MAINTENANCE
5-2
CommandTHC for X-Y Table
Instruction Manual
9
1. Check the THC control module, plasma interface assembly, lifter assembly and associated cables for wear and
damage.
2. Check the inside of the THC control module and plasma interface assembly for dirt. Use compressed air to clean the
units. If the work environment is extremely dirty, clean the units more often.
3. Check the lifter assembly sealing band for tears and fraying
4. Replace or repair damaged parts.
Note: Do not grease or lubricate any part of the X-Y lifter assembly.
X-Y lifter sealing band removal and replacement
The sealing band keeps foreign matter out of the lifter assembly. Replace the band if it is torn or worn by installing a
Band Seal Kit. The kit contains a new band, screws and retainers.
Routine maintenance
Every 3 months complete the following:
DANGER
ELECTRIC SHOCK CAN KILL
Turn off all electrical power before removing the power supply cover. Press the power
supply OFF (0) pushbutton switch and set the line disconnect switch to OFF. In the
U.S., use a “lock-out and tag-out” procedure until the service or maintenance is
complete. In other countries, follow appropriate local or national safety procedures.
Sealing band — remove (Figure 5-1)
1. Turn off all power to the plasma system and THC.
2. Remove the lifter from the cutting machine.
3. Remove the torch mounting block or breakaway mounting bracket from the lifter retaining block (View 1).
4. Remove the left side cover (View 1).
5. Remove the 2 retainers that secure the band to the retaining block (View 2).
6. Remove the band from the rear of the lifter (View 3).
Caution: Turn off all power to the plasma system and THC before
working on the THC lifter.
The THC system can be damaged if disconnected with
power applied.
