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10, 11

3

7

6

4

8, 9

2

1

5

Figure 8: Outside seal

1. Seal seat
2. Seal gland
3. Seal seat gasket (seat to cap or gland)
4. Seal seat gasket (seat to cover)
5. Shaft
6. Cover
7. Motor bracket
8. Seal gland cap screws
9. Washers
10.Rotating part of the seal
11.Seal set screws

10.For an inside seal:

a) Lubricate the bore of the rotating part of the seal with soapy water or other suitable

lubricant such as International Products Corporation P-80

®

, and install the seal on the

shaft with the rotating face up toward the motor until it contacts the snap ring.

b) Install the seal seat with seal cap or gland (with the gasket between the cap and the

motor bracket) over the end of the shaft and affix to the motor bracket with four cap

screws and washers. Tighten seal gland cap screws evenly to avoid misalignment

one quarter turn past hand tight.

c) The seal is now fully installed and will be set after coupling assembly.

4

5

9, 10

7

6

1

8

3

2

Figure 9: Inside seal

1. Rotating part of the seal
2. Shaft
3. Snap ring
4. Seal seat
5. Seal cap
6. Seal gasket
7. Cover
8. Motor bracket
9. Seal cap screws
10.Washers

6  Maintenance

Series e-80SCXL INSTRUCTION MANUAL

23

Содержание Bell & Gossett e-80SCXL Series

Страница 1: ...INSTRUCTION MANUAL P2005589 A Series e 80SCXL...

Страница 2: ......

Страница 3: ...ist 12 4 2 Typical pump installation 13 4 3 Typical system installation 14 4 4 Foundation requirements 15 4 5 Requirements for setting the baseplate 16 4 6 Level the base on a concrete foundation 17 5...

Страница 4: ...s been running for a few minutes 29 7 6 The pump unit runs but delivers too little or no liquid 29 7 7 The pump unit turns the other way when turned off 29 7 8 The pump unit produces excessive noise a...

Страница 5: ...Safety WARNING The operator must be aware of safety precautions to prevent physical injury Operating installing or maintaining the unit in any way that is not covered in this manual could cause death...

Страница 6: ...ols as shown in the following table Electrical hazard Magnetic fields hazard Electrical Hazard CAUTION 1 2 2 Safety instruction decals Alert symbol This safety alert symbol is used in manuals and on t...

Страница 7: ...ction decals are always clearly visible and readable 1 2 3 User safety General safety rules These safety rules apply Always keep the work area clean Pay attention to the risks presented by gas and vap...

Страница 8: ...micals or hazardous fluids that have come into contact with your eyes or your skin Condition Action Chemicals or hazardous fluids in eyes 1 Hold your eyelids apart forcibly with your fingers 2 Rinse t...

Страница 9: ...e unfasten the product by removing any screws bolts or straps Use care around nails and straps 4 If there is any issue then contact a sales representative 2 2 Pump lifting WARNING Assembled units and...

Страница 10: ...hand several times at least every three months Treat bearing and machined surfaces so that they are well preserved Refer to the drive unit and coupling manufacturers for their long term storage proce...

Страница 11: ...he pump has two options for the mechanical seal Figure 2 Inside mechanical seal Figure 3 Outside mechanical seal Intended applications WARNING This product can expose you to chemicals including Lead w...

Страница 12: ...al Viton Silicon Carbide Silicon Carbide Optional balanced outside seal Viton Silicon Carbide Silicon Carbide Operating temperature range F C 20 to 250 29 to 121 10 to 225 23 to 107 20 to 250 29 to 12...

Страница 13: ...unit or motor assembly from falling Failure to properly support the pump and motor assembly could result in personal injury and or property damage 4 1 2 Pump location guidelines WARNING Assembled unit...

Страница 14: ...to follow these instructions can result in serious personal injury or death or property damage Avoid serious personal injury and property damage Make sure that the flange bolts are adequately torqued...

Страница 15: ...with a mesh hole diameter of no less than 0 25 in 0 64 cm Check that flexible piping is used on both the suction and discharge sides of the pump when you use an isolation base Check that a B G Triple...

