26
Initial Checks of the Machine, its Guards and Safety Systems
General Checks
1. Check for missing parts. Do not operate the machine if parts are missing.
2. Visually check for damage outside of machine and inside. Do not operate the
machine if there has been shipping damage.
3. Check to see that all necessary guards and safety switches are in place. Do not
operate the machine if necessary guards and safety switches are not in place.
Electrical Checks
Read and understand the following list of Electrical Safety Rules in Chapter 1 before
attempting to perform service on this equipment.
DANGER: Failure to observe these rules can result in death or serious injury.
•
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.
•
Always turn the main power off before servicing components within the
electrical cabinet.
•
Always keep hands and fingers away from live electrical terminals.
•
Remove jewelry while servicing the machine to avoid shorting any electrical
circuits.
•
Allow all components to discharge before servicing them. After removing
power, verify that the CHARGE LED indicator and 7-segment display on the
spindle drive have turned OFF before servicing.
1. Check for loose components or loose wires. With the main power disconnect OFF,
open the electrical cabinet door at the rear of the machine. Visually check if any
components or wires came loose during shipment. Do not operate the machine if
they did. Find qualified personnel (as described in chapter 1) to correct the
problems.
