ITT GOULDS PUMPS 3316 Installation, Operation And Maintenance Instructions
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ITT GOULDS PUMPS 3316 Installation, Operation And Maintenance Instructions

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Installation, Operation and
Maintenance Instructions
3316

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Summary of Contents for ITT GOULDS PUMPS 3316

  • Page 1 Installation, Operation and Maintenance Instructions 3316...

  • Page 3: Table Of Contents

    Table of Contents Table of Contents 1 Safety.................................. 3 1.1 Important Safety Notice..........................3 1.2 Safety warnings............................3 1.3 Safety ................................ 4 1.4 General precautions ..........................5 1.5 ATEX Considerations and Intended use ....................7 1.6 Parts ................................8 2 Installation ................................. 9 2.1 Location..............................
  • Page 4 Table of Contents 6.4 Pump works awhile and then quits......................30 6.5 Pump takes too much power........................30 6.6 Pump leaks excessively at stuffing box....................30 6.7 Pump is noisy ............................30 7 Care and Maintenance ............................ 31 7.1 Lubrication - bearings..........................31 7.2 Lubrication - driver and coupling ......................

  • Page 5: Safety

    ITT Goulds pumps will provide safe, trouble-free service when properly installed, maintained, and operat- Safe installation, operation, and maintenance of ITT Goulds Pumps equipment are an essential end user responsibility. This Pump Safety Manual identifies specific safety risks that must be considered at all times during product life.

  • Page 6: Safety

    Trapped liquid can rapidly expand and result in a violent explosion and injury. ITT Goulds Pumps will not accept responsibility for physical injury, damage, or delays caused by a failure to observe the instructions for installation, operation, and maintenance contained in this Pump Safety Manual or the current IOM available at www.gouldspumps.com/literature.

  • Page 7: General Precautions

    Personal injuries will result if procedures outlined in this manual are not followed. ITT Goulds Pumps will not accept responsibility for physical injury, damage or delays caused by a failure to observe the instructions in this manual and the IOM provided with your equip- ment.
  • Page 8 1.4 General precautions WARNING Alignment: Shaft alignment procedures must be followed to prevent catastrophic failure of drive components or unintended contact of rotating parts. Follow coupling manufacturer's coupling installation and operation procedures. WARNING Before beginning any alignment procedure, make sure driver power is locked out. Fail- ure to lock out driver power will result in serious physical injury.

  • Page 9: Atex Considerations And Intended Use

    1.5 ATEX Considerations and Intended use CAUTION Never operate the pump without liquid supplied to mechanical seal. Running a mechani- cal seal dry, even for a few seconds, can cause seal damage and must be avoided. Physical injury can occur if mechanical seal fails. WARNING Never attempt to replace packing until the driver is properly locked out and the coupling spacer is removed.

  • Page 10: Parts

    1.6 Parts includes any modification to the equipment or use of parts not provided by ITT Goulds Pumps. If there is any question regarding the intended use of the equipment, please contact an ITT Goulds representative before proceeding. Current IOMs are available at www.gouldspumps.com/en-US/Tools-and-Resources/Literature/IOMs/ or from your local ITT Goulds Pumps Sales representative.

  • Page 11: Installation

    2 Installation 2 Installation 2.1 Location Pumping unit should be placed as close as practical to the source of supply. Always allow sufficient head room to remove the upper half casing of the pump and the rotating element. Floor space allotted to the pumping unit should be sufficient for inspection and maintenance.

  • Page 12: Initial Alignment

    2.3 Initial alignment NOTICE: Final tightening of foundation bolts is done after grout has set 48 hours. Figure 2: Mounting Unit on Foundation: Build wood dam around foundation as shown in Figure 1: on page 9. Wet top surface of con- crete foundation thoroughly.
  • Page 13 2.3 Initial alignment The following are suggested steps to establish the initial alignment of the pumping unit. NOTICE: This is an initial alignment. The final alignment is done after the unit has been run under actual operating conditions. The final alignment procedure is outlined in Section 4.4 Alignment - final on page 26 and must be followed.

