Troubleshooting Guide
Powermax45 XP Operator Manual 809240 141
Check the gas quality
It is extremely important to maintain a clean, dry gas line in order to:
Prevent oil, water, dirt, and other contaminants from damaging internal components.
Achieve optimal cut quality and consumable life.
Dirty, oily air is the root cause of many common problems that occur in Powermax systems, and in
some instances it can void the warranty on the power supply and on the torch. See the gas quality
recommendations in the ratings table on page 21.
The system’s built-in air filter is designed to filter out particulates as small as 5 microns. It can
remove some moisture from the gas supply. However, if you work in an environment that is extremely
warm and humid, or if work site conditions introduce oil, vapor, or other contaminants into the gas
line, install an external filtration system that cleans the gas supply before it enters the plasma power
supply. See page 39.
To maintain a clean gas line:
1. Examine the air filter element in the system’s built-in air filter. Replace
it if it is contaminated. See page 155.
2. Clean the air filter bowl that houses the air filter element. Make sure it
is free from oil, dirt, and other contaminants.
A yellow residue on the filter bowl often indicates that oil is
getting into the gas supply line.
3. Examine the O-ring at the top of the air filter bowl. Replace it if it is cracked or damaged.
Seepage155.
4. If you are using an external air filtration system, clean or replace any parts in it that may be
contaminated.
CAUTION
Synthetic lubricants containing esters that are used in some air compressors will damage
polycarbonates used in the air filter bowl.
ARC WELDING SUPPLIES - 07 847 7870
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