Attach the dial indicators for alignment........................24 Align the flexible coupling with a straight edge......................25 Float control installation..............................25 Install the Square D 9036 simplex and 9038 duplex float controls..............26 Commissioning, Startup, Operation, and Shutdown....................28 Preparation for startup..............................28 Model 3171 Installation, Operation, and Maintenance Manual...
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Assemble the rotating element...........................46 Assemble the column..............................46 Assemble the impeller, suction cover, and strainer....................47 Troubleshooting................................48 Operation troubleshooting............................48 Assembly troubleshooting.............................49 Parts Listings and Cross-Sectional Drawings......................50 Dimensional drawings..............................50 Parts list.....................................51 Cross-sectional diagrams..............................54 Local ITT Contacts.................................56 Regional offices................................56 Model 3171 Installation, Operation, and Maintenance Manual...
• All service and repair work is done by ITT-authorized personnel. • Genuine ITT parts are used. • Only Ex-approved spare parts and accessories authorized by ITT are used in Ex-approved products. Limitations The warranty does not cover faults caused by these situations: •...
This includes any modification to the equipment or use of parts not provided by ITT. If there is a question regarding the intended use of the equipment, please contact an ITT representative before proceeding.
Use safety equipment according to the company regulations. Use this safety equipment within the work area: • Helmet • Safety goggles (with side shields) • Protective shoes • Protective gloves • Gas mask • Hearing protection Model 3171 Installation, Operation, and Maintenance Manual...
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• Beware of the risk of a sudden start if the product is used with an automatic level control. • Beware of the starting jerk, which can be powerful. • Rinse the components in water after you disassemble the pump. Model 3171 Installation, Operation, and Maintenance Manual...
ITT disclaims all responsibility for work done by untrained and unauthorized personnel. These are the personnel requirements for Ex-approved products in potentially explosive atmospheres: • All work on the product must be carried out by certified electricians and ITT-authorized mechanics. Special rules apply to installations in explosive atmospheres.
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• Monitor the pump components and the end temperature of the liquid. • Maintain proper bearing lubrication. • Do not modify the equipment without approval from an authorized ITT representative. • Only use parts that have been provided by an authorized ITT representative.
Remove packing materials from the unit. Dispose of all packing materials in accordance with local regulations. Inspect the unit to determine if any parts have been damaged or are missing. Contact your ITT representative if anything is out of order. Pump handling WARNING: •...
• Make sure that racks, containers, or crates bear the full weight of pumps or parts in order to prevent distortion. • Keep identification markings readily visible. • Immediately replace any cover you remove for internal access. Model 3171 Installation, Operation, and Maintenance Manual...
Cover the pump with black polyethylene with a minimum thickness of 6.0 mil (0.15 mm), and seal it with tape. Provide a small ventilation hole approximately 0.5 in. (12.0 mm) in diameter. Provide a roof or shed shelter in order to protect the pump from direct exposure to the elements. Model 3171 Installation, Operation, and Maintenance Manual...
General description Product description The 3171 is a vertical submerged bearing sump and process pump. This model is based on three bearing frames with 17 hydraulic sizes. The S/ST group has identical bearings with a slightly different shaft on the impeller end for the S and ST. The M/MT group is identical in all aspects for the power end.
• Size • Serial number • Item numbers of the required parts Refer to the nameplate on the pump casing for most of the information. See Parts List for item numbers. Motor support nameplate Model 3171 Installation, Operation, and Maintenance Manual...
NOTICE: Make sure that the code classifications on the pump are compatible with the specific environment in which you plan to install the equipment. If they are not compatible, do not operate the equipment and contact your ITT representative before you proceed. Permissible temperatures...
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The code classification marked on the equipment must be in accordance with the specified area where you plan to install the equipment. If it is not, contact your ITT representative before you proceed. Model 3171 Installation, Operation, and Maintenance Manual...
Test the earth (ground) lead to verify that it is connected correctly. NOTICE: Supervision by an authorized ITT representative is recommended to ensure proper installation. Failure to do so may result in equipment damage or decreased performance.
Typical installation A typical installation has these characteristics: • Bolts with a pipe sleeve that is two and a half times the size of the bolt diameter embedded in the concrete • Properly sized Model 3171 Installation, Operation, and Maintenance Manual...
