Xylem 9100 Series Base Mounted Centrifugal Fire Pumps AC User Manual

1 INSTRUCTION MANUAL AC8585 REVISION C9100 Series Base MountedCentrifugal Fire PumpsINSTALLER: PLEASE LEAVE THIS MANUAL FOR THE OWNER’S USE.

e. Install the outer guard capscrews by following the step stated below which pertains to your particular pump: i. For pumps with a motor saddle supp

Method 1 – Straight Edge Alignment for Standard Sleeve Type Coupler with Black Rubber Insert 11 (See Figure 6A) Proceed with this method only if sati

misalignment is .004"T.I.R. per inch of radius R (See Figure 6B). Grid Couplings NOTE: The following procedure is intended for mounting and align

FIGURE 6E – SEATING THE GRID 14. Pack the spaces between and around the grid with as much as coupling vendor supplied grease as possible and wipe off

Fastener Tightening Torque ValuesSizeParallel Offset(P)Angular(x-y)Hub Gap+/- 10%End FloatPhysical Limit (Min)2xFCover Fastener Tightening Torque Valu

14. DOWELING Dowel the pump and driving unit as follows: a. Drill holes through diagonally opposite feet and into the base. Holes must be of a diamet

Suction Piping When installing the suction piping, observe the following precautions (See Figure 7). The sizing and installation of the suction piping

There is always an uneven turbulent flow around an elbow and when it is in a position other than the vertical it causes more liquid to enter one side

18 is operating in conformance with the performance curve. If cavitation, vapor binding, or other unstable operation should occur, widely fluctuating

pressure. If slurry is present in the leakage, increase the pressure until only clear liquid drips from the box. If the drippage is corrosive or harmf

2 TABLE OF CONTENTS DESCRIPTION...3OPERATIONAL LIMITS ...3MAXIM

OPERATIONWARNING: Unexpected Startup Hazard 20 Disconnect and lockout power before servicing. Failure to follow these instructions could result in ser

c. Check and record voltage, amperage per phase, and kw if an indicating wattmeter is available.d. Check bearings for lubrication and temperature. N

CHANGING ROTATION 9100 Series Centrifugal Fire Pumps can be operated clockwise or counter-clockwise when viewed from the coupling end of the pump. If

23 TROUBLE SHOOTING Between regular maintenance inspections, be alert for signs of motor or pump trouble. Common symptoms are listed below. Correct an

24 CAUSES CURESNot Enough Pressure 21. Mechanical defects. See item 14 and 15. 22. Obstruction in liquid passages. Dismantle pump and inspect passag

MAINTENANCE1. GENERAL MAINTENANCE Operating conditions vary so widely that to recommend one schedule of preventative maintenance for all centrifugal p

4. PACKING SEAL When a pump with packing is first started it is advisable to have the packing slightly loose without causing an air leak. As the pump

27 MAINTENANCE TIME TABLE EVERY MONTH Check bearing temperature with a thermometer, not by hand. If bearings are running hot (over 180°F), it may be t

SERVICE INSTRUCTIONS 28 DISASSEMBLY AND REASSEMBLY PROCEDURES The procedures outlined in this section cover the dismantling and reassembly of the 9100

CAUTION: Extreme Temperature Hazard Allow pump temperatures to reach acceptable levels before proceeding. Open drain valve, do not proceed until liqui

SEAL OPERATING LIMITS DESCRIPTION The 9100 Series Centrifugal Fire Pumps are frame mounted pumps which feature – high efficiency, rugged construction,

ASSEMBLY (PUMP WITH PACKING) All bearings, O-rings, bearing isolators, gaskets, impeller rings, and casing wear rings should be replaced with new part

CAUTION: 31 DO NOT EXCEED 275°F. CAUTION: These are precision, high quality bearings. Excercise care at all times to keep them clean and free from

packing and casing. Install three rings of packing (1-924-9) and tap fully to bottom of both stuffing boxes. (See Figure 18) Stagger joints of each ri

APPENDIX “A” EXPLODED VIEW 33

34 APPENDIX “A” REPLACEMENT PARTS LIST QUANTITYPART NUMBER PART NAME PACKING0-901-0 Valve 2 (optional) 0-910-0 Pipe Plug 200-950-0 Pipe Nipple 2 (o

LIMITED END FLOAT COUPLINGS For units with drivers having sleeve bearings the coupling halves are set to limit total shaft axial movement to less than

36 DEALER SERVICING If trouble occurs that cannot be rectified, contact your local A-C Fire Pump Systems Representative. They will need the following

Xylem Inc. 8200 N. Austin Avenue Morton Grove, Illinois 60053 Phone: (847) 966-3700 Fax: (847) 965-8379www.xyleminc.com/brands/acfirepumpAC Fire Pump

SAFETY INSTRUCTIONS SAFETYINSTRUCTIONS This safety alert symbol will be used in this manual and on the pump safety instruction decals to draw attentio

ADDITIONAL SAFETY REQUIREMENTS ELECTRICAL SAFETY 5 WARNING: Electrical Shock Hazard Electrical connections to be made by a qualified electrician in a

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

7 INTRODUCTION1. PURPOSE OF MANUAL This manual is furnished to acquaint you with some of the practical ways to install, operate, and maintain this pum

8 8. FOUNDATION A substantial foundation and footing should be built to suit local conditions. The foundation must be substantial enough to absorb vib

10. GROUTING PROCEDURE Grout compensates for uneven foundation, distributes weight of unit, and prevents shifting. Use an approved, non-shrinking grou