Peerless Pump 2BT11 Repair Instructions Download Page 1

REPAIR INSTRUCTIONS 
 

TYPE BT PUMPS 

 

Read this entire bulletin 

before attempting to repair this pump. For installation 
and operation refer to instruction bulletin 2880549. 
Properly installed, your Peerless pump will give you 
satisfactory, dependable service. We urge you to 
carefully read these detailed instructions to properly 
repair your pump. 
 
Failure to read and comply with installation and 
operating instructions will void the responsibility of the 
manufacturer and may also result in bodily injury as well 
as property damage. 
 
 
 
 
 
 
 
 
New equipment manufactured by Seller is warranted to 
be free from defects in material and workmanship under 
normal use and service for a period of one year from 
date of shipment;  Seller’s obligation under this warranty 
being limited to repairing or replacing at its option any 
part found to its satisfaction to be so defective provided 
that such part is, upon request, returned to Seller’s 
factory from which it was shipped, transportation 
prepaid.  This warranty does not cover parts damaged 
by decomposition from chemical action or wear caused 
by abrasive materials, not does it cover damage 
resulting from misuse, accident, neglect, or from 
improper operation, maintenance, installation, 
modification or adjustment.  This warranty does not 
cover parts repaired outside the Seller’s factory without 
prior written approval.  Seller makes 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 
instructions should become soiled, obtain a new copy 
from Peerless Pump Company. Include pump model 
and/or serial number with your request. 
 
Many models have suffix letters in the model number. 
When ordering repair parts, provide the complete model 
number including suffix letters and the pump serial 
number which are stamped on the pump nameplate. 
 
 
 
 
 
 
 
 

WARRANTY 

In   the   event,    notwithstanding    the   terms    of    this 
agreement, it is determined by a court of competent 
jurisdiction that an express warranty has been given by 
Seller to Purchaser with respect to the head, capacity or 
other like performance characteristics of said equipment, 
Seller’s liability for breach of the same shall be limited to 
accepting return of such equipment F.O.B. plant of 
manufacture, refunding any amount paid theron by 
Purchaser (less depreciation at the rate of 15% per year 
if Purchaser has used the equipment for more than thirty 
(30) days) and canceling any balance still owing on the 
equipment. 
 
 

THIS WARRANTY IS EXPRESSLY IN LIEU OF ANY 
OTHER WARRANTIES, EXPRESSED OR IMPLIED, 
AND SELLER SPECIFICALLY DISCLAIMS ANY 
IMPLIED WARRANTY OF MERCHANTABILITY OR 
FITNESS FOR A PARTICULAR PURPOSE. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

4853854 

Summary of Contents for 2BT11

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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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