Hypertherm HPR260 Manual Gas Preventive Maintenance Program Rev.5 - Manual (Page 52)

INSTALLATION
HPR260 Auto Gas Instruction Manual 3-3
5
Upon receipt
• Verify that all system components on your order have been received. Contact your supplier if any items
are missing.
• Inspect the system components for any physical damage that may have occurred during shipping. If there is
evidence of damage, refer to Claims. All communications regarding claims must include the model number and
serial number located on the back of the power supply.
Claims
Claims for damage during shipment – If your unit was damaged during shipment, you must file a claim with the
carrier. Hypertherm will furnish you with a copy of the bill of lading upon request. If you need additional assistance, call
Customer Service listed in the front of this manual, or your authorized Hypertherm distributor.
Claims for defective or missing merchandise – If any of the merchandise is defective or missing, contact your
supplier. If you need additional assistance, call Customer Service listed in the front of this manual, or your authorized
Hypertherm distributor.
Installation requirements
All installation and service of the electrical and plumbing systems must conform to national or local
electrical and plumbing codes. This work should be performed only by qualified, licensed personnel.
Direct any technical questions to the nearest Hypertherm Technical Service Department listed in the front of this manual,
or your authorized Hypertherm distributor.
Noise levels
Acceptable noise levels as defined by national and local codes may be exceeded by this plasma system. Always wear
proper ear protection when cutting or gouging. See also Noise can damage hearing in the Safety section of this manual.
Data was taken while cutting 12.7 mm (0.5 in) mild steel at 260A using an O
2
/Air process 76.2 mm (3 in) above water.
The decibel readings at 914.4 mm (36 in) from the front of the torch and 330.2 mm (13 in) above the arc are:
120.7 Max Level, dBC (MaxP) and 98.6 Lav5, dBA.
Placement of system components
• Place all system components in position prior to making electrical, gas and interface connections. Use the
diagram in this section for component-placement guidelines.
• Ground all system components to earth. See Recommended grounding and shielding practices in this section
for details.
• To prevent leaks in the system, tighten all gas and water connections as shown below:
Torque specifications
Gas or water
hose size kgf-cm lbf-in lbf-ft
Up to 10 mm (3/8") 8.6-9.8 75-85 6.25-7
12 mm (1/2") 41.5-55 360-480 30-40
2WRENCHES