Manuale d’uso / di manutenzione del prodotto 442 del fabbricante Aurora of America
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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 .
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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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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).
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.
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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Aurora of America 442 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Aurora of America 442 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Aurora of America 442 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Aurora of America 442 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Aurora of America 442, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Aurora of America 442.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Aurora of America 442. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Aurora of America 442 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
