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7.3 Weekly maintenance requirements
1. Clean the part between cutting head and ceramic body, and timely replace and calibrate
if any damage.
2. Check water level and quality in water chiller, and determine whether there is water
leakage.
3. Check the refrigeration dryer for its status of operation and compressed air flow, and
check whether the condensation indicator is in the green area.
4. Check and clean the air inlet filtering screen of air compressor, and take it out for cleaning
if there is any dust.
5. Check deionized water level inside the laser (monitoring software may be used to check
the water level).
6. Check hydraulic station and oil cylinder hose to see if there is any oil leakage.
7.4 Monthly maintenance requirements
1. Unnecessary c cutting programs inside the machine shall be timely deleted.
2. Check the tightness degree of workbench chains.
3. Lubricate guide rails of the laser cutting machine, and check the automatic lubricating
device. It is necessary to add lubricating grease for the low oil level inside the device.
4. Check inner parts of the machine cabinet and the laser, and promptly clean up if any dust
found (be sure to cut off power before cleaning).
5. Check PH value of water in water chiller, and timely replace if it is lower than 7.
6. Check air compressor for its operation conditions, and clean the cooling fin above the air
compressor.
7. Blow off the dust on heat exchange film of water chiller with air gun or air pipe. Note: it
is required to blow from the inside for cleaning.
8. Clean up dust on heat exchange film of the refrigeration dryer.
9. Check dust collector for its operating conditions, and clean the dust collection box of dust
collector.
7.5 Requirements for semiannual maintenance
1. Clean up dust and stains on each part of voltage stabilizer
2. Check whether pressure regulating carbon brush of voltage stabilizer moves flexibly, and
whether carbon brush is intact. If the voltage stabilizer is normal after inspection, add oil
to chain wheel, adjust looseness of chains, check carbon chain's transmission system to
see whether brush holder is inclined or jammed, and adjust if any found.
3. Disassemble and check drainage filter tap of the refrigeration dryer for cleaning.
4. Check water quality in water chiller, replace cooling water in it and clean the water tank.
It is recommended to use N46# hydraulic oil.
5. Replace hydraulic oil, and clean inner parts of the oil tank.
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