Andritz ACP Series - User Manual

Questions and Answers

M
Maurice MarshallAug 15, 2025
What to do if Andritz ACP Water Pump does not convey medium?
- K
  Keith BarreraAug 15, 2025
  If your Andritz Water Pump is not conveying medium, several factors could be at play. It might not be sufficiently pre-filled, or a vapor lock could have formed; in this case, repeat the pre-filling process and increase the NPSH System. Alternatively, the differential pressure between the inlet and steam pressure might be too low, requiring you to check the suction line and increase the NPSH System. Other potential issues include air entering the suction line or shaft seal (check these components), blockages in the suction line, valve, or impeller (inspect for blockages), incorrect speed conditions (verify the speed), excessive pipe resistance (check pipe resistances), a closed pressure-side valve (open it), or a blocked pressure line (flush it).
M
Monica RobertsAug 18, 2025
Why does my Andritz ACP have high power consumption?
- J
  jilliancollinsAug 18, 2025
  If your Andritz Water Pump is experiencing high power consumption or power loss, there are several potential causes to investigate. Begin by checking the motor speed, as it may be too high. Also, verify the direction of rotation of the motor. Examine the pipe resistance, and check or correct the valve setting, as excessive flow resistance can contribute to this issue. If the density or viscosity of the medium being conveyed is unexpectedly high, contact ANDRITZ for further instructions. Lastly, inspect the pump itself for issues such as a deformed or eccentric pump shaft (replace if necessary), rotating objects rubbing inside (dismantle and inspect), or worn, damaged, or blocked components (check and replace parts as needed).
J
Jared FoleyAug 27, 2025
Why does my Andritz ACP Water Pump have excess bearing wear?
- B
  Barbara ThomasAug 27, 2025
  If your Andritz Water Pump bearings are experiencing excess wear, several factors could be contributing. The pump and motor may not be properly aligned; in this case, check and realign them. A broken or eccentric pump shaft can also cause this issue, requiring replacement of the shaft and bearing assembly. Rotating objects rubbing inside the pump can lead to wear, so dismantle the pump and inspect the interior. Other potential causes include a damaged or unbalanced impeller (dismantle and replace), insufficient or excess lubrication (check lubrication), poorly installed or soiled bearings (replace and check for contamination), or incorrect/non-original bearings (install original bearings).
B
brandi89Aug 30, 2025
What causes overheating in Andritz ACP Water Pump?
- K
  Kristen SheltonAug 31, 2025
  If your Andritz Water Pump is overheating or blocking, several issues could be the cause. Ensure the pressure-side valve is open. The pump may not be sufficiently pre-filled, so repeat the pre-filling process. The pump's output might be below the permitted minimum flow rate, requiring a check of the pump system requirements. Misalignment between the pump and motor can also cause overheating, so check and realign them. Other potential issues include worn or loose bearings (dismantle and replace), a broken or eccentric pump shaft (replace shaft and bearing assembly), a damaged or unbalanced impeller (dismantle and replace), rotating objects rubbing inside the pump (dismantle and inspect), or excessive flow resistance in the pipe (check and minimize pipe resistances).
A
ariveraSep 8, 2025
What to do if Andritz ACP Water Pump does not achieve pre-set values?
- B
  Benjamin RobinsonSep 8, 2025
  If your Andritz Water Pump isn't consistently reaching preset head and flow rate values, start by ensuring the system is properly pre-filled, repeating the process and increasing the NPSH plant if needed. Check the suction pipe and increase NPSH plant if the differential pressure between inlet and steam pressure is too low. Inspect the suction pipe and shaft seal for air entering the system. Verify the motor's rotation and speed are correct. Look for any clogs in the suction pipe, valve, or impeller. Make sure that the flow resistance in the pipe is not greater than the delivery head of the pump. Open the delivery side valve if it's throttled.
F
fstricklandSep 12, 2025
Why is my Andritz ACP Water Pump overheating?
- H
  Heidi MurraySep 12, 2025
  If your Andritz Water Pump is overheating or jamming, ensure the delivery-side valve is open. If the pump wasn't adequately pre-filled, repeat the pre-filling process. Check the requirements of the pump system if the pump flow rate is below the permitted minimum level. Verify the alignment of the pump and motor, realigning if necessary. Disassemble the pump and replace the bearings if the bearing is worn or loose. Replace the pump shaft and bearing if the pump shaft is broken or running off center. Disassemble the pump and replace the impeller if it is damaged or unbalanced. Check inside the pump for rotating objects or pump parts causing friction. Check and minimize the pipe resistance if the flow resistance of the pipe is greater than the pump head.
A
Alicia MooreNov 20, 2025
How to reduce noises and vibrations in Andritz ACP?
- T
  Tammy ReillyNov 20, 2025
  If your Andritz Water Pump is producing excess noises and/or vibrations, several factors could be responsible. Start by checking the suction line and increasing the NPSH System, as low differential pressure between inlet and steam pressure might be the cause. Also, unexpected air or gas in the medium being conveyed could be the reason; in this case, contact ANDRITZ for further instructions. Other potential issues include air ingress into the suction line or shaft seal (check these), blockages in the suction line, valve, or impeller (inspect for blockages), incorrect motor speed (check the speed), excessive pipe resistance (check the pipe resistances and valve settings), output below the minimum flow rate (check pump system requirements), unsuitable foundation (lay a new one), insufficient ...
D
dawn11Nov 23, 2025
What to do if Andritz ACP Water Pump doesn't reach specified flow rate?
- J
  Jeffrey WileyNov 23, 2025
  If your Andritz Water Pump is not reaching the specified delivery head and flow rate, consider these possible causes: the pump may not be sufficiently pre-filled, or there may be a vapor lock (repeat pre-filling and increase NPSH System). The differential pressure between inlet and steam pressure may be too low (check suction line and increase NPSH System). Air may be entering the suction line or shaft seal (check these). The motor's rotation might be incorrect (check direction). The motor speed might be incorrect (check speed). The suction line, valve, or impeller might be blocked (check for blockages). The pipe resistance might be too high (check pipe resistances). The pressure-side valve may be throttled (open valve). Finally, there might be unexpected air/gas proportion or high viscosi...
G
Gabriela ReynoldsDec 3, 2025
What to do if Andritz ACP Water Pump is not pumping medium?

