Tweco Lightweight Quick Robotic Torch - Manual (Page 10)

Quick ROBOtics light weight tORch
3-6
SM-QRLTORCH INSTALLATION AND DISASSEMBLY
SECTION 3:
INSTALLATION AND DISASSEMBLY
3.01 Installation
1. Remove the torch and cable assembly from the carton,
and lay the assembly in a straight and untwisted position
on a workbench or floor.
2. Check to ensure all items, shown in Figure 1 are located
and identified. If any of the component parts are missing,
please notify the local Tweco ® Welding Distributor or
Tweco ® Products Customer Care Department at 1-800-
426-1888.
3. Verify that the overall cable length is correct to fit between
the feeder - torch mount combination.
NOTE
The QRL torch and cable assemblies are furnished
with a 1-5/8” (41,28mm) Ø mounting diameter
and can be keyed in place into a fixture if so
desired.
COVER TO CONCEAL
LOCKING SCREW
Figure 2 - Conductor Tube Locking Screw
4. Lift rubber cover to expose the conducter tube locking screw
located in the torch block assembly. Insert the factory supplied
5/32” T-handle allen wrench into the locking screw and rotate
counterclockwise until it stops.
5. Insert the conductor tube assembly into the torch block
assembly. The conductor tube is positively located into
the torch body by the use of two stainless steel alignment
pins.
6. Push the conductor tube assembly into place until the
locking screw can drive the back plug on the conductor tube
into its locked operating position. The conductor tube has
a machined locating groove around its rear diameter. This
groove will be flush with the front housing when properly
installed as shown in Figure 3.
WHEN CONDUCTOR TUBE IS FULLY SEATED,
GROOVE ON TUBE SHOULD LINE UP
WITH EDGE OF INSULATING
SLEEVE
FIGURE 3 - CONDUCTOR TUBE INSTALLATION Figure 3: Conductor Tube Installation
Figure 2: Conductor Tube Locking Screw
7. Remove the gas diffuser, tip and nozzle from the conductor
tube assembly.
8. The QRL torch assemblies are furnished with R45-3545
conduit and the rear connector plugs to fit this series of
conduit. If a different conduit is required, refer to Page 7-1
listing the various conduits that are available.