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CNC MACHINING CENTERS (MILL)
PREVENTATIVE MAINTENANCE CHECKLIST
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Machine: __________________________ Serial #: __________________________ Date: __________________________ |
Control Model: __________________________ Serial #: __________________________ Serviced By: __________________________ |
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HYDRAULIC SYSTEM: COMMENTS: _____Drain hydraulic tank ______________________ _____Clean hydraulic heat exchanger ______________________ _____Clean tank inside ______________________ _____Clean motor fan and cooling fans ______________________ _____Clean suction filter ______________________ _____Clean or Replace Return filter ______________________ _____Refill tank 20 gallons ______________________ _____Adjust pressure 750 PSI ______________________ _____Check Hydraulic Counter Balance pres. 430 PSI _____________ _____Drain and change oil in spindle ______________________ AIR SYSTEM: _____Drain Water Trap ______________________ _____Clean Water Trap ______________________ _____Refill Oiler Type __________________________ _____Adjust Pressure____PSI ______________________ _____Adjust Oiler ____drops ea. every _________________________ WAY LUBE SYSTEM: _____Drain Way Lube Tank ______________________ _____Clean Tank Inside ______________________ _____Check Volume Adjustment ______________________ _____Clean In Line Out Put Filter ______________________ _____Clean/Change Intake Filter ______________________ _____Refill Tank With Vactra #2 ______________________ _____Check/Replace Flow units QTY____ Type________________________________ QTY____ Type________________________________ QTY____ Type________________________________ QTY____ Type________________________________ _____Check Axis Lubrication "X" Axis ______________________ "Y" Axis ______________________ "Z" Axis ______________________ TIMING ADJUSTMENT: _____Tool Magazine Up/Down ______________________ _____Tool Magazine In/Out ______________________ _____Clean Tool Magazine Cam Followers ______________________ _____Clean & Grease Atc Cam ______________________ _____Grease ATC Magazine Ways ______________________ _____Grease Counter Balance Chain ______________________ _____Check Belts/Adjust _____ Deflection ______________________ _____Grease Draw Bar Balls/Collect ______________________
_____Check Draw Bar Adjustment ______________________ |
MOTORS, BALLSCREWS, WAYS: _____Check and Clean Motor and Tac Brushes "X" Axis ______________________ "Y" Axis ______________________ "Z" Axis ______________________ _____Check Way Wipers "X" Axis ______________________ "Y" Axis ______________________ "Z" Axis ______________________ _____Check Ways for Burrs and Score Marks "X" Axis ______________________ "Y" Axis ______________________ "Z" Axis ______________________ _____Check Ball Screw Covers or Guards "X" Axis ______________________ "Y" Axis ______________________ "Z" Axis ______________________ _____Check and Adjust Gibs "X" Axis ______________________ "Y" Axis ______________________ "Z" Axis ______________________ _____Check Backlash and Adjust Parameter "X" Axis ________ ______________________ "Y" Axis ________ ______________________ "Z" Axis ________ ______________________ _____Check Level of Machine and Adjust ______________________ _____Sweep Head to Table for Square and Adjust ______________________ _____Check spindle height Right spindle _______________________ Left spindle _______________________ CONTROLS & CABINETS: _____Clean Spindle Motor Fan ______________________ _____Clean Fans, Filters and Inside Control ______________________ _____Clean Control Air Intake ______________________ _____Check Incoming Power ______________________ _____Check Transformer Taps Machine ______________________ Control ______________________ _____Back up Parameters ______________________ _____Replace Memory Batteries ______________________ ZERO RETURN AND OVERTRAVEL SWITCHES: _____Check "X" Axis ______________________ _____Check "Y" Axis ______________________ _____Check "Z" Axis ______________________ _____Check LED and Light Bulbs ______________________ _____Check all LED & Switches (Control Panel) ______________________ _____Clean Tape Reader ______________________ |
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RECOMMENDATIONS FOR REPAIR: ______________________________________________
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Service Engineer __________________________________ Date: _________________
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Customer Signature ________________________________ Date: _________________