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Peerless Pump 2BT11 Скачать руководство пользователя страница 4

d. Examine impeller passages for cracks, dents, gouges
or embedded material.

e. Examine the mechanical seal for wear at the seal
faces and for damage to the bellows. Replace the
complete seal if cracking or hardening of the bellows is
evident, or if the lapped seal faces are cracked, nicked
or scored.

2-2. REPAIR. Make needed repairs in the following
manner:

b. If impeller wear surfaces are defective, the impeller
skirts must be machined to install new impeller rings.
Machine to the diameter shown in column B of Table I.
Machining must be concentric with impeller bore. The
I.D. of factory supplied impeller rings is machined for a
shrink fit to the impeller.

c. Straighten or replace shafts having excessive run-out
(eccentricity). See paragraph 2-1b.

a. If ID of casing rings (7) is grooved, scored or
eccentric, replace the casing rings.

TABLE I

PUMP MODEL

A

IMPELLER/CASE RING

DIAMETRICAL CLEARANCE

B

IMPELLER SKIRT DIAMETER

FOR RING INSTALLATION

2BT11

.015/.019 inches

4.741/4.739 inches

3BT9

.015/.019 inches

4.382/4.380 inches

3BT9G

.015/.019 inches

4.382/4.380 inches

4BT10

.015/.019 inches

4.741/4.739 inches

4BT10G

.015/.019 inches

4.382/4.380 inches

4BT11

.015/.019 inches

5.366/5.364 inches

4BT11G

.015/.019 inches

4.828/4.826 inches

4BT12

.015/.019 inches

4.741/4.739 inches

6BT11

.015/.019 inches

5.616/5.614 inches

6BT14

.015/.019 inches

6.117/6.115 inches

6BT14G

.015/.019 inches

6.117/6.115 inches

8BT12

.015/.019 inches

6.492/6.490 inches

8BT15

.015/.019 inches

8.369/8.367 inches

8BT15G

.015/.019 inches

7.118/7.116 inches

10BT12

.015/.019 inches

7.868/7.866 inches

10BT14A .015/.019

inches 9.263/9.261

inches

10BT14J

.015/.019 inches

9.263/9.261 inches

TABLE II

                                                    *TORQUE VALUES SHOWN ARE FOR CLEAN
                                                    LUBRICATED THREADS, AND GASKETED
                                                    JOINTS.

TORQUE VALUE (lb.-ft.)*

SIZE

INCH

MEDIUM CARBON

STEEL

SAE J429 GRADE

5

105-120,000 PSI

TENSILE

1/4

7-8

3/8 23-25

1/2

59-62

5/8 120-125

3/4

210-225

7/8 305-325

1 421-465

HEAD

SYMBOL

4

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Содержание 2BT11

Страница 1: ...es no warranty as to starting equipment electrical apparatus or other material not of its manufacture since the same are usually covered by warranties of the respective manufacturers thereof Peerless Pump Company Indianapolis IN 46207 7026 This bulletin is intended to be a permanent part of your pump installation and should be preserved in a convenient location for ready reference If these instruc...

Страница 2: ...lift rotating element from lower casing 1A d Place rotating element in a convenient work place Purchased without the consent of Peerless Pump Company or its authorized representatives Disregard of this warning can result in pump failure and serious personal injury or death SECTION I DISASSEMBLY 1 3 ROTATING ELEMENT Disassemble in the following manner a Loosen set screws and remove the coupling hal...

Страница 3: ... on which bearings mount must be smooth and have a finish of 32 micro inches or better c Measure the OD of the impeller wear surfaces and the ID of the casing rings 7 Compute the diametrical clearance ID minus OD and compare with the limits given in Table I If measured diametrical clearance exceeds two times the value in Table I repair to restore design clearance is recommended ID surface of casin...

Страница 4: ...A IMPELLER CASE RING DIAMETRICAL CLEARANCE B IMPELLER SKIRT DIAMETER FOR RING INSTALLATION 2BT11 015 019 inches 4 741 4 739 inches 3BT9 015 019 inches 4 382 4 380 inches 3BT9G 015 019 inches 4 382 4 380 inches 4BT10 015 019 inches 4 741 4 739 inches 4BT10G 015 019 inches 4 382 4 380 inches 4BT11 015 019 inches 5 366 5 364 inches 4BT11G 015 019 inches 4 828 4 826 inches 4BT12 015 019 inches 4 741 4...

Страница 5: ...ing gasket must seal against the gland O ring 119B c Se the rotating element into lower casing Position the casing rings 7 so that the dowel pins engage in slots in the lower case split surface d Center the shaft in the lower case so that the dimension from the shaft shoulder at the mechanical seal 80 to the end of the lower casing 1A is the same at each end of the pump e Install and tighten the t...

Страница 6: ...n suction line or through stuffing boxes Impeller passages restricted Worn wearing rings Damaged impeller Foot valve too small or Restricted by dirt Reprime Check for low motor voltage or motor over load Other drives increase driver speed when possible Check to see that all discharge valves are opened and the discharge line is free from obstructions In some cases the installation has to be altered...

Страница 7: ...tion Replace bearings Check lubricants for proper grade Check pump alignment Always obtain new trim diameter from Peerless representative SPARE PARTS To keep delays to a minimum when pump repairs are required we suggest stocking a spare parts kit which includes the following parts a One set of mechanical seals 65 80 b One square key impeller 32 c One square key coupling 46 d One set of dowel pins ...

Страница 8: ...lletin are subject to change and or modification without notice by Peerless at their option Peerless Pump Company P O Box 7026 Indianapolis IN 46207 7026 Phone 317 925 9661 Fax 317 924 7388 4853854 The content of this manual is subject to change without notice Copyright 1998 by Peerless Pump Company Printed in U S A 06982 2BB ...

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