Hypertherm XPR Series User Manual

Preventive Maintenance Program
18 809490 Instruction Manual XPR
Examine the contactors
1. Examine the contacts for black or rough surfaces:
 For the XPR170 (left), examine the main contactor .
 For the XPR300 (right), examine the main contactor and inrush contactor ,
2. If you find too much of this condition, replace the contactor.
Examine the pilot arc relay
1. Remove the cover of the
pilot arc relay.

Shown for
reference only.
2. Examine the contacts
inside the relay for black or
rough surfaces.
3. If you find too much of this
condition, replace the pilot
arc relay.
4. Install the cover of the pilot arc relay.
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1
2
1
2
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Hypertherm XPR Series Specifications

General

Brand	Hypertherm
Model	XPR Series
Category	Welding System
Language	English

Summary

Preventive Maintenance Program

Overview of Preventive Maintenance

Introduces the Preventive Maintenance Program and its importance for system performance.

Cleaning and Inspection Schedule

Outlines daily, weekly, and monthly tasks for system cleaning and inspection.

Daily Maintenance Procedures

Details the daily maintenance checks for inlet pressures, air filters, and coolant levels.

Examine and Lubricate O-rings

Provides instructions for inspecting and lubricating O-rings on the torch and consumables.

Examine Water Tube and Torch

Guides on inspecting the water tube and torch for damage or wear.

Weekly Maintenance Procedures

Lists weekly maintenance checks for hoses, cables, leads, and gas leak tests.

Gas Leak Testing Procedure

Explains how to perform automated gas leak tests and interpret results.

Coolant Flow Verification

Details how to check the coolant flow rate and identify potential issues.

Monthly Maintenance Procedures

Details monthly maintenance tasks like cleaning the power supply and examining components.

Six-Month Maintenance Tasks

Covers replacing the coolant and coolant filter and cleaning the pump screen.

Component Replacement Schedule

Lists components and their recommended replacement schedules based on arc hours.

Cutting Environment and Operation Effects

Discusses how cutting environment and operations affect component wear and lifespan.

Consumable Overuse Impact

Explains the impact of consumable use and overuse on system components.

Short Cut-Cycle Time Considerations

Describes how short cut-cycles increase wear on specific system components.

Part Numbers for Hoses, Cables, and Leads

Provides part numbers and lengths for various hoses, cables, and leads.