  • Page 14: Piping - General

    2.4 Piping - general Check parallel misalignment - shaft axes parallel but not concentric-by laying straight edge across both coupling rims at top, bottom and both sides. See Figure 4: on page Figure 4: The unit will be in horizontal parallel alignment when the straight edge rests evenly on both halves of the coupling at each side.

  • Page 15: Install Suction Piping

    2.5 Install suction piping 2.5 Install suction piping General - properly installed suction piping is of extreme importance for trouble-free centrifugal pump operation. The suction pipe should be as large or larger than the pump suction. lncreasers, if used, should be eccentric and preferably at the pump suction flange, sloping side down.
  • Page 16 2.5 Install suction piping Figure 5: Installations With Pump Above Source of Supply - Suction Lift: Keep suction pipe free from air pockets. See Figure 5: on page • Piping should slope upwards from source of supply. • No portion of piping should extend above the pump suction nozzle.
  • Page 17 2.5 Install suction piping A foot valve should only be used if necessary for priming, or, if the pump is to be used on inter- mittent service and is required to hold its prime. Suction strainers when used should have a net free area of at least three times the suction pipe area.
  • Page 18 2.5 Install suction piping Figure 6: 3316 Installation, Operation and Maintenance Instructions...

  • Page 19: Piping - Discharge

    2.6 Piping - discharge Figure 7: 2.6 Piping - discharge A gate valve and a check valve should be installed in the discharge line. The check valve should be located between the gate valve and pump to permit inspection of the check valve. The gate valve is required for priming, regulation of flow capacity and for inspection and maintenance of the pump.

  • Page 20: Preparation For Operation

    3 Preparation for Operation 3 Preparation for Operation 3.1 Pump bearings The pump bearings are flood oil lubricated, and are not lubricated at the factory. A high quality turbine type oil, with rust and oxidation inhibitors, should be used. For the great majority of operating conditions, oil temperature will run between 50 and 180°F.
  • Page 21 3.3 Stuffing boxes When installing the packing and the PTFE lantern ring, twist the rings sideways just enough to get them around the shaft sleeves. Do not attempt to pull rings straight out to get them over shaft and shaft sleeve. See Figure 9: on page Figure 9:...

  • Page 22: Connection Of Equalizing Piping

    3.4 Connection of equalizing piping Insert upper half gland into stuffing box. Place cupped washers over the bosses on the gland to hold the gland halves together. Draw the gland nuts up evenly but not tight. Figure 11: Stuffing Boxes with Mechanical Seals: When mechanical seals are furnished the description and identification is indicated on the order write ups which are part of the order acknowledgment, certified dimension print and the packing list.

  • Page 23: Installation And Connection Of Bearing Cooling Water Piping

    3.6 Installation and connection of bearing cooling water piping 3.6 Installation and connection of bearing cooling water piping Bearing cooling coils are supplied when ordered. Bearings should be cooled when the liquid pumped is: Between 250° and 350°F, in addition to gland quenching. The cooling coils are installed as follows: Refer to 7.6 Sectional View on page 34...

  • Page 24: Starting Pump

    Starting Pump Starting Pump 4.1 Priming The pump must always be fully primed and the suction pipe full of liquid before pump is started. If pump is run dry, the rotating parts within the pump may seize to the stationary parts as they depend on the liquid being pumped for lubrication.
  • Page 25 4.1 Priming Figure 13: Close discharge gate valve, open 1st stage vent valve and open valve "S" in priming supply line until all air is expelled and water issues from vent opening. Close valve "S", close 1st stage air vent valve and start pump;...
  • Page 26 4.1 Priming Bypassing Around Discharge Check Valve See Figure 15: on page 24 Figure 15: This method can be used only when there is liquid under some pressure in the discharge line. The original prime must be effected from some outside source. After subsequent idle periods, open air vent valves and open valve in bypass line around discharge check and gate valves until liquid flows from air vent openings.

  • Page 27: Regulation Of Cooling Water Flow

    4.2 Regulation of cooling water flow Figure 16: Priming by Automatic Primer Pump, See Figure 17: on page Figure 17: Where there is a fluctuating suction lift that occasionally might drop below the normal limits of the pump or for installations where there is any quantity of air entrained with the liquid being pumped, the system shown in Figure 17: on page 25 is very well adapted.

