Xylem P81875F Series HSC and HSC-S Centrifugal Pump Manual do Utilizador

Series HSC and HSC-S Base Mounted Centrifugal Pumps INSTRUCTION MANUAL P81875 Revision F INSTALLER: PLEASE LEAVE THIS MANUAL FOR THE OWNER’S USE.

13. DOWELINGDowel the pump and driving unit as follows:a. Drill holes through diagonally opposite feet and into thebase. Holes must be of a diameter 1

11Suction piping should be short in length, as direct as possible,and never smaller in diameter than the pump suction opening.If the suction pipe is s

1216. Mechanical SealsMechanical seals are preferred over packing on some applica-tions because of better sealing qualities and longer service-ability

13CHANGING ROTATIONSeries HSC and HSC-S centrifugal pumps can be operated left hand or right hand when viewed from the pump end of the pump. If you w

14C. TROUBLE SHOOTINGBetween regular maintenance inspections, be alert for signs ofmotor or pump trouble. Common symptoms are listed below. Correct an

15Not Enough PressureCAUSES CURES21. Mechanical defects. See item 14 and 15.22. Obstruction in liquid passages. Dismantle pump and inspect passages of

16MAINTENANCE1. General MaintenanceOperating conditions vary so widely that to recommend oneschedule of preventative maintenance for all centrifugalpu

175. Packing SealWhen a pump with packing is first started it is advisable tohave the packing slightly loose without causing an air leak. Asthe pump r

1. Mechanical Seals on ShaftDISASSEMBLYNOTICE: Numbers that appear in parenthesis ( ), such as (1-939-9), may be used to order replacement parts. 1

1Remove coupler guard (see separate instructions on page29) and disconnect coupler.Remove external tubing (1-939-9) if supplied.2. Loosen but do not

2BELL & GOSSETT PUMPMODEL NO.SERIALNO.IDENT.NO.G.P.M. FT. HP R.P.M.P.S.I.MAX.WORKPRESS.6 x 8 x 12MHSC-S

ÓäASSEMBLYAll bearings, “O” rings, seals and gaskets should be replacedwith new parts during assembly. All reusable parts should becleaned of all fore

11. Slide the deflector over the shaft end; then push the shaftend through the oil seal and slide stuffing box fully ontothe shaft. DO NOT COMPRESS TH

2Ó2. Mechanical Seals on Shaft SleeveDISASSEMBLYNOTICE: Numbers that appear in parenthesis ( ), such as(1-939-9), may be used to order replacement pa

Remove coupler guard (see separate instructions on page29) and disconnect coupler.Remove external tubing (1-939-9) if supplied.2. Loosen but do not re

14. Remove the other seal, shaft sleeve and nut as describedin steps 11, 12 and 13.NOTE: For impellers with replaceable rings – remove therings (4-004

2x14. Slide the deflector over the shaft end; then push the shaftend through the oil seal and slide stuffing box fully ontothe shaft. DO NOT COMPRESS

3. Series HSC Pump – PackingDISASSEMBLYNOTICE: Numbers that appear in parenthesis ( ), such as(1-939-9), may be used to order replacement parts.3. Se

2ÇRemove coupler guard (see separate instructions on page29) and disconnect coupler.Remove external tubing (1-939-9) if supplied.2. Loosen but do not

13. Remove the other shaft sleeve and nut as described insteps 11 and 12.NOTE: For impellers with replaceable rings – remove therings (4-004-9) by cut

15. Cool the bearing to room temperature and coat bothsides with two or three ounces of recommended grease.16. Coat the inside of the bearing housing

3SAFETYINSTRUCTIONSThis safety alert symbol will be used in this manual and on thepump safety instruction decals to draw attention to safety relatedin

ÎäD. ORDERING PARTSThe pumps covered by this manual have been designed andbuilt with certain replaceable wearing parts. The recom-mended inventory of

1) The tissue in plants that brings water upward from the roots;2) a leading global water technology company.We’re 12,500 people unified in a common pu

PUMP LOCATIONLocate the pump so there is sufficient room for inspection, main-tenance and service. If the use of a hoist or tackle is needed,allow amp

5INTRODUCTION1. Purpose of ManualThis manual is furnished to acquaint you with some of thepractical ways to install, operate, and maintain this pump.R

6Foundation bolts should be set in concrete as shown inIllustration 4. An optional 4-inch long tube around the bolts atthe top of the concrete will al

711. ANSI/OSHA COUPLER GUARDREMOVAL/INSTALLATIONNOTE: Do not spread the inner and outer guards more thannecessary for guard removal or installation. O

8Method 1 – Straight Edge Alignment for Standard SleeveType Coupler with Black Rubber Insert (See Illustration 6A)Before aligning the coupler, make su

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