38
Monthly
• Lubricate the counterweight chains (if applicable).
• Inspect ballscrews and way surfaces. Adjust gibs if necessary.
• Visually inspect all oil lines, and repair or replace as necessary.
• Inspect all belts for excess wear, damage, and proper tension.
• Check operation of low air pressure switch (if equipped). Remove compressed
air source from the machine and verify that a red alarm message box appears at
the front panel display.
WARNING:
Arc flash and shock hazard. Follow ALL requirements in NFPA 70E for safe
work practices and for Personal Protective Equipment before opening electrical
cabinet or performing adjustments or diagnostic measurements while energized.
Only qualified personnel should attempt to take current and voltage readings or
perform service. See the safety checklist on page 2 for qualifications.
• Power down the machine. Open the door to the electrical cabinet at the back of
the machine. Check for loose wires or loose components.
Annually
• Check backlash to ensure proper axis motion and response.
• Check head tram to ensure proper machine geometry. Machine settling can
cause head tram to be out of specification, affecting machine geometry.
• Clean the intake screen on the way lube pump.
Safety Checks, to be carried out monthly and after maintenance operations
• Repeat the checks for correct operation of the emergency stop circuit and of the
safety enclosure circuit outlined in Chapter 4 of this manual.
• In brief, power up the machine, reset it and start the spindle. Verify that pushing
the red Emergency Stop button makes the spindle brake rapidly to a stop and
machine motion is halted.
• For CE-compliant machines, power up the machine, reset it, close the enclosure
door and start the spindle. Hold in the SETUP button and pull open the
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