Flo Fab 2FFSE411A Руководство по установке, эксплуатации и техническому обслуживанию - Страница 7

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11. Inspect motor winding for shorts

and check resistance values. Check

rotor for wear. If rotor or the stator

windings are defective, the complete

motor must be replaced.

Shaft Seal:

12. Remove snap ring from seal plate.

Remove shaft and motor rotor from

seal plate.

13. Remove seal's rotating member,

spring and retaining ring from seal

plate. Examine all seal parts, if seal

faces show signs of wear, uneven

wear pattern, chips or scratches

replace

entire

seal.

interchange

seal

components,

replace the entire shaft seal. If

replacing seal, remove stationary

from seal plate by prying out with at

screwdriver.

Bearings:

14. Examine lower bearing, and

upper bearing, if replacement is

required, remove by using a wheel

puller.

Reassembly

IMPORTANT! - All parts

must

clean

reassembly. Handle seal

parts with extreme care. DO NOT

damage lapped surfaces.

Bearings:

1. Press bearings and onto shaft.

Shaft Seal:

2. Clean seal cavity in seal plate and

oil. Press seal's stationary member

rmly into seal plate, use a seal tool

or pipe. Nothing should come in

contact with the seal face except the

seal tool. Be sure the stationary is in

straight.

3. Place seal's retaining ring, spring

onto shaft. Lightly oil (Do not use

grease) shaft and inner surface of

bellows.

4. With lapped surface of rotating

member facing outward, slide over

shaft using a seal tool, being carefull

not to damage seal face. Make sure

spring is seated in retaining ring and

spring is lined up on rotating

member and not cocked or resting

on bellows tail.

Motor:

5. Slide rotor/shaft with bearings and

NOT

seal parts into seal plate until bearing

seats into seal plate. Install snap ring

into seal plate.

6. Place spring washer onto bearing

and lower housing and stringing

motor leads through the cord entry

bore, with motor stator onto seal

plate.

7. Place screws through seal plate

into housing and torque to 60 in/lbs.

before

Power Cord:

8. Check power cord for cracks or

damage and replace if required.

Reconnect motor leads to the

underside of the terminal holder.

9. Place power cord with nylon

housing, ring, washer and gland nut

into housing and tighten gland nut

to 17.5 ft/lbs.

Impeller, V-ring and Volute:

10. Position v-ring into seal plate until

seated.

11. Clean the threads with thread

locking compound cleaner. Apply

removable Loctite® 242 or equivalent

to shaft threads. Screw impeller onto

the shaft hand tight while using a

screwdriver in the slot at the end of

the shaft to hold it stationary. Rotate

impeller to check for binding.

12. Position gasket on volute ange

and position impeller and motor

housing assembly on volute.

13. Place lock washers on cap screws

and screw into volute. Torque to 11

ft/lbs. Check for free rotation of

impeller.

14. Re ll with cooling oil.

Service