Aurora of America Horizontal Split Case & Split Case Fire Pump manuale d’uso

INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS FOR MODEL 442 HORIZONTAL SPLIT CASE & MODEL 492 SPLIT CASE FIRE PUMP[...]

TABLE OF CONTENTS PAGE i T O P I C P A G E PUMP IDENTIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 STORAGE OF PUMPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 CAUTION NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 INTRODUCTI[...]

[...]

PUMP IDENTIFICATION PAGE 1 PUMP IDENTIFICATION Congratulations! You are the owner of one of the fi nest pumps commercially available. If you give it the proper care as outlined and recommended by this manual, it will provide you with reliable se rvice and long life. 442 & 492 SPLIT CASE PUMPS Your Aurora Model 442 & 492 is a Split Case Pump[...]

PAGE 2 STORAGE OF PUMPS AND CAUTION NOTES THESE INSTRUCTIONS APPLY T O THE PUMP ONLY. THEY ARE INTEND ED TO BE GENERAL AND NOT SPECIFIC. IF YOU R OP ERATING CONDITIONS EVER C HANGE, ALWAYS REFE R TO THE FACTORY FOR REAPPLI CA TION. ALWAYS REFER TO THE MAN UALS PROVIDED BY MANUFACTURERS OF THE OTH ER EQUIP MENT FOR THEIR SEPARATE I NSTRUCTIONS. CAUT[...]

INTRODUCTION AND INSTALLATION PAGE 3 INTRODUCTION This manual contains information that is the result of ca refully conducted engi neering and resea rch efforts. It is designed to supply adequate instru ctions for the safe and efficient installation, operation maintenance of your pump. Failure or neglect to properly install, operate or maintain you[...]

PAGE 4 INSTALLATION (continued) 3. MINIMUM SUBMERGE NCE OF SUCTION PIPE AND PIT DESIGN For installations where the pump draws fluid from a su mp, the hydraulic characteristic s of the pump, the suction inlet submergence and NPSH must be consi dered. Generally, it is require d that an evenly dist ributed flow of non-aerated water be sup plied to the[...]

INSTALLATION (continued) PAGE 5 7. GROUTING When the alignment is correct, the unit should be gr outed usin g hig h-grade non-shrinki ng grout. The entire base should be filled with grout. Be sure to fill all gaps and voids. Allow the gro ut to fully cure before firml y tightening the foundation bolts. Then recheck t he alig nment before connecting[...]

P A G E 6 INSTALLATION (continued) FIGURE 3 COUPLING ALIGNM ENT FINAL COUPLING ALIGNMENT (continued) B. Check the angular alignme nt with a micrometer o r caliper. Measure from the outside of one flange to the outside of the other at intervals around the per iphery of the coupling. Determine the max imum and minimum dimensions. DO NOT RO TATE THE C[...]

INSTALLATION continued) P A G E 7 13. MECHANICAL SEALS CAUTION: DRY OPERATION OF THE PUMP MAY CAUSE DAMAGE TO THE MECHANICAL SEAL AND IMPELLER. Model 442 pumps can be supplie d with optional single face mecha nical shaft seals. Mechanical seals are installed and adjusted in the factory and requi re no further adjustments in the field. For further i[...]

P A G E 8 OPERATION Because variations exist in both the equipment used with these pumps and in the particular installation of the pump and driver, specific operatin g instructions are not within the scope of this manual. However, there ar e general rules and practices that apply to all pump installations and operation. CAUTION: BEFORE STARTING OR [...]

OPERATI ON (continued) PAGE 9 3. STARTING THE PUMP A. After the pump is primed, and with the discharge va lve closed and the suction va lve open, start the driver according to the driver manufacturer’s instruction s. B. Open the discharge valve slowly to prevent water hammer. C. After the pump has been started, check beari ng temp eratures, packi[...]

P A G E 1 0 MAINTENANCE 1. MAINTENANCE HISTORY DATE MAINT ENANCE PERFORMED PART S USED SYMBOL NUMBER(S)[...]

MAINTENANCE (continued) PAGE 11 2. INSPE CTIONS AND PREVENTIVE MAINTENANCE REQUIREMENTS To assure satisfactory operation of the pump, daily in spections and perio dic maint enance are required. We suggest that an inspection and maintenance log be k ept and that the inspector i mmediately report any problems. A guide for preventive maintenan ce for [...]

