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Field Service Bulletin 801270
MAX200 UNDERWATER TORCH SUPPLEMENT
WARNING
ELECTRIC SHOCK CAN KILL
Refer to
Section 1: Safety
in the 800870 MAX200 instruction manual for general safety
practices when operating a plasma cutting system.
Observe the following additional safety precautions when operating a plasma cutting
torch in an underwater environment.
1. Shut off all power to the power supply before removing the torch parts. The cap
sensor circuit is not activated in this system configuration.
2. Never attempt to remove torch parts while underwater.
3. Never hold onto the work clamp while firing the torch.
4. Never hold onto the workpiece that is being cut.
5. Never drag the torch lead over sharp objects. Always check the torch lead after
every dive for rips and holes in the rubber sheathing. Replace the torch
assembly if rips and holes are found.
6. A top-side operator must be present during underwater operation to activate
the enabling safety switch at the diver's signal. NEVER OPERATE THE SYSTEM
UNDERWATER ALONE!
7. Never wrap the torch lead around yourself or others while diving.
8. Never let the torch, torch lead, or work cable come into contact with the diving
helmet.
9. All divers working in the vicinity of the cutting area should stay clear of the
diver cutting and should not touch any non-grounded metal while the torch is
being operated.
10. Never attach a metal cable to a diver or diving helmet. Use nylon rope or other
nonconductive materials for tethering.
11. Wear only a dry rubber diving suit. Wear 2 or 3 pairs of latex gloves while
cutting.
12. Maintain metal diving helmets at "floating" potential at all times, i.e., no
connections to power or ground.
13. Assisting personnel should never hold a coiled torch lead while the torch is
being operated.
Safety
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