If you use the vapor-proof option, then perform one of these actions in order to make sure that you have an air-tight seal: Support plate Action type Standard Insert the supplied gasket between the two flanges. Bolt the support plate to a metal sole plate that has a machined surface. Model 3171 Installation, Operation, and Maintenance Manual...
• The hold-down bolts for the pump and the driver are tightened. Make sure that all the piping This prevents air from entering the piping system or joints and fittings are airtight. leaks that occur during operation. Model 3171 Installation, Operation, and Maintenance Manual...
For outside tank mount and dry pit applications, allow the fluid level inside the tank or pit to rise above the casing level. In tailpipe applications, submerge the casing before you start the pump. Model 3171 Installation, Operation, and Maintenance Manual...
After the pump is brought to Refer to Impeller clearance setting in the Operations temperature for the first time, chapter. shut down the unit temporarily and readjust the impeller clearance. Model 3171 Installation, Operation, and Maintenance Manual...
The upper stuffing box is also used to minimize vapor emissions when the pump handles controlled substances. Motor support Upper stuffing box Gasket Discharge pipe Support plate Gasket 3 in. (76.2 mm) NPT female connection Pit cover Gasket Model 3171 Installation, Operation, and Maintenance Manual...
Alignment checks When to perform alignment checks You must perform alignment checks under these circumstances: • The process temperature changes. • The piping changes. • The pump has been serviced. Model 3171 Installation, Operation, and Maintenance Manual...
You must have two dial indicators in order to complete this procedure. Attach two dial indicators on the pump coupling half (X): a) Attach one indicator (P) so that the indicator rod comes into contact with the perimeter of the driver coupling half (Y). Model 3171 Installation, Operation, and Maintenance Manual...
Tighten all motor bolts. Float control installation ITT supplies several different float controls. Refer to the float control installation instructions provided with the controls for the proper installation procedure. This topic describes the Square D 9036 Simplex and Square D 9038 Duplex float controls.
If a pit cover is supplied with the pump, the float switch support pipe (435) and the upper rod guide (337) are installed by the factory. If the pit cover is supplied by others, you must locate, drill, and tap the holes before you install the switch. Model 3171 Installation, Operation, and Maintenance Manual...
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You can rotate the float switch around the center line of the pump on the radius (B). Install the float rod (334), float (342), and collars (335). You must maintain the radius (4) between the float switch column and the float. Model 3171 Installation, Operation, and Maintenance Manual...
Make sure that the coupling hubs are fastened securely to the shafts. Make sure that the coupling spacer is removed. The pump ships with the coupling spacer removed. Unlock power to the driver. Model 3171 Installation, Operation, and Maintenance Manual...
Refill the cups with fresh grease as needed. Frequently inspect the grease cups after startup in order to check usage and establish the best relubrication interval. 333H 333H Deflector Model 3171 Installation, Operation, and Maintenance Manual...
Precautions WARNING: The mechanical seal used in an Ex-classified environment must be properly certified. Prior to startup, make sure that all areas that could leak pumped fluid to the work environment are closed. Model 3171 Installation, Operation, and Maintenance Manual...
The clearance is set at 0.015 in. (0.4 mm) off of the suction cover at the factory, but could change due to piping attachment. Model 3171 Installation, Operation, and Maintenance Manual...
This pump is shipped without the coupling guard installed, because the motor and coupling are also not installed. Wrap the expanded metal shield (501) around the motor support. Install the two guard springs (501L). Model 3171 Installation, Operation, and Maintenance Manual...
Never operate any pumping system with a blocked suction and discharge. Operation, even for a brief period under these conditions, can cause confined pumped fluid to overheat, which results in a violent explosion. You must take all necessary measures to avoid this condition. Model 3171 Installation, Operation, and Maintenance Manual...
See Remove the coupling guard in the Maintenance chapter. Check the alignment while the unit is still hot. See Pump-to-driver alignment in the Installation chapter. Reinstall the coupling guard. Restart the pump and driver. Model 3171 Installation, Operation, and Maintenance Manual...
These bearing lubrication sections list different temperatures of the pumped fluid. If the pump is ATEX- certified and the temperature of the pumped fluid exceeds the permitted temperature values, then consult your ITT representative. Model 3171 Installation, Operation, and Maintenance Manual...
Maintenance (Continued) Thrust bearings The 3171 comes with a grease-lubricated duplex thrust bearing. The bearing is pre-lubricated at the factory. Regrease the bearing according to the schedule in the following table. Table 2: Lubricating intervals in operating hours Drive-unit size...
