Related Manuals for ITT Goulds Pumps 3500
Summary of Contents for ITT Goulds Pumps 3500
- Page 1 Installation, Operation and Maintenance Instructions Model 3500 Medium Consistency Pump System...
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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 ................................. 8 1.6 Parts ................................9 2 Pump Description............................10 2.1 Introduction.............................. 10 2.2 Design concept............................ - Page 4 Table of Contents 6 Maintenance..............................29 6.1 Lubrication............................... 29 6.2 Impeller clearance adjustment ........................ 29 6.3 Disassembly ............................30 6.4 Inspection and overhaul .......................... 34 6.5 Reassembly of pump..........................35 6.6 How to order............................38 6.7 Emergency service..........................38 Model 3500 Medium Consistency Pump System Installation, Operation and Maintenance Instructions...
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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 http://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 Lift equipment only at specifically identified lifting points or as instructed in the current IOM. Current manuals are available at www.gouldspumps.com/literature_ioms.html or from your local ITT Goulds Pumps sales representative. Note: Lifting devices (eyebolts, slings, spreaders, etc.) must be rated, selected, and used for the entire load being lifted.
- Page 9 1.4 General precautions WARNING Make sure to properly lubricate the bearings. Failure to do so may result in ex- cess heat generation, sparks, and / or premature failure. CAUTION The mechanical seal used in an ATEX classified environment must be proper- ly certified.
- Page 10 Maintenance manual (IOM) can cause serious personal injury or damage to the equipment. This in- cludes 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.
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Page 11: Parts
The code classification marked on the equipment must be in accordance with the specified area where the equipment will be installed. If it is not, do not operate the equipment and contact your ITT Goulds Pumps sales representative before proceeding. -
Page 12: Pump Description
2 Pump Description 2.1 Introduction The ITT Goulds Model 3500 heavy duty stock pump is a centrifugal pump designed to handle paper stock up to approximately 16% O.D. consistency. The pump design incorporates special features to in- duce flow into the pump suction and to remove air that is present in stock at higher consistencies. -
Page 13: Construction Details
2.3 Construction details Figure 2: Suction standpipe zones 2.3 Construction details Casing - The casing is vertically split, top centerline discharge, providing a back pullout design for ease of maintenance. A renewable sideplate is incorporated into the design to reduce maintenance costs. The sideplate is sealed with an O-ring and gasket. - Page 14 2.3 Construction details Power End - A heavy duty power end is provided for maximum reliability. It includes a duplex angular contact thrust bearing and a cylindrical roller radial bearing for maximum load carrying ability. The bear- ings are sized for a two year minimum L (14 year average) life under the worst operating conditions.
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Page 15: Installation
3 Installation 3 Installation 3.1 Site / foundation A pump should be located near the supply of liquid and have adequate space for operation, mainte- nance, and inspection. Baseplate mounted pumps are normally grouted on a concrete foundation, which has been poured on a solid footing. -
Page 16: Level Baseplate
3.2 Level baseplate Baseplate Foundation J bolt Figure 4: J type foundation bolts 3.2 Level baseplate Place two sets of wedges or shims on the foundation, one set on each side of every foundation bolt. The wedges should extend 20 mm (.75 in) to 40 mm (1.5 in) above foundation, to allow for ade- quate grouting. -
Page 17: Alignment And Alignment Procedure
3.3 Alignment and alignment procedure 1. Shims or wedges 3.3 Alignment and alignment procedure The points at which alignment is checked and adjusted are: • Initial Alignment is done prior to operation when the pump and the driver are at ambient tempera- ture. -
Page 18: Set Up
3.4 Set up temperatures. Driver manufacturers should be consulted for recommended cold settings for other types of drivers (steam turbines, engines, etc.) Table 3: Cold setting of parallel vertical alignment Pumpage Temperature Set Driver Shaft 10° C (50° F) .05 mm (.002 in.) LOW 65°... -
Page 19: Parallel Alignment
3.5 Measurement Negative Reading - The coupling halves are further apart at the bottom than at the top. Correct by either raising the driver feet at the shaft end (add shims) or lowering feet at the other end (re- move shims) (Fig. 8). Figure 6: Positive Reading - The coupling halves are closer at the bottom than at the top. - Page 20 3.5 Measurement Vertical Correction (Top-to-Bottom) Zero indicator P at top dead center of coupling (12 o’clock) half Y, see Figure 5: Dial indicator mounting on page Rotate indicator to bottom dead center (6 o’clock). Observe needle and record reading. Negative Reading - Coupling half X is lower than coupling half Y. Correct by removing shims of thickness equal to half of the indicator reading under each driver foot.
