SERVICE 5-2 Manual 0-2962
B. O-Ring Lubrication
This section applies only to torches withATC connec-
tors.
An o-ring on the Torch ATC Male Connector requires
lubrication on a regular basis, depending on how fre-
quently the torch is disconnected and re-connected.
This will allow the o-ring to remain pliable and provide
a proper seal. The o-ring will dry out, becoming hard
and cracked, if the o-ring lubricant is not used on a
regular basis. This can lead to potential performance
problems.
It is recommended to apply a very light film of o-ring
lubricant (Catalog # 8-4025) to the o-ring on a weekly
basis.
NOTE
DO NOT use other lubricants or grease, they
may not be designed to operate within high
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This reaction can leave contaminants inside
the torch. Either of these conditions can lead
to inconsistent performance or poor parts life.
5.03 Common Operating Faults
The following lists the more common cutting faults and
possible causes:
1. Insufficient Penetration
a. Cutting speed too fast
b. Torch tilted too much
c. Metal too thick
d. Worn torch parts
e. Cutting current too low
f. Non - Genuine Thermal Dynamics Parts
2. Main Arc Extinguishes
a. Cutting speed too slow
b. Torch standoff too high from workpiece
c. Cutting current too high
d. Work cable disconnected
e. Worn torch parts
f. Non - Genuine Thermal Dynamics Parts
3. Excessive Dross Formation
a. Cutting speed too slow
b. Torch standoff too high from workpiece
c. Worn torch parts
d. Improper cutting current
e. Non - Genuine Thermal Dynamics Parts
4. Short Torch Parts Life
a. Oil or moisture in air source
b. Exceeding system capability (material too thick)
c. Excessive pilot arc time
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e. Improperly assembled torch
f. Non - Genuine Thermal Dynamics Parts
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