OTC MTX-3531 - ③Notes on Use

-S7-
3. Notes on Use
3.1 Duty cycle
CAUTION
● Use the torch with the specified rated duty cycle or under
Otherwise, the welding torch may be deteriorated or burned out.
● The rated duty cycle of 50% indicates that the
torch shall be used at the rated welding current
for 5 minutes and then suspended for 5 minutes
out of 10 minutes.
● The rated duty cycle of 70% indicates that the
torch shall be used at the rated welding current
for 7 minutes and then suspended for 3 minutes
out of 10 minutes.
● Use of the welding torch with the excess rated
duty cycle may lead to the temperature rise
exceeding the allowable value, resulting in
damage or burn.
● When using MTXW-5031 and MTXCW-5031,
be sure that cooling water is being supplied with
the water tank. Otherwise, the temperature of
welding torch may rise to over the allowable
value, leading to damage or burn.
3.2 Inching
●Do not look into the tip hole in inching to cheek.
WARNING
●In inching, the welding torch tip must not be put near to your
face, eye, and body.
●Do not look into the tip hole in inching to check if the wire is fed.
The wire may spring out and stick into your face, eyes, and
body. It is very dangerous.
●In inching, the welding torch tip must not be put near to your face,
eyes, and body. The wire may spring out and stick into your face,
eyes, and body to injure.
Set the welding torch straight, feed the wire with pressing the INCH button, and then release the
button when the wire is protruded by 10mm from the tip of torch.
3.3 Replacement of Parts
NOTES ON USE
Welding torch Rated duty cycle
MTX-3531
MTXC-3531
MTXB-3531
MTXCB-3531
350A 50%（CO
2
）
250A 50%（MAG）
MTXW-5031
MTXCW-5031
500A 70%（CO
2
）
350A 50%（MAG）
MTX-5031
MTXC-5031
MTXB-5031
MTXCB-5031
500A 50%（CO
2
）
300A 50%（MAG）