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Page 21: Complete Alignment
3.6 Grout baseplate NOTICE: Failure to slide motor evenly will affect horizontal angular correction. Repeat steps 1 through 3 until indicator P reads .05 mm (.002 in.) or less. Re-check both horizontal and vertical readings to ensure adjustment of one did not disturb the other. -
Page 22: Alignment Check
3.7 PIPING Figure 10: Pour grout through grout hold in baseplate, up to level of dam. Remove air bubbles from grout as it is poured into place. Non-shrink grout is recommended (Fig. 12). Allow grout to set. Fill remainder of baseplate with grout. Remove air as before (Fig. 13). Figure 11: Allow grout to set at least 48 hours. -
Page 23: Preparation For Startup
4 Preparation for Startup 4 Preparation for Startup 4.1 Check rotation Lock out power to driver. Make sure coupling hubs are securely fastened to shafts. Unlock driver power. Make sure everyone is clear. Jog driver just long enough to determine direction of rotation. Rotation must correspond to arrow on bearing housing. -
Page 24: Operation And Controls
5 Operation and Controls 5 Operation and Controls 5.1 Air removal system (Refer to Figure 14) Figure 13: on page The air removal system consists of an on/off control valve (ARV), a vacuum relief valve (VR), a com- pound pressure gauge (PI), a vacuum pump and piping from the Model 3500 to the vacuum pump. The vacuum pump pumps the air from the Model 3500, via the degas piping. -
Page 25: Dilution System - Typical
5.3 Dilution system – typical pump centerline is typical. Above 170° F, the level must be increased to account for the increased vapor pressure of the stock. At the 195° F, a level of 13' to 14' above the pump centerline will be required. If the unit is equipped with a variable speed drive, output from the level controller would control the pump speed rather than the LCV position. -
Page 26: Seal/Vacuum Flush
5.4 Seal/vacuum flush with level and be 100% open at 85% level. DCV-1 will gradually close as the level decreases back to its set-point. The lower dilution valve (DCV-2) should be programmed to begin opening when DCV-1 is greater than 50% open, and should be 100% open, when DCV-1 is 100% open. -
Page 27: Standpipe Steam Heating
5.5 Standpipe steam heating Figure 14: 5.5 Standpipe steam heating Detailed operating instructions for optional standpipe steam heating are included in the appendix to this manual. 5.6 Pumping water or low consistency stock The Model 3500 pump system should be checked out with water to make sure everything is operating in accordance with all alarms and interlocks. -
Page 28: Shutdown Procedure
5.8 Shutdown procedure The vacuum pump starts. Begin adding stock to the standpipe. When the stock flow to the standpipe is at normal production, slowly close the dilution valves and switch the dilution controller to auto. Slowly lower the level set value to 20 to 25% leaving the level controller on automatic. If the pump dis- charge pressure drops or pumping becomes erratic, slowly increase the level until pumping is normal. - Page 29 5.10 Monitoring during operation The actual value of the level control (LCI) should be within the range of ± 5% of the set value. The nor- mal output signal should be 20-30%. If it is continuously lower than the set value, the regulation of the level control valve may be disturbed.
- Page 30 5.10 Monitoring during operation PROBLEM SYMPTOMS POSSIBLE CAUSE SOLUTIONS Consistency is too low, Motor overloaded Motor overloaded Volume flow above normal switch to manual control Flow transmitter is too sen- Increase transmitter re- Power consumption normal sitive sponse time Flow unstable Power consumption normal Control not working proper- Recalibrate or adjust con-...
