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HFR Series
USE AND MAINTENANCE MANUAL
PUMP MODELS: HFR40S - HFR60S - HFR40F - HFR60F - HFR80F
HFR80S - HFR105S - HFR120S
Rev. 03/2013

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Table of Contents
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Summarization of Contents

Introduction
Symbols Used in this Manual
Explains safety symbols and their meaning for operator awareness.
Safety
General Safety Recommendations
General safety guidelines for high-pressure equipment use and maintenance.
Safety When Using High-Pressure Circuits
Specific safety precautions for high-pressure circuits, including valves and hoses.
Safety When Using the Pump
Procedures for safe pump operation and environmental considerations.
Pump Installation
Placing and Rotation
Instructions for pump placement and recommended rotation direction for installation.
Plumbing Connections and Suction Line
Guidance on flexible piping connections and suction line design to prevent cavitation.
Start-Up and Operation
Preliminary Checks
Essential checks to perform before starting the pump to ensure readiness and safety.
Start-up Procedure
Procedure for the initial start-up, including checking rotation and initial operation without load.
Maintenance Rules
Routine Mechanical Maintenance
Details on regular checks like oil level and oil changes at specified intervals.
Mechanical Dismantlement
Step-by-step guide for safely disassembling pump components.
Mechanical Installation
Instructions for reassembling pump parts correctly after maintenance or repair.
Pumping Unit Maintenance
Roller Bearings Maintenance
Procedures for inspecting and replacing roller bearings in the pump.
VAM Valve Replacement
Step-by-step guide for replacing VAM valves in the pump's cylinder head.
Technical Failures and Their Possible Causes
Pump Silent on Startup
Troubleshooting steps for a pump that makes no noise when started, checking priming and blockages.

Table of Contents