ITT Goulds Pump 3355, Инструкция по установке, эксплуатации и обслуживанию

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2. Remove the flinger guards (499) if applicable.
3. Place the pump in a horizontal position.
4. Raise the discharge casing (100D) with wooden blocks so that the feet of the bearing bracket
(228C) are exposed by approximately 0.50 in. (1.27 cm).
5. Move back the thrower (248) or heat flinger (123B) if applicable.
6. Unscrew the nuts (425 and 427H) and then pull the bearing cover (119) off the bearing bracket
(228C).
7. Remove the bearing bracket (228C) by tapping the bearing flange lightly in an axial direction.
After the bearing bracket (228C) has been removed, you can freely move the shaft in an axial direc-
tion approximately 1/8 in. (0.30 cm). Standard shaft seals can absorb this adjustment without their
function being impaired. In the case of special shaft seals, follow the operating instructions of the
seal.
8. Unscrew the shaft nut (136A) with a spanner wrench. The shaft nut has a securing device that pre-
vents it from coming loose.
NOTICE:
Never re-use shaft nuts (136A).
9. Remove the ball bearings (409) with the bearing puller.
10. Check the shaft surface for damage. Grind away any furrows.
6.4.6 Disassemble the pump body
1. Loosen the nuts (357F) and remove the tie rod (356S).
2. Remove the suction casing (100F) and remove the O-ring (412K).
3. Loosen the impeller nuts (304) and remove the washer (199).
4. Dismantle the impeller (101) and diffuser (150) and then remove the impeller key (178). Mark all
parts for reassembly.
5. Remove the intermediate bearing housing (134C) and bearing sleeve (310).
6. Dismantle the pump in stages down to the discharge casing.
7. Invert the remaining portion of the pump.
Note that the bearing bracket (228C) faces up.
6.4.7 Disassemble the suction end ball bearings
1. Remove the heat flinger guards (499) if applicable.
2. Place the pump in a horizontal position and then raise the suction casing (100F) with wooden
blocks so that the feet of the bearing bracket (228C) are exposed by approximately 0.50 in. (1.27
cm).
3. Move back the thrower (248) or heat flinger (123B) if applicable.
4. Unscrew the nuts (425 and 427H) and then pull the bearing cover (119) off the bearing bracket
(228C).
5. Remove the bearing bracket (228C) by tapping the bearing flange lightly in an axial direction.
6. Unscrew the shaft nut (136A) with a spanner wrench. The shaft nut has a securing device that pre-
vents it from becoming loose.
NOTICE:
Never re-use the shaft nut (136A).
7. Remove the ball bearings (112) with the bearing puller.
8. Check the shaft surface for damage. Grind away any burs.
6.4.8 Remove the shaft seal
1. Remove the roller bearings (112) with a gear puller.
6.4 Disassembly
Model 3355 Installation, Operation, and Maintenance Manual 51