Summary

Introduction to Centrifugal Pump Operation

General Information About the Manual

General information about the instruction handbook and its purpose.

Manual Usage and Target Audience

Target audience and tasks covered by the manual.

Warranty and Liability Terms

Warranty terms, liability limitations, and voiding conditions.

ANDRITZ Service and Support Contact

Contact information for ANDRITZ service and support.

Safety Guidelines for Centrifugal Pumps

Understanding Safety Notes and Symbols

Explains the importance and structure of safety notes.

Hazard Symbols and Danger Levels

Defines hazard symbols and their corresponding danger levels.

Intended Use and Safe Operation

Specifies machine application scope and conditions for proper use.

Operating Company Safety Responsibilities

Outlines operator responsibilities for safe machine operation.

Personnel Safety Obligations

Personal safety rules for workers on the plant.

Essential Safety Devices

Lists and describes essential safety devices for protection.

Personal Protective Equipment Recommendations

Recommends PPE for specific tasks to ensure safety.

Installation Site Safety Requirements

Safety considerations for the machine's installation environment.

Electrical Equipment Safety Precautions

Safety precautions for all electrical work on the machine.

Fluid Handling Safety Measures

Safety measures for handling various fluid types and leaks.

Pump Data Sheets and Drawings

Centrifugal Pump Description and Specifications

Pump Field of Application

Defines the intended applications of the centrifugal pump.

Centrifugal Pump ACP Functional Description

Explains the operational principle of the centrifugal pump.

Pump Type Specification and Standards

Details the pump's type code and applicable standards.

Pump Application Limiting Values

Specifies limits for media, area allocation, and shaft seals.

Permitted Loads on Connecting Branches

Lists permitted forces and torques on connecting flanges.

Main Pump Components Overview

Identifies the main components of the centrifugal pump assembly.

Centrifugal Pump Design and Function

Details the design and function of the centrifugal pump itself.

Bearing Support System Details

Describes the bearing support system.

Shaft Seal Information

General information on shaft seals.