P A G E 1 2 MAINTENANCE (continued) 4. PACKING BOX CAUTION: DO NOT TIGHTEN THE GLAND TO STOP ALL LEAKAGE. LEA KAGE IS NECESSARY TO ENSURE THE COOLING, FLUSHING AND LUBRI CATION OF THE PACKING AND TO PREVENT SHAFT SLEEVE DAMAGE. The packing boxes on Aurora Pump s are packed at the fa ctory. All packing is subject to wear and shoul d be given regular[...]

MAINTENANCE (continued) PAGE 13 5. PACKING REPLACEMENT (continued) PUM P M ODEL ( PUM P SIZE ) 5-442-18 6-442-15 6-442-18 8-442-15 PACKING BO X Sleeve O.D. 1-3/4 1-7/8 2-1/2 2-1/2 3 3 3-7/8 Pack ing Box I.D. 2-1/2 2-5/8 3-1/2 3-1/2 4 4 5-1/8 Pack ing Box Depth 2-13/16 3-1/4 4-1/8 4 4 1/8 4 1/8 5-9/16 PACKING SIZE 3/8 3/8 1/2 1/2 1/2 3/4 5/8 Qty. of[...]

P A G E 1 4 MAINTENANCE (continued) 6. PUMP DISASSEMBLY (continued) E. Remove the capscrews that secure the bearing ca rtridge covers (159) to the bearing ca rtridges and remove the cartridges from the rotating assembly. WARNING: TO PREVENT POSSIBL E SERIOUS PERSONAL INJURY, EXTREME CARE SHOULD BE EXERCISED TO SELECT THE PROPER PULLER, AND APP ROVE[...]

MAINTENANCE (continued) P A G E 1 5 7. PUMP ASSEMBLY CAUTION: READ THIS ENTIRE PROCEDURE BEFORE CONTINUIN G. Following are step-by -ste p instructions for assembly of the pump and are essent ially the reverse order of the instructions for disassembly. A. Thoroughly clean all parts to remove oil, grea se and foreign material. Inspect for wear or dam[...]

P A G E 1 6 MAINTENANCE (continued) 7. PUMP ASSEMBL Y (continued) CAUTION: THIS PUMP MAY BE SUPPLIED IN SEVERAL DIFFERENT CONFIGURATI ONS. EACH USES DIFFERENT BEARING COVER S AND HOUSINGS WITH DIFFE RENT DRAWING REFERENCE NUMBERS. DESPI TE THE FOLLOWING INSTRUCTIONS, ALWAYS REFER TO THE SECTION AL DRAWINGS CO NTAINED IN THIS MANUAL BEFORE PROCEEDIN[...]

MAINTENANCE (continued) PAGE 17 7. PUMP ASSEMBLY (continued) CAUTION: BE SURE BEARI NG HOUSING/CASING MATING SURF ACES ARE CLEAN AND FREE FROM BURRS, AS THIS WILL AFFECT THE ALIGNMENT OF THE ROTOR/CAS ING. L. Attach the bearing cartridges to the lower casin g using the appropriate do wel pins (158B). M. Inspect the upper casing (3) to assure that t[...]

P A G E 1 8 REPAIR PARTS ORDERING PARTS There are a variety of options available for this pump. When ordering part s, give the pump serial number, size and figure number and a complete description and item num ber of each part. Refer to the drawin gs and parts list in the back of this manual. You should order part s from your local Aurora Pump dist[...]

N O T E S P A G E 1 9[...]

P A G E 2 0 N O T E S[...]

N O T E S PAGE 21[...]

PAGE 22 SECTIONAL DRAWING Figure 6 STANDARD CONSTRUCTION[...]

S E C T I O N A L D R A W I N G S P A G E 2 3 Figure 7 REF. NO. DESCRIPTION REF. NO. DESCRIPTION 1 IMPELLER 118 CLOSURE 2 CASING, LOWER HALF 126 WATER SLINGER 3 CASING, UPPER HALF 157 GASKET, CASI NG 4 SHAFT 158A GREASE SE AL 6 BEARING HOUSIN G A158 BEARING CART., INBOARD, GREASE LUB E 10 LANTER N RING B158 BEARING CART., OU TBOARD, GREASE L UBE 14[...]