Outlet Cable Preparation For Changing Wire Size - Miller MTX 3502 Robot Gun Owner's Manual

4-3. Outlet Cable Preparation For Changing Wire Size

NOTE
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2
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Tools Needed:
3/4, 1 in
Turn Off welding power source and Robot
Control.
Cut off welding wire at gun contact tip, and re-
tract wire back to spool.
1 Outlet Cable
2 Output Cable Nut
3 Shock Sensor Leads Gun End
Disconnect shock sensor leads, loosen jam
nut and outlet cable nut, and remove outlet
cable from adapter on gun (see Section 3-1
and Section 3-3).
4 Shock Sensor Connector(s)
5 Cable Connector
Disconnect shock sensor connector(s), loos-
en securing knob, and remove cable connec-
tor from wire drive assembly.
Remove existing outlet cable from supports
OM-1556 Page 10
When changing wire size, it is necessary to change the wire drive rolls and wire
guides on the wire drive assembly, the outlet cable and monocoil liner, and the gun
contact tip.
1
on robot.
Secure new wire size outlet cable to supports
on robot.
Install and secure cable connector into wire
drive assembly (see Motor/Drive Assembly
Owner's Manual).
6 Monocoil Liner (Excess Portion)
7 Monocoil Liner (Gun Portion)
8 Monocoil Liner Drive Roll End
9 Wire Outlet Guide
Insert excess portion of liner fully into gun, be
sure liner is seated at wire outlet guide, and
mark liner flush with top of adapter.
Slide liner out of adapter, be sure liner is
seated at wire outlet guide, and measure dis-
tance between mark and end of nut on cable.
4
Cable End For MR-5 And
MRK-5 Robot Models
Cable End For
MRH Robot Models
Cable End For
MRV-6 Robot Models
Use previous measurement to measure
length at excess portion of liner, cut off liner,
and deburr cut end of liner at cable.
Insert liner into adapter and connect outlet
cable to adapter by tightening cable nut onto
adapter.
Tighten jam nut against outlet cable nut.
Connect shock sensor leads from gun to out-
let cable leads and connect leads at opposite
end of outlet cable to leads or matching con-
nector at robot. Polarity is not important.
Change gun contact tip (see Section 4-2).
Change wire guides and drive rolls at drive
assembly (see Motor/Drive Assembly Own-
er's Manual).
Thread welding wire and set drive roll pres-
sure (see Robot Owner's Manual and Motor/
Drive Assembly Owner's Manual).
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ST-152 515