Torch Maintenance - ESAB Precision Plasmarc Installation, Operation And Maintenance Manual For Residential Installation

SECTION 5

5.4 Torch Maintenance

WARNING
!
O-ring
P/N 950714
O-ring
P/N 86W62
O-ring
P/N 638797
Vent Hole
Electric Shock Can Kill
Before performing torch maintenance:
Turn power switch on the console to the OFF
•
position.
Disconnect primary input power.
•
Torch Body O-Rings Torch Body O-Rings Torch Body O-Rings Torch Body O-Rings
Each day before starting operation, check O-rings
•
on the torch body . Replace if damaged or worn.
Apply a thin coat of silicone grease to O-rings
•
before assembling to torch. Do not use Krytox.
The O-ring, P/N 638797, inside the torch body that
•
seals the nozzle is especially critical.
Damage or wear is not readily apparent because
§
of its location,
We recommend replacing this O-ring on a daily
§
basis.
Be careful not to scratch or damage the torch
§
surface.
A wooden toothpick works well for removing O-
§
rings.
The O-ring can be replaced without removing
§
the water baffle P/N 21725; however if the baffle is
removed, always use a 3/16" (5 mm) hex wrench
or nut driver.
Torch Sleeve Vent Torch Sleeve Vent Torch Sleeve Vent Torch Sleeve Vent
Water leaks, moisture or coolant dripping from the
•
sleeve vent hole indicates service line damage.
If service lines must be replaced, always use two
•
wrenches to avoid twisting the metal tubes.
5-5
MAINTENANCE