ESAB Arcair N-7500 Extension Insulator Replacement Installation guide

ESAB
Brand
ESAB
Model
Arcair N-7500 Extension Insulator Replacement
Type
Installation guide
Manual 89250907 1
General Information
The Arcair N-7500 Replacement Kit includes:
Extension Insulator (94433190)
These instructions are supplied to ensure the proper
installation of the replacement kit. Thoroughly read the
instructions first, before attempting the installation.
Installation Procedure
A. Cover Removal
1. Position Torch Head into secured location. (i.e.,
table mounted vice)
2. Remove molded locknut and air nozzle from front
of Torch Head.
Check white Teflon
®
insulator on back of air
nozzle to be sure it is in proper working order.
3. Remove two button head screws from metal
shroud.
NOTE: White teflon o-rings are located on back-
side of each screw to insulate shroud from Torch
Head. As you remove screws, o-rings will drop to
bottom of shroud. Locate and set aside.
Arcair N-7500
Extension Insulator Replacement
Installation Instructions
B. V-block Assembly Removal
1. Slide v-block out.
2. Reposition Torch Head to have visible access of
the bottom side.
3. Remove 4 screws on bottom side of Torch Head
(3/32 allen wrench).
Inspect bottom of Torch Head for defects which
may have occurred during operation.
4. Remove air inlet housing (with nozzle spring and
guard) from inside top of torch.
Insert into
top of
housing
Be sure the orange o-ring is in place and working
order.
C. Extension Insulator Replacement
1. Loosen set screw, but do not remove.
2. Slowly remove insulator.
2. Replace with extension insulator.
Re-seat set screw (5/64 allen wrench) inside the
extended plenum. Make sure the top of the set
screw does not protrude above the surface.
Original Publication Date: 2014 Manual no.: 89250907
Revision: AA
© 2001 Victor Technologies International, Inc. www.victortechnologies.com Printed in USA
U.S. Customer Care: 800-426-1888 Canada Customer Care: 905-827-4515 International Customer Care: 940-381-1212
INNOVATION TO SHAPE THE WORLD™
D. V-block Assembly Installation
1. Install air inlet housing from inside top of torch.
Be sure the orange o-ring is in place and working
order.
2. Insert an electrode and slide v-block in. After the
v-block is in place remove the electrode.
3. Reposition Torch Head to have visible access of
the bottom side.
4. Insert 4 screws on bottom side of Torch Head
(3/32 allen wrench) and tighten.
Insert into
top of
housing
E. Shroud Replacement
1. Locate two screws, two o-rings and shroud.
2. Insert both screws into shroud, placing o-rings
on backside.
3. Finger tighten screws, making sure o-rings do
not drop. Tighten completely. Do not over-
tighten.
4. Locate air nozzle and locknut. Be sure air nozzle
insulator is seated against the v-block properly.
Tighten lock nut.
This completes replacement of the extension insula-
tor.
Teflon
®
is a registered trademark of DuPont Co.
  • Page 1 1
  • Page 2 2

ESAB Arcair N-7500 Extension Insulator Replacement Installation guide

ESAB
Brand
ESAB
Model
Arcair N-7500 Extension Insulator Replacement
Type
Installation guide
Download PDF
report

Ask a question and I''ll find the answer in the document

Finding information in a document is now easier with AI

Related papers

Other documents