14 Copyright © 2020 Axxiom Manufacturing, Inc.
1.25. NEVER OPERATE BEYOND ALLOWABLE TEMPERATURE RANGE.
Do Not operate this equipment above the maximum allowable temperature at the allowable
pressure or below the minimum design metal temperature (MDMT) shown on the pressure vessel
nameplate. The characteristics of the pressure vessel metal are weakened when the temperature is
outside the operating range. Operating the pressure vessel outside of allowable temperature range
can result in rupturing and cause serious injury or death. See Section 2.2.
1.26. ASME NAMEPLATE REQUIRED.
Do Not operate this equipment if the ASME pressure vessel nameplate is missing. Contact Axxiom
Manufacturing, Inc. for technical support.
1.27. DO NOT MODIFY VESSEL.
Do Not modify or alter this equipment, or any blast equipment, or controls thereof without written
consent from Axxiom Manufacturing, Inc. Do Not weld, grind, or sand the pressure vessel. It will
not be safe to operate. Non-authorized modifications could lead to serious injury or death. Non-
authorized modifications will void the warranty and the ASME/NB integrity.
1.28. DO NOT HAMMER ON VESSEL.
Do Not hammer on or strike any part of the pressure vessel. Hammering on the pressure vessel can
create cracks and cause rupturing.
1.29. FIRE DAMAGE NOTICE.
Do Not operate if the pressure vessel has been damaged by fire. If damaged, take out of service
immediately and have it inspected and/or repaired by a qualified facility. Contact Axxiom
Manufacturing, Inc. for technical support.
1.30. INSPECT VESSEL REGULARLY.
Do Not operate this equipment with damage to the pressure vessel. It is not safe. Inspect outside
and inside of the pressure vessel regularly for corrosion or damage (i.e. dents, gouges or bulges). If
damaged, take out of service immediately and have it inspected and/or repaired by a qualified
facility. Contact Axxiom Manufacturing, Inc. for technical support. See Section 8.0.
1.31. CHECK FOR LEAKS IN VESSEL.
Do Not operate this equipment if there is a leak in the pressure vessel. If leaking, take out of service
immediately and have it inspected and/or repaired by a qualified facility. Contact Axxiom
Manufacturing, Inc. for technical support. See Section 8.0.
1.32. INSPECT HANDWAY ASSEMBLY.
Do Not operate the abrasive blaster without first inspecting the handway assembly. To ensure
proper operation all handway components must be the correct size for the vessel handway opening.
See Section 6.3.
1.33. NEVER MODIFY BLOWDOWN.
Do Not connect the blowdown on this equipment onto a common header with any other unit of any
description, or any other source of compressed air, without first making sure a check valve is used
between the header and this unit. Do Not install this equipment sharing piping with another unit of
higher discharge pressure and capacity. A safety hazard could occur in the form of a back-flow
condition. Do Not install a muffler or silencer on the blowdown that is not designed for use on
AirPrep system. It can cause a malfunction and can result in a hazardous condition. See Section
5.11 and Section 6.2.
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