Quick Reference to 350 Intensifier Service Guides

Guide Number: SG1920 | Printer Friendly Version | View Safety Disclaimer

This is a quick reference guide that will help you find service guides for the 350 Intensifier.

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Machine Manual

This manual is only for Hypertherm’s Dynamax 350 pumps.


High Pressure Leaks

In this service guide Video we will show the steps to correcting high pressure leaks on the intensifier, couplers, blocks and the cutting head.


Overstroke Alarm

How video will talk about what you need to check if you have overstroke or most water pressure control alarms on a Dynamax 350 intensifier.


Intensifier Rebuild

Video shows how to repair the high pressure cylinder seals, low pressure poppets, high pressure poppets and hydraulic seals.


Cutting Head

In this video we will show how to rebuild the cutting head on off valve step by step. This will help if your nozzle is leaking or not closing.

This video will show how to remove the nozzle, mixing chamber and orifice.

If you have the nozzle broke alarm but the nozzle is not broke then the prox could be bad. This guide will show you how to bypass the prox until you can get a new one. This guide was made on a Javelin. Your setup may look a little different.


Inlet Water Pressure

In this video we will give a brief overview of the cutting or inlet water flow on Dynamax Intensifier Pumps and what to look for when getting these alarms.


Booster Pump Replacment

This is a step by step guide on how to replace the booster pump.


Garnet

In this video we will discuss reasons and what to look for when your garnet is getting wet and clogging up.

In this video we will show you how to set the appropriate garnet flow needed for your waterjet.

A step by step procedure for addressing the Mini Hopper overflowing conditions.

This video will show you how to replace and set up your low garnet prox on the main hopper.

This document goes through how to clean the abrasive mini hopper.


Bleed Down Valve

In this video you will go through how to rebuild the air actuated bleed down valve for Echion & Dynamax 350 Intensifier Pumps.


Hydraulic Temp Alarms

In this video we discuss 45, 55 and 65C temperature alarms and the things that should be looked at to prevent these alarms. This will cover looking at the cooling water loop and heat exchanger. These videos are for Dynamax Predictive 550P/560P pumps and Dynamax 350 (Echion) pumps.


Swivel Repair

High pressure swivel repair videos to rebuild the 90 degree and inline swivels on Javelin and Saberjet machines.


High Pressure Schematic’s

Javelin High Pressure waterjet schematic 103020 with part numbers.

Saberjet High Pressure Schematic print 94090.


Consumables Kit

Kit part number 100231 contains the most common consumable parts. You can order as a kit with the quantities listed or order individually.


Last updated: March 10, 2026

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ATTENTION

Prior to beginning installation, operation, or maintenance, you are advised to carefully read ALL instruction manuals and ALL safety materials and procedures provided with your equipment.

You are solely liable for the proper operation and maintenance of the equipment.

Park Industries® is not responsible for and expressly disclaims liability for any injuries (including death) or damage to the equipment or any other property as a result of improper operation or maintenance of the equipment, as well as failure to comply with the procedures set forth in the equipment’s instructional manual or any other safety materials and procedures. If you encounter any problems or difficulties, you are strongly encouraged to seek professional assistance.

Safety is our number one concern. Should you have any questions don’t hesitate to call our service team at 800-785-3391.