Pentair AURORA 341A Instruction And Repair Manual Download Page 1

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.

MODELS 341A, 342A and 344A

SINGLE STAGE END SUCTION PUMPS

INSTRUCTION AND REPAIR MANUAL

Part # A-03-279  |  © 2012 Pentair Ltd.  |  12/03/12 

MODEL 342A

MODEL 341A

MODEL 344A

Summary of Contents for AURORA 341A

Page 1: ...his manual to the owner of the equip ment or to the responsible party who maintains the system MODELS 341A 342A and 344A SINGLE STAGE END SUCTION PUMPS INSTRUCTION AND REPAIR MANUAL Part A 03 279 2012 Pentair Ltd 12 03 12 MODEL 342A MODEL 341A MODEL 344A ...

Page 2: ...e or animal base which can develop acids as well as grease containing rosin graphite talc and other impurities Under no circumstances should used grease be reused Warning Electrical Shock Hazard All electrical connections are to be made by a qualified elec trician in accordance with all codes and ordinances Failure to follow these instructions could result in serious personal injury death or prope...

Page 3: ...al fire caution procedures when using any petroleum cleaner REPAIRS Before starting any work insure the electrical power is locked out the system pressure has been lowered to 0 psi and tempera ture of the unit is at a safe level The pump may be disassembled using the illustrations and text provided Although complete disassembly is covered it will seldom be necessary to completely disassemble your ...

Page 4: ...ings with an interface fit and must be removed with a puller New ring s should be used for reassembly since it is likely that during removal this fit will be lost Do not remove wearing rings if not being replaced 9 Impeller wearing rings optional 14 and 15 are pressed on and must be cut off if replacement is necessary If they are turned off in a lathe take care not to cut into the impeller 10 Slid...

Page 5: ...ainer ring on bearing 54 comes in contact with frame 57 Place O ring oil lubed only 50 in place 344A 4 Fasten bearing cap 49 in position with capscrews 48 Insert grease seals 51A and position slingers 47 and 47A on the shaft 344A 5 The mechanical seal 27 see Figure 1 cannot be installed as an assembly It is necessary to have the seal seat properly in place in bracket 35 before the balance of parts...

Page 6: ...r bracket and secure with screws 5 On Model 342A pumps position gasket 72 and set pump assembly in place Tighten pump to base 73 with capscrews 39 13 Replace all relief cooling flushings or drain lines from the pump including compression connections 1 and 2 and tub ing 3 Replace all grease fittings pipe plugs tube vents and oiler assembly for oil lubricated units Connect discharge piping and sucti...

Page 7: ...MODELS 341A 342A 344A 7 FLEXIBLE CUP STATIONARY SEAT WASHER FLEXIBLE BELLOWS RETAINER DRIVE RING SPRING Figure 1 Mechanical Seal ...

Page 8: ...r Ring 25 Sleeve 27 Seal 32 Capscrew 33 Screw 34 Nameplate 35 Bracket 39 Capscrew 40 Washer 41 Support 61 Pin 1 Elbow 2 Connector 3 Tubing 4 Plug Pipe 5 Capscrew 6 Casing 7 Wear Ring 8 Gasket 9 Impeller Screw 9A Washer MODEL 342A LIST OF PARTS 9B Gasket 9C Capscrew Seal 10 Gasket 11 Impeller 12 Impeller Key 14 Wear Ring 15 Wear Ring 16 Wear Ring 25 Sleeve 27 Seal 32 Capscrew 33 Screw 34 Nameplate ...

Page 9: ...9 8 9 15 6 11 14 9A 41 35 33 34 32 27 25 61 16 5 2 3 39 9B 9C 3 4 1 7 12 10 40 4 MODEL 341A Figure 2 Model 341A Exploded View ...

Page 10: ...10 6 7 72 74 75 73 39 4 1 3 8 27 35 32 5 61 12 15 11 14 10 25 16 33 34 2 3 9B 9A 9C 9 4 MODEL 342A Figure 3 Model 342A Exploded View ...

Page 11: ...ODEL 344A 16 8 11 14 9A 9B 9C 7 15 27 25 61 12 10 49 52 50 55 42 54 57 64 2 3 5 35 63 62 39 60 33 46 56 51 47A 46 56 48 47 51A 53 41 40 44 59 58 59 9 6 1 3 4 34 32 4 59 43 Figure 4 Model 344A Exploded View ...

Page 12: ...his warranty shall be at its option to repair or replace any equipment or its component parts which has a defect covered by this warranty or to refund the purchase price of such equipment or part Under the terms of this warranty Seller shall not be liable for a consequential collateral special or liquidated losses or damages b equipment conditions caused by normal wear and tear abnormal conditions...

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