  • Page 28: Adjustment Of Stuffing Box Gland

    4.3 Adjustment of stuffing box gland 4.3 Adjustment of stuffing box gland With pump running at rated speed, stuffing box glands can be adjusted. Draw gland nuts up evenly and only one-sixth of a turn at a time, allowing sufficient time between adjustments for the packing to adjust itself and the effect on the leakage to be observed.

  • Page 29: Operation

    Operation Operation Operation Stuffing box Stuffing Boxes with Packing Rings - Less Quenching Gland: Periodically inspect stuffing box to see that there is sufficient leakage to lubricate the pack ing and maintain a cool box. Never draw up packing so that the stuffing box heats, as this will cause damage to both packing and sleeve.

  • Page 30: Operating At Reduced Head

    5.3 Operating at reduced head A centrifugal pump should never be throttled for capacity adjustment on the suction side. 5.3 Operating at reduced head On motor driven pumps, when discharge head or pressure is allowed to drop considerably below the rat- ed point for any length of time, the motor should be watched for heating because the pump capacity in- creases rapidly with reduced head, as does horsepower consumption.

  • Page 31: Trouble Check List

    6 Trouble Check List 6 Trouble Check List 6.1 No water delivered Priming - casing and suction pipe not completely filled with liquid. Speed too low. Discharge head too high. Check total head (particularly friction loss). Suction lift too high (suction pipe may be too small or long, causing excessive friction loss). Check with gauge.

  • Page 32: Pump Works Awhile And Then Quits

    6.4 Pump works awhile and then quits Impeller diameters may be too small. Mechanical defects: Wearing rings worn. Impellers damaged. Casing gasket defective. Wrong direction of rotation. Be sure pressure gauge is in correct place on discharge nozzle of pump and not on top of casing. 6.4 Pump works awhile and then quits Leaky suction line.

  • Page 33: Care And Maintenance

    7 Care and Maintenance 7 Care and Maintenance 7.1 Lubrication - bearings Keep oiler bottle filled with correct grade of oil. (See 3.1 Pump bearings on page 18). Oiler will maintain constant oil level in bearing housing. Under normal operating conditions, a good grade of oil will be suitable for 6 months to one year between changes, as long as it is free from contaminants.

  • Page 34: Dismantling Of Pump

    7.5 Dismantling of pump Install stuffing box packing as described in Stuffing boxes. 7.5 Dismantling of pump Figure 18: Drain liquid from pump. Shut off and disconnect any auxiliary piping. Disconnect coupling. Remove gland assembly from stuffing boxes. Jack and remove dowel pins from upper half casing by use of hex nut provided on top of pins. Re- move nuts from casing parting studs and loosen upper half casing (100) by screwing two bolts (½"-13 threads) in holes provided in the flange.
  • Page 35 7.5 Dismantling of pump applied evenly to the circumference of the outer race of the bearing. A steady pressure must be ap- plied to the puller screw. Figure 19: NOTICE: Never use hammer blows to drive shaft through bearings. Protect bearings from dirt or other contamination. 14.

  • Page 36: Sectional View

    7.6 Sectional View 7.6 Sectional View 7.7 Optional Constructions 3316 Installation, Operation and Maintenance Instructions...

  • Page 37: Parts List And Interchangeability Chart

    7.8 Parts List and Interchangeability Chart 7.8 Parts List and Interchangeability Chart *Are interchangeable with Goulds Model 3405 Double Suction Single Stage Pumps †On these sizes, impeller wearing rings are standard ‡Used when impeller is furnished with wearing rings Used when impeller is furnished without wearing rings ●Sizes 1-1/2 x 2-9, 2 x 3-9G, 2 x 3-11 and 3 x 4-11G, not available in steel or stainless steel ▪Flame hardened to 550 Brinell (B) ductile iron on Group L 3316 Installation, Operation and Maintenance Instructions...
  • Page 38 7.8 Parts List and Interchangeability Chart Materials of construction Cu percent Sn % Pb % Zn % P % Ni % 1102 84-86 – – 1103/1106 87 1.75 .05-.15 0.75 1000 - cast iron - corresponds to ASTM A48 Class 25 1003 - cast iron - corresponds to ASTM A48 Class 30 Construction details Group S...

