remove capscrews (B4) securing locking
ring (B1) to backhead (6). If equipped with NON-METAL remove capscrews (B4) securing
locking ring (B1) to backhead (6) Remove locking ring (B1) remove setscrews (B5) and
separate throttle bushing (B3) from locking ring (B1).
16. Loosen, but do not remove, setscrews (B6) in slinger (B2). Remove slinger (B2).
17. Remove capscrews (G9) securing bearing cap (G1) to bearing frame (30).
18. Pull shaft (33) and bearings from inboard side (motor coupling side/top side) of pumping unit.
19. Loosen set screws in coupling hub (70) and Using a puller, remove hub from shaft (33).
Remove coupling key (G11).
20. Remove bearing cap (G1) from shaft (33).
21. Un-crimp bearing lockwasher (G13). Un-screw bearing locknut (G4) and r emove bearing
lockwasher (G13).
22. Using a bearing press or bearing puller, remove radial bearing (G3) and thrust bearing (G2)
from shaft (33).
23. Remove lip seals (G5) from ring (71) and bearing frame (30). Remove lip seal (G6) from
bearing cap (G1).
CAUTION
CAUTION