The manufacturer supplies a reference drawing with the data package. Keep this drawing for future use when you perform maintenance and seal adjustments. The seal drawing specifies the required flush fluid and attachment points. Model 3171 Installation, Operation, and Maintenance Manual...
You must handle and dispose of pumped fluid in compliance with the applicable environmental regulations. NOTICE: Make sure that all replacement parts are available before you disassemble the pump for overhaul. Model 3171 Installation, Operation, and Maintenance Manual...
Drain the liquid from the piping and flush the pump if it is necessary. Disconnect all auxiliary piping and tubing. Remove the coupling guard. Disconnect the coupling. Remove the pump from the sump Remove the motor bolts (371). Model 3171 Installation, Operation, and Maintenance Manual...
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Remove the suction cover (182). Remove and discard the suction cover gasket (351). Replace the gasket during reassembly. 10. Remove the discharge elbow-casing bolts (370H). 11. Disconnect any steady bearing flush tubing (190). Model 3171 Installation, Operation, and Maintenance Manual...
Remove casing. Do not remove casing collar (155) at this time. c) Remove the adapter (108) to column bolts. d) Remove the adapter. Do not remove steady bearing (197) at this time. 192/30 370G 536G 357V Model 3171 Installation, Operation, and Maintenance Manual...
Use a screwdriver in order to pry the labyrinth seal (332A) from the bearing shell (134). NOTICE: We recommend that you replace the labyrinth seal every time the pump is inspected. Remove the bearing retaining ring (361A). Model 3171 Installation, Operation, and Maintenance Manual...
Replace the shaft if runout exceeds 0.001 in. (0.03 mm). NOTICE: Do not use shaft centers for the runout check as they may have been damaged during the removal of the bearings or impeller. Model 3171 Installation, Operation, and Maintenance Manual...
You do not use the stuffing box Attach the head column (192) to the motor support with bolts (370M). Make sure that the vent holes are closer to the motor support. 370M 370L Model 3171 Installation, Operation, and Maintenance Manual...
Remove the snap ring (369), if applicable. b) Use a hydraulic press in order to press out the old steady bearing (197). c) Press in the new steady bearing. Model 3171 Installation, Operation, and Maintenance Manual...
Make sure that the pipe nuts are tight and that there is no strain on the pump. Rotate the shaft by hand in order to make sure that there is no binding. Connect all auxiliary piping. 10. Replace the pump half coupling hub (233) and lubricate the pump bearings. Model 3171 Installation, Operation, and Maintenance Manual...
The bearings are running hot. The pump and driver are not aligned properly. Realign the pump and driver. Check the lubricant for suitability and level. There is not sufficient lubrication. The lubrication was not cooled properly. Check the cooling system. Model 3171 Installation, Operation, and Maintenance Manual...
Replace the seal-chamber cover. chamber cover. The runout for the impeller wear ring is The shaft is bent. Replace the shaft. excessive. The wear ring was machined improperly. Replace or re-machine the impeller. Model 3171 Installation, Operation, and Maintenance Manual...
370G 528D 357V 372B 370H 351A 317N 358B 427G 536H Figure 7: 3171 exploded view (part 2 of 2) Parts list Table 6: Parts list with materials of construction Item Quantity Part name All iron Bronze Carbon CD4- 316SS Alloy Hast.
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A494-90 CW6M C1,1 Hastelloy C 1216 A890 1A CD4MCuN 1217 A494 N-7M Hastelloy B 2205 C1045 Carbon Steel Ground and Polished 2210 A108 Gr1211 Carbon Steel 2216 A276 316 Stainless Ground and Polished 2229 A276-91A Stainless Model 3171 Installation, Operation, and Maintenance Manual...
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B464 C20CB3 Carpenter 20 Schedule 40 Pipe 6511 Red Brass Pipe SPS 6519 B622 Hastelloy B Schedule 40 Pipe 6545 A312 316L Stainless Steel Schedule 40 Pipe 6548 Hastelloy C C-276 Schedule 40 Pipe Model 3171 Installation, Operation, and Maintenance Manual...
Camino La Colina # 1448 Condominio Industrial El Rosal Huechuraba – Santiago 8580000 Chile Middle East and Africa ITT - Goulds Pumps +30–210–677–0770 +30–210–677–5642 Achileos Kyrou 4 Neo Psychiko 115 25 Athens Greece Model 3171 Installation, Operation, and Maintenance Manual...
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