Table of Contents
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MODEL 344A
MODEL 342A
MODEL 341A
MODELS 341A, 342A and 344A
SINGLE STAGE END SUCTION PUMPS
INSTRUCTION AND REPAIR MANUAL
NOTE! To the installer: Please make sure you provide this manual to the owner of the equip ment or to the responsible
party who maintains the system.
Part # A-03-279 | © 2012 Pentair Ltd. | 12/03/12
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Table of Contents
Related Manuals for Pentair AURORA 342A
Summary of Contents for Pentair AURORA 342A
- Page 1 INSTRUCTION AND REPAIR MANUAL NOTE! To the installer: Please make sure you provide this manual to the owner of the equip ment or to the responsible party who maintains the system. Part # A-03-279 | © 2012 Pentair Ltd. | 12/03/12...
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Page 2: California Proposition 65 Warning
SECTION 6 ITEM 340 DATED JUNE 1998 SUPERSEDES ITEMS 341, 342, 344 DATED MARCH 1992 NOTE Warning: This repair manual is applicable to pump Models 341A, Spraying Water Hazard 342A and 344A. All photos illustrate Model 344A. When servicing pump replace all gaskets and seals. Do not ATTENTION: SAFETY WARNINGS: re-use old gaskets or seals. - Page 3 MODELS 341A-342A-344A Over lubrication should be avoided as it may result in over- CAUTION heating and possible bearing failure. Under normal applica- tion, adequate lubrication is assured if the amount of grease is Use normal fire caution procedures when using any maintained at 1/3 to 1/2 the capacity of the bearing and adjacent petroleum cleaner.
- Page 4 MODELS 341A-342A-344A DISASSEMBLY Disassemble only what is needed to make repairs or accomplish inspection. (See Figure 2 for Model 341A, Figure 3 for Model 342A and Figure 3 for Model 344A.) 1. Disconnect and lockout power source to prevent drive unit from being energized during disassembly.
- Page 5 MODELS 341A-342A-344A 13. The seal flexible cup and stationary seat should be pressed REASSEMBLY out of the bracket (35) and the cavity cleaned of all residue. Make sure that the 1/32 inch radius in the seal seat cavity is Reassembly will generally be in reverse order of disassembly. not damaged during disassembly since a sharp edge can eas- If disassembly was not complete, use only those steps related to ily cut the flexible cup during reassembly.
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Page 6: Starting Pump After Reassembly
MODELS 341A-342A-344A Secure support (41) to bracket (35) with capscrews (39) and STARTING PUMP AFTER REASSEMBLY washers (40). Frame sizes 143 thru 184-JM Model 341A only. Do not start pump until all air and vapor has been bled and until making sure that there is liquid in the pump to provide the 7. - Page 7 MODELS 341A-342A-344A SPRING FLEXIBLE CUP DRIVE RING STATIONARY SEAT RETAINER FLEXIBLE BELLOWS WASHER Figure 1. Mechanical Seal...
- Page 8 MODELS 341A-342A-344A MODEL 341A LIST OF PARTS Elbow 9A. Washer 27. Seal Connector 9B. Gasket 32. Capscrew Tubing 9C. Capscrew Seal 33. Screw Plug, Pipe 10. Gasket 34. Nameplate Capscrew 11. Impeller 35. Bracket Casing 12. Impeller Key 39. Capscrew Wear Ring 14.
- Page 9 MODEL 341A Figure 2. Model 341A Exploded View...
- Page 10 MODEL 342A Figure 3. Model 342A Exploded View...
- Page 11 MODEL 344A Figure 4. Model 344A Exploded View...
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Page 12: Warranty
WARRANTY Seller warrants equipment (and its component parts) of its own manufacture against defects in materials and workmanship under normal use and service for one (1) year from the date of installation or start-up, or for eighteen (18) months after the date of shipment, whichever occurs first.