Section 5 - Maintenance And Troubleshooting; Removing Nozzle, Contact Tip, And Adapter, Changing Liner, And Cleaning Gun Casing - Hobart Welding Products HR200 Owner's Manual

SECTION 5 – MAINTENANCE AND TROUBLESHOOTING
5-1. Removing Nozzle, Contact Tip, And Adapter, Changing Liner, And Cleaning Gun
Casing
1
2
3
4
allen_wrench
pliers needlenose
Turn off welding power source/wire
feeder.
�
Wire size stamped on tip, check and
match wire size.
1 Nozzle
2 Contact Tip
solderiron
stripcrimp
3 Contact Tip Adapter
4 Head Tube
5 Gun Liner
6 Compressed Air Nozzle
allen_wrench allen_set
Cut off wire and remove gun from unit.
torque screwdriver
1
3
6
5/8 in.
(16 mm)
allen_set
Liner
Stickout
knife
Lay gun cable out straight.
Step 1. Remove nozzle, contact tip, and
contact tip adapter from gun.
Step 2. Lay gun cable out straight. Loosen
nut on gun liner and remove liner.
heavy-duty workclamp
Step 3. Insert air nozzle and blow out con-
duit with compressed air.
Step 4. Install original gun liner or new liner
if necessary. Tighten gun liner nut and trim
flathead
gun liner to length as shown.
tools/
flathead philips head
steelbrush
tools/
light-duty workclamp
philips head
2
5
4
wrench
crescent wrench
nutdriver
chippinghammer
allen_wrench
Refer to owner's manual for unit to thread
welding wire and determine drive roll
pressure.
wirecutter frontcutter
pliers needlenose
8 mm, 10 mm
wrench
crescent wrench
OM-286182 Page 7
Ref.284972-A
allen_set
knife
fla