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Depa DH40-FA - User Manual

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1
DEPA
®
Air Operated Diaphragm Pumps
www.depapumps.com
www.cranecpe.com
Air Operated
Diaphragm Pumps
Operating and
Installation Instructions
Installation, Operation
and Maintenance
BA-DL-GB/01.19

Table of Contents

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Summary

Functionality Explained

Operational Cycle Description

Explains the pump's suction and pressure stroke sequence.

Safety Information

General Safety Precautions

General safety guidelines for operators and personnel.

Danger Sources

Identifies potential hazards during operation.

Permitted Operators and Intended Use

Specifies qualifications and defines intended application.

Usage Restrictions and Maintenance

Maintenance and Repair Work Guidelines

Guidelines for qualified personnel performing maintenance.

Personal Protective Equipment and Safety

Personal Protective Outfit (PPE)

Recommends specific protective clothing for tasks.

Line Work Safety and Storage

Precautions for working with pressurized lines and storage.

Installation Guidelines

Pre-Installation Checks

Essential checks and considerations before installing.

Operation Procedures

General Operation Setup

Initial setup and readiness for operation.

Switching the Pump On

Safe start-up procedures for the pump.

Operational Controls and Monitoring

Emergency Procedures

Actions to take in emergency situations.

Maintenance Procedures

Inspection Periods

Recommended intervals for pump inspections.

Dismantling and Assembling

General instructions for pump disassembly and reassembly.

Component Replacement

Diaphragm, Valve Seat, Valve Ball Replacement

Detailed instructions for replacing wear parts.

Troubleshooting Guide

Pump Running Issues

Common causes and remedies for no delivery.

Pumping Capacity Problems

Troubleshooting insufficient pumping capacity.

Pump Slowdown and Restart Issues

Diagnosing and resolving pump slowdowns.

Troubleshooting Common Faults

Pump Not Working Despite Air Supply

Solutions when the pump won't operate with air.

Valve Ball and Diaphragm Issues

Problems related to valve balls and PTFE diaphragms.

Pump Leaks and Noise Diagnosis

Diagnosing and fixing pump leaks and loud noises.

Pump Specifications

Usage in Explosive Environments

Guidelines for using pumps in explosive atmospheres.

Explosive Environment Safety

Equipotential Bonding and Earthing

Safety measures for grounding in potentially explosive areas.

Exhaust Air Routing in Zone 0

Proper routing of exhaust air in zone 0.

Pump Fixing in Zone 0

Secure fixing of pumps in zone 0.

Maintenance and Safety for ATEX Equipment

Maintenance Instructions for ATEX Equipment

Specific maintenance for category 1 and 2 equipment.

Depa DH40-FA Specifications

General IconGeneral
BrandDepa
ModelDH40-FA
CategoryWater Pump
LanguageEnglish

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