Pump Installation Procedures

General Installation Information

General information about the installation procedures.

Installation Safety Regulations

Safety rules to be followed during installation.

Machine Transport Safety Guidelines

Safety precautions and guidelines for transporting the machine.

Safe Pump Lifting Procedures

Instructions and safety warnings for lifting the pump correctly.

Pump Storage Guidelines

Guidelines for storing the pump for short-term and long-term periods.

Overall Installation Process

General procedures and requirements for installing the machine.

Step-by-Step Pump Installation

Step-by-step guide for installing the pump and foundation.

Motor Mounting Instructions

Instructions for mounting the motor onto the pump assembly.

Pipe Installation Guidelines

Guidelines for installing suction and delivery pipes.

Electrical Equipment Installation Requirements

Requirements for complete electrical installation and earthing.

Cold Test Procedures

Procedures and requirements for performing a cold test.

Disassembly and Disposal Safety

Safety guidelines for disassembling and disposing of machine parts.

Pump Commissioning Process

General Commissioning Overview

Overview of preparations and steps for initial machine start-up.

Commissioning Safety Regulations

Safety instructions and precautions for commissioning.

Prerequisites for Commissioning

Lists conditions that must be met before commissioning.

Pump Start-up Procedure

Step-by-step instructions for starting up the pump.

Post-Commissioning Reports

Documents to be completed and signed after commissioning.

Centrifugal Pump Operation Guide

General Operation Overview

Describes activities for starting, operating, and stopping the machine.

Operational Safety Regulations

Safety rules to be observed during operation.

Pump Start-up Procedures

Procedures for starting the pump.

Post-Commissioning Checks

Monitoring and checks after the initial commissioning phase.

Normal Operation Monitoring

Daily tasks and checks during normal operation.

Vibration and Oscillation Limits

Limits and causes for vibration velocities.

Bearing Temperature Limits

Limit values for bearing temperatures.

Pump Shutdown Procedures

Procedures for automatic and manual shutdown.

Troubleshooting Pump Malfunctions

Common malfunctions and their rectification.

Maintenance and Inspection Schedule

General Maintenance Information

Overview of maintenance and repair responsibilities.

Maintenance Safety Regulations

Safety rules for carrying out maintenance and inspection.

Regular Maintenance Checks

Procedures for routine monitoring and inspection of the pump.

Periodic Maintenance Schedule

Periodic maintenance tasks based on time intervals.

Fastener Installation Values

Installation values for screws and tightening torques.

Coupling Alignment Procedure

Procedures for checking and correcting coupling alignment.

Lubrication Guidelines

General information and notices regarding lubrication.

Grease Lubrication Procedures

Details on types of lubricating grease and schedule.

Oil Lubrication Recommendations

Information on lubricating oil brands.

Pump Maintenance Section

General section on pump maintenance.

Pull-out Unit Installation and Removal

Procedures for installing and removing the pull-out unit.

Impeller and Front Lining Installation

Procedures for installing and removing the impeller and front lining.

Shaft Seal Replacement Guide

General information and safety precautions for changing shaft seals.

ANDRITZ Cartridge Seal (Single-Action) Replacement

Details for changing the ANDRITZ cartridge seal (single-action).

Mechanical Seal (Single-Action) Replacement

Details for changing the mechanical seal (single-action).

Stuffing Box Seal Replacement

Details for changing the stuffing box seal.

Bearing Replacement (Grease Lubrication)

Steps for changing bearings with grease lubrication.

Bearing Replacement (Oil Lubrication)

Steps for changing bearings with oil lubrication.

Supplier Documentation References

Coupling Supplier Documentation

Supplier documentation for the coupling.

Shaft Seal Supplier Documentation

Supplier documentation for the shaft seal.

Motor Supplier Documentation

Supplier documentation for the motor.

Foundation Work Documentation

Supplier documentation for foundation work.

Certificates and Declarations

Declaration of Conformity

Document confirming conformity with EC directives.

ANDRITZ ISO9001 Quality Certificate

Certificate for ANDRITZ's ISO9001 quality management system.

Andritz ACP Series Specifications

General

Brand	Andritz
Model	ACP Series
Category	Water Pump
Language	English

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