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Page 31: Maintenance
6 Maintenance 6 Maintenance 6.1 Lubrication Oil lubricated bearings must be lubricated at the job site. Remove fill plug and add oil until level is at the center of the sight glass. Replace fill plug. Change the oil after 2000 hours for new bearings, thereafter every 2000 operating hours or 3 months (whichever comes first). -
Page 32: Disassembly
6.3 Disassembly Loosen adjustment bolts and nuts (D). Tighten each bolt (C) evenly while slowly rotating shaft, until impeller just starts to rub against suc- tion sideplate. Clamp a dial indicator to the power frame, with the button resting on the end of the shaft or against the face of the coupling hub. - Page 33 6.3 Disassembly Remove all auxiliary tubing and piping. Flush the pump to remove corrosive or toxic pumpage if required. Drain liquid from standpipe. Disconnect coupling and remove coupling spacer (refer to coupling instructions). Drain oil. If unit has stuffing box packing, remove the gland stud nuts. The gland is in two halves and can be removed.
- Page 34 6.3 Disassembly 29. Slide the complete shaft assembly from back end of bearing frame. (See Fig. 18) This includes the shaft, both bearings (radial and thrust), and bearing housing. Do not lose or damage bearing housing o-ring. Figure 16: 30. Using a bearing puller or a press, remove the inboard cylindrical roller bearing (409). Be sure to ap- ply the removing force to the inner race of the bearing to prevent damage to the races.
- Page 35 6.3 Disassembly Item Part Name Material ASTM No. Req'd SIGHT GAGE STEEL AND GLASS REPELLER 317SS A743 GR CG-8M STUD (GLAND) AISI 303 A582 TYPE 303 265A STUD (SIDEPLATE) AISI 303 A582 TYPE 303 INDUCER 317SS A743 GR CG-8M 275A CENTRIFUGE 317SS A276 TYPE 317...
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Page 36: Inspection And Overhaul
6.4 Inspection and overhaul Item Part Name Material ASTM No. Req'd O-RING (BRG. HSG.) BUNA 496C O-RING (INDUCER & CENTRI- PTFE FUGE) * "L" Group only ** Only one cooler on "S" & "M" Group Table 8: Bearing designation vs pump size and group Pump Size Group Thrust Bearing... -
Page 37: Reassembly Of Pump
6.5 Reassembly of pump Ball Bearings Replace if worn, loose, rough or noisy when rotated. Replacement bearings must be of the proper size and type as specified in the construction details (Figure 20). Labyrinth Oil Seals Inspect and replace if o-rings are torn or otherwise damaged. General All parts should be clean before assembly. - Page 38 6.5 Reassembly of pump Inner ring, inside Outer ring, balls and cage Inner ring, outside Angular contact, ball bearing assembly Figure 18: Install shaft flingers. Note: flingers are required on "L" group pumps only. Prop shaft upright and ap- ply a light coat of oil to the shaft turn for the flinger. Place flinger on shaft and push on by hand as far as possible.
- Page 39 6.5 Reassembly of pump Slide bearing housing (134A) with o-ring in place, over impeller end of shaft and over outboard bearing. Install labyrinth seal stator into thrust end cover with o-ring lubricant applied to o-ring. Place bearing end cover and .006" white manilla gasket over coupling end of shaft and fit into bear- ing housing.
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Page 40: How To Order
30. Follow procedures outlined in Section 4 - Preparation for Start-up. NOTICE: Pay particular attention to instructions concerning alignment and lubrication. 6.6 How to order When ordering parts call 1-800-446-8537 or your local ITT Goulds Representative. 6.7 Emergency service Emergency parts service is available 24 hours/day, 365 days/year... - Page 41 Visit our website for the latest version of this document and more information: www.gouldspumps.com ITT - Goulds Pumps Vertical Products Operation 3951 Capitol Avenue City of Industry, CA 90601-1734 Form IOM.3500.en-US.2022-12 ©2022 ITT Corporation The original instruction is in English. All non-English instructions are translations of the original instruction.
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