Hypertherm HT4100 Plasma Arc Cutting System Operating - Manual (Page 43)

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OPERATION
HT4100 Instruction Manual: Operation
3. Look for any damage or bends in the water tube.
4. Remove and replace the water tube by using the water tube wrench (027347) supplied by
Hypertherm - Fig. 3-8. When installing water tube, do not over tighten! Snug down
by hand only.
WARNING
Always disconnect the power supply
from the main power source before
inspecting or changing the torch parts.
Figure 3-8 Changing the Water Tube
ROUTINE INSPECTION AND CLEANING
Power Supplies
The only routine inspection and cleaning necessary on the master and slave power supplies
is to keep dust and foreign matter from inside the units. This can be done by removing the
covers and blowing out the units with compressed air. Periodically, inspect the units for
cleanliness and clean as required. In an excessively dirty environment, perform this proce-
dure on a weekly basis.
Water Chiller
Refer to the Water Chiller instruction manual IM-88 (P/N 802410), Maintenance for weekly
and monthly inspection and cleaning procedures.
Interconnections
Check for plumbing leaks. Repair any leaks in the water recirculation plumbing.
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