Page 2
INSTRUCTION, INSTALLATION, MAINTENANCE AND REPAIR MANUAL SECTION 6 ITEM 3340 MODELS 3341 AND 3344 DATED JULY 2005 SUPERSEDES SECTION 6 ITEM 3340 SECTION 6 ITEM 3340 END SUCTION PUMPS DATED JANUARY 2004 DATED JULY 2005 SUPERSEDES SECTION 6 ITEM 3340 DATED JANUARY 2004 CALIFORNIA PROPOSITION 65 WARNING: INSTRUCTION, INSTALLATION, MAINTENANCE AND REPAIR MANUAL...
Page 3
MODELS 3341-3344 result in premature failure of both the pump and the driver. PUMP FLEXIBLE COUPLING DRIVER POWER FRAME The Aurora 3340 pump must be installed horizontally. Install isolating valves on each side of pump so pump maintenance can be performed without draining the system. Special mounting requirements may be required if the pump is to be mounted near a noise or vibration sensitive area.
Page 4
MODELS 3341-3444 back of the motor. An arrow is also located on the pump to show the direction of rotation. GATE VALVE INITIAL ALIGNMENT OF THE FLEXIBLE COUPLING. The pump and driver were accurately aligned at the factory. However, it is impossible to maintain this alignment during DISCHARGE PIPING shipping and handling.
MODELS 3341-3344 Warning: High Pressure Hazard LUBRICATION: The pump is rated at a maximum of 175 psi at 150°F. Do not exceed this pressure. Install properly sized pressure In dry locations, each bearing will need lubrication at least after relief valves in system. Failure to follow these instructions every 4,000 hours of running time or 6 to 12 months, whichever could result in serious personal injury, death or property is more frequent.
Page 6
MODELS 3341-3344 CAPSCREW TORQUE FOR COMMON BOLT DIAMETERS CAPSCREW HEAD IN-POUNDS FOOT-POUNDS TYPE MARKING 1/4” 5/16” 3/8” 7/16” 1/2” 5/8” 3/4” SAE Grade 5 UNITS KILOGRAM DIN CLASS 8.8 METERS (SAE Grade 5) FT-LBS Table 1. Torque Chart ring until the seal is tight against the seal insert. Install seal spring.
Page 7
MODELS 3341-3344 8. Remove impeller key (12). required) and tighten the power frame bolts per torque chart (see Table 1). 9. Remove the rotating portion of the mechanical seal (head). 25. Thoroughly clean the seal plate seal cavity. Inspect for sur- 10.
Page 8
MODELS 3341-3344 36. Open isolation valves and inspect pump for leaks. 3. Remove motor foot capscrews (62). Loosen the volute cap- screws (5), but do not remove them. Using the capscrews in 37. Return pump to service. the jackscrew holes, start to remove the pump assembly from the volute (6).
Page 9
MODEL 3341 LIST OF PARTS Pipe Plug 12. Impeller Key Capscrew 25. Sleeve Casing 27. Seal Gasket 32. Capscrew Impeller Screw 33. Screw 9A. Washer 34. Nameplate 9B. Gasket 35. Motor Bracket 9C. Capscrew Seal 35A. Seal Plate 10. Gasket 48.
Page 10
MODELS 3341-3344 9B 9A NOTE: Recommended spare parts shown in bold face type. Figure 7. Model 3341 Exploded View.
Page 11
MODELS 3341-3344 9B 9A NOTE: Recommended spare parts shown in bold face type. Figure 8. Model 3344 Exploded View.
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.
Need help?
Do you have a question about the Aurora 3341 and is the answer not in the manual?
Questions and answers