  • Page 39: Pressure & Temperature Capability

    7.9 Pressure & Temperature Capability Group S Group M Group L Max liquid temp without cool- 250°F ing or quenching Max liquid temp with quench- 350°F ing gland and bearing cool- †Max suction pressure is 240 PSIG *Gland quenching recommended on hot water above 212°F 7.9 Pressure &...

  • Page 40: Overhaul Of Pump

    7.10 Overhaul of pump Acceptable minimum standard ANSI mating flanges and Casing fittings Group Curve Material Suction Discharge Bronze 300 PSI flat face bronze 300 PSI flat face bronze 250 PSI flat face cast iron 250 PSI flat face cast iron 7.10 Overhaul of pump The following items should be checked: Wearing Ring Clearance:...
  • Page 41 7.10 Overhaul of pump Figure 20: 3316 Installation, Operation and Maintenance Instructions...
  • Page 42 7.10 Overhaul of pump Impeller Wearing Rings: If the unit has impeller wearing rings and it is necessary to replace the rings: Remove old rings by removing the three set screws and pulling ring off hub. Clean hub and press on new ring. Drill and tap three holes 120°...

  • Page 43: Reassembly Of Pump

    7.11 Reassembly of pump 7.11 Reassembly of pump The following directions are for use when the pump is completely dismantled and it is desired to reas- semble. See 4.3 Adjustment of stuffing box gland on page If the impeller diameters have been cut in the field, the impellers should be statically balanced and, if possible, dynamically balanced.
  • Page 44 7.11 Reassembly of pump Figure 22: Left hand pump 3316 Installation, Operation and Maintenance Instructions...
  • Page 45 7.11 Reassembly of pump Figure 23: Right hand pump Assemble the shaft sleeve (104) that has keyways in the threaded end but does not have spanner wrench holes. Turn sleeve in a clockwise direction on shaft until the dimension from the threaded end of the sleeve to the shaft shoulder at thrust bearing or outboard seat agrees with the dimension 3316 Installation, Operation and Maintenance Instructions...
  • Page 46 7.11 Reassembly of pump on Figure 23 for right hand or Figure 22 for left hand rotation. This dimension must be held as near as possible with the keyways in the shaft and sleeve in alignment. Insert impeller key (178) in shaft keyway. Turn sleeve (104) about a quarter turn, either way, so that key cannot enter keyway in this sleeve until after impellers are checked for correct setting in casing.
  • Page 47 7.11 Reassembly of pump end of the shaft to eliminate any possibility of binding between the outside of the bearing and the bearing housing bore. Now continue to drive the bearing solidly against the shaft shoulder. 19. Screw shaft nut (110) on shaft and tight against bearing (112). 20.

  • Page 48: Changing Rotation Of Pump In Field

    7.12 Changing rotation of pump in field Now tighten shaft sleeve (104) against impeller until the marks, which were made previously, line up indicating that the keyways are in line. Check again the distances "C" and "D". If rubbing occurs, turn the shaft sleeve (104) one half of a turn or a complete turn ahead or back as required.

  • Page 49: Emergency Ball Bearing Replacement

    7.13 Emergency ball bearing replacement 7.13 Emergency ball bearing replacement If the thrust end ball bearing (112) has become worn and needs replacing and it is not desirable to over- haul the entire pump, the bearing can be replaced as follows: NOTICE: This cannot be done on the coupling end unless the pump or the driver is removed from the bedplate, or unless a spacer coupling is used.

  • Page 50: Instructions For Ordering Spare Parts

    7.15 Instructions for ordering spare parts Stuffing box gland packing (210) - one set for four gland halves. Stuffing box gland halves (107) - four required. With these parts on hand, pump can be easily and quickly reconditioned by replacing the worn parts.
  • Page 51 Visit our website for the latest version of this document and more information: www.gouldspumps.com ITT Goulds Pumps, Inc. 240 Fall Street Seneca Falls, NY 13148 Form IOM.3316.en-US.2020-02 ©2020 ITT Inc. The original instruction is in English. All non-English instructions are translations of the original instruction.

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