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SPX TG H86-100 - User Manual

SPX TG H86-100
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A.0500.351 – IM-TG H/07.02 EN (10/2015)
TopGear H
INTERNAL GEAR PUMPS
ORIGINAL INSTRUCTIONS
READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT.
INSTRUCTION MANUAL

Table of Contents

Questions and Answers

  • D
    Danielle MurphyAug 15, 2025
    Why SPX Water Pump has no flow and is not priming?
    • M
      Miss Lauren Silva MDAug 15, 2025
      The SPX Water Pump might not be priming due to several reasons. The suction lift may be too high, so you should reduce the difference between the pump and suction tank level, increase the suction pipe diameter, or reduce the length and simplify the suction pipe. There could be an air leak in the suction line that needs repair. If the viscosity is very low, increase the pump speed and reduce axial clearance. Also, check if the suction strainer or filter is clogged and clear it if necessary. Ensure the pump casing is correctly installed. Finally, verify the motor's rotation direction, changing connections for 3-phase drivers or swapping the suction and discharge openings, while checking the safety relief valve location.
  • K
    kelly19Aug 25, 2025
    Why SPX Water Pump consumes too much power or becomes hot?
    • M
      marcushillAug 25, 2025
      If your SPX Water Pump is consuming too much power or getting hot, the pump speed might be too high; reduce it and consider installing a larger pump if necessary. The gland packing could be too tight, so check or replace it. Misalignment of the coupling can also cause this issue, so check and correct the alignment. If the viscosity is too high, increase the axial clearance, heat the pump, reduce the pump speed, or increase the discharge pipe diameter.
  • M
    Max DavidAug 28, 2025
    How to fix a noisy SPX Water Pump?
    • J
      Jasmin RamirezAug 28, 2025
      If your SPX Water Pump is too noisy, it could be due to several reasons. The pump speed might be too high; reduce it and consider installing a larger pump if necessary. Cavitation could be occurring, so reduce the difference between the pump and suction tank level, and increase the suction pipe diameter. High back pressure could also be the issue; increase the pipe diameter, reduce the working pressure, and check accessories like filters or heat exchangers. Check and correct the coupling alignment. Vibration of the base plate or pipings can also cause noise; make the base plate heavier and/or fix the base plate/pipe work better. Finally, damaged or worn ball bearings can contribute to the noise; replace them if necessary.
  • C
    Cole ClaytonAug 31, 2025
    What causes rapid wear in SPX Water Pump?
    • K
      Kenneth PhillipsAug 31, 2025
      Rapid wear in your SPX Water Pump can be caused by several factors. High back pressure can be a culprit, so increase the pipe diameter, reduce the working pressure, and check accessories like filters and heat exchangers. Solid matter in the liquid can also cause wear, so filter the liquid. The pump running dry is another cause; correct the liquid supply, provide a level switch or dry running protection, heat up the liquid, and stop or reduce air sucking. Finally, corrosion can lead to rapid wear, so consider changing the pump materials or application parameters.
  • C
    Carla Gaines MDSep 3, 2025
    What causes motor overloading in SPX Water Pump?
    • B
      Bonnie MooreSep 4, 2025
      Motor overloading in your SPX Water Pump can stem from several issues. High back pressure might be the cause; increase the pipe diameter, reduce the working pressure, and check accessories like filters and heat exchangers. If the gland packing is too tight, check and replace it. High viscosity can also lead to overloading; increase the axial clearance, heat the pump, reduce the pump speed, or increase the discharge pipe diameter.
  • D
    Dawn TaylorSep 7, 2025
    What causes rapid wear of the mechanical seal in SPX Water Pump?
    • M
      mthomasSep 7, 2025
      Rapid wear of the mechanical seal in your SPX Water Pump can be attributed to several factors. If the viscosity is too high, heat the pump or install a double mechanical seal. Bad de-aerating or dry running can also cause this; fill the pump with liquid and check the position of the relief valve or top cover. High temperature can be a factor; reduce the temperature or install a suitable mechanical seal. If the priming period is too long or there's dry running, reduce the suction line, provide dry running protection, and check the maximum allowable dry running speed for the mechanical seal. Finally, if the liquid is abrasive, filter or neutralize it, or install a double mechanical seal with hard seal faces and barrier liquid.
  • T
    Tina DennisSep 10, 2025
    What to do if SPX Water Pump is leaking?
    • J
      Jerry DickersonSep 10, 2025
      If your SPX Water Pump is leaking, it could be due to the gland packing leaking excessively; check or replace the gland packing. Alternatively, the mechanical seal may be leaking, in which case you should replace it.
  • M
    Morgan WarrenNov 17, 2025
    What to do if SPX Water Pump has not enough capacity?
    • J
      Jessica SantiagoNov 17, 2025
      If your SPX Water Pump isn't providing enough capacity, several factors could be responsible. The pump speed might be too low; if so, increase it, but be careful not to exceed the maximum speed and check the NPSHr. Air could be getting into the system; repair any leaks in the suction line, and check or replace the shaft seal. Cavitation might be occurring, so reduce the difference between the pump and suction tank level, and increase the suction pipe diameter. High back pressure could also be the issue; check the discharge pipe, increase the pipe diameter, reduce the working pressure, and inspect accessories like filters or heat exchangers. Ensure the safety relief valve isn't set too low and correct the pressure setting if needed. If the viscosity is too low, increase the pump speed, inst...
  • E
    Ethan FlowersNov 20, 2025
    Why does SPX Water Pump stall or have irregular flow?
    • M
      Michele MasonNov 20, 2025
      If your SPX Water Pump is stalling or experiencing irregular flow, it could be due to several reasons. The liquid level in the suction tank might be too low; correct the liquid supply or provide a level switch. The output may be too high; reduce the pump speed or install a smaller pump, or install a by-pass line with a check-valve. Air could be getting sucked in; repair any leaks in the suction line, check or replace the shaft seal, provide a quench on the shaft seal, or connect plug Bb to the pump discharge to increase pressure in the sealing box. Cavitation might be occurring; reduce the difference between the pump and suction tank level, and increase the suction pipe diameter. Alternatively, the liquid may be vaporizing in the pump due to heating; check the temperature and vapor pressur...

Summary

Introduction to TopGear H Pumps

Safety Precautions

Crucial safety measures for operating and maintaining the pump.

General Technical Information

Key Pump Characteristics

Presentation of essential performance data like viscosity and speed limits.

Shaft Sealings Options

Safety Relief Valve Function

Pump Installation Procedures

General Installation Guidelines

Basic instructions for proper pump unit installation and safety.

Location and Site Selection

Foundation and Stability Requirements

Recommendations for pump unit foundation, mounting, and stability.

Drive System Integration

Pump Start-up Procedures

Start-up Prerequisites and Checks

Essential requirements and initial checks before pump operation.

Pump Cleaning, Venting, and Filling

Initial Start-up Checklist

A comprehensive checklist for verifying readiness for initial pump start-up.

Troubleshooting Pump Issues

Common Problems and Solutions

Guide to diagnosing and resolving common pump malfunctions.

Pump Maintenance Instructions

General On-site Maintenance

Guidelines for performing routine on-site maintenance operations.

Preparation for Maintenance

Motor Safety During Maintenance

Precautions to ensure motor safety during pump servicing.

Fluid Draining Procedure

Assembly and Disassembly Instructions

General Assembly and Disassembly Rules

Assembly Preparation Steps

SPX TG H86-100 Specifications

General IconGeneral
BrandSPX
ModelTG H86-100
CategoryWater Pump
LanguageEnglish

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