Страница 16: ...solation valve 9 Pipe from boiler chiller or converter 10 Cold water supply 11 B G Pressure Reducing Valve 12 B G Model 107A high capacity vent 13 B G 7 or 87 Air Vent 14 Drain valve Pressure relief v...

Страница 17: ...nes When viewing the pump from the end of the base plate establish a vertical line through the pump flange center On both sides of this vertical line a line that starts at the pump flange center and e...

Страница 18: ...hor bolt and a plain flat type W washer at each anchor bolt hole Otherwise the pump unit can shift Failure to follow these instructions can result in serious property damage and or moderate personal i...

Страница 19: ...anchor bolts Use an anchor bolt for each anchor bolt hole provided and use plain flat type W washers with each anchor bolt Baseplate checklist You must fulfill these requirements before the baseplate...

Страница 20: ...ed 2 5 F 1 4 C per minute You must follow these precautions before you start the pump Flush and clear the system thoroughly to remove dirt or debris in the pipe system in order to prevent premature fa...

Страница 21: ...quickly reaches the correct discharge pressure 5 If the pump fails to reach the correct pressure perform these steps a Stop the driver b Prime the pump again c Restart the driver 6 Monitor the pump wh...

Страница 22: ...Do not expose an idle pump to freezing conditions Drain all liquid that is inside the pump and the flush lines Failure to do so can cause liquid to freeze and damage the pump 5 5 Shut down the pump 1...

Страница 23: ...efore you disassemble the pump for overhaul 6 2 2 Drain the pump CAUTION Allow all system and pump components to cool before you handle them to prevent physical injury 1 Close the isolation valves on...

Страница 24: ...b If an inside seal remove the seal using a pair of screwdrivers to pry out the seal 7 Clean the seal box seal cap or gland and shaft CAUTION Avoid touching the faces of the seal and getting them dir...

Страница 25: ...ith the rotating face up toward the motor until it contacts the snap ring b Install the seal seat with seal cap or gland with the gasket between the cap and the motor bracket over the end of the shaft...

Страница 26: ...TC motor 1 2 3 Figure 11 Motor collar ring setting for IEC motor 1 Motor mounting surface 2 Collar ring 3 DC The collar ring is held in position on the motor shaft with set screws These set screws mus...

Страница 27: ...e During reassembly pump shaft and impeller will be pulled back up into position by the tapered washer acting against the tapered groove in the coupler 4 After the seal is pre assembled onto the pump...

Страница 28: ...ual loosen the bolts and repeat the tightening step 10 Slowly rotate the shaft by hand and check to see if any rubs occur a If no rubs occur prime and start the pump run for two minutes and determine...

Страница 29: ...and service representative and be prepared to provide this information 1 Complete nameplate data of pump and motor 2 Suction and discharge pipe pressure gauge readings 3 Ampere draw of the motor 4 A...

Страница 30: ...e RCD is activated Cause Remedy Motor leaking Check and repair or replace the motor Unsuitable type of differential Check the type of differential 7 4 The thermal overload protection of the motor is t...

Страница 31: ...runs but delivers too little or no liquid Cause Remedy Motor turns in the wrong direction Check the direction of rotation and change it if necessary Incorrect priming there are air bubbles in the suc...

Страница 32: ...sion vessel Pump unit oversized Contact Xylem or the Authorized Distributor 7 10 The pump unit never stops automatic start stop Cause Remedy The required flow rate s greater than the one expected Redu...

Страница 33: ...Lower the room temperature Cooling fan of the motor clogged or damaged Clean or replace the cooling fan The pump unit starts up too frequently See Part 7 8 The frequency converter if present has not...

Страница 34: ...paired or replaced Seller shall have no warranty obligations to Buyer with respect to any product or parts of a product that have been a repaired by third parties other than Seller or without Seller s...

Страница 35: ...n a manner contrary to Seller s instructions for installation operation and maintenance d damaged from ordinary wear and tear corrosion or chemical attack e damaged due to abnormal conditions vibratio...

Страница 36: ...gas utilities In more than 150 countries we have strong long standing relationships with customers who know us for our powerful combination of leading product brands and applications expertise with a...

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