Hypertherm HPR800XD Auto Gas Preventive Maintenance Program Rev.1 - Manual (Page 11)

HPR800XD Auto Gas Instruction Manual 808680 11
Preventive Maintenance Program
Daily
Do a test of the inlet pressures
1. With the gas flowing in test preflow mode, make sure that the pressure at the
regulator is set to 8 bar (115 psi).
2. Repeat the test in cutflow mode, and make sure that the regulator is set to 8 bar
(115 psi).
 For instructions about setting supply regulators, see Setting the supply
regulators in your system’s instruction manual.
Examine all of the air filters
Examine all of the air filters for contamination.
 If you find moisture or oil, replace the air filter.
 If you find a moderate quantity of solid contamination, such as
dust, blow air through it or use suction to clean the filter.
 If you find a large quantity of solid contamination, replace the air
filter.

See Air filter element replacement in your system’s instruction
manual for replacement instructions.
Do a check of the coolant level and condition
Make sure that the coolant tank in the chiller is full:
1. Remove the panel from the left rear side of the chiller.
2. Look at the coolant tank.
3. If the level is more that 5.1 cm (2 inches) from the top of the tank, add coolant (028872) to this level.
4. Record the number of gallons your system requires in Coolant requirements on page 31.
Examine the coolant tank for contamination. If you find any contamination, drain the tank and replace the coolant. See
Draining the coolant system in your system’s instruction manual for instructions.
Examine the inline coolant strainers in the chiller. See the DuraChill 5 HP Air-Cooled Chiller For Hypertherm Instruction
Manual (806600) for details.
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