ESAB Arcair N-7500 Spring and Guard Replacement Kit Installation guide

Brand: ESAB

Model: Arcair N-7500 Spring and Guard Replacement Kit

Type: Installation guide

Manual 89250906 1

General Information

The Arcair N-7500 Replacement Kit includes:

Extension Insulator (94-433-190A)

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 o-rings on back of air nozzle

to be sure they are 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

Spring and Guard Replacement Kit

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 from inside top of torch.

Be sure the orange o-ring is in place and working

order.

5. Holding nozzle spring and guard in place loosen

each screw (5/64 allen wrench).

6. Remove nozzle spring and guard and replace with

the new nozzle spring and guard.

When inserting replacement be sure it is seated

completely in before tightening screws. Do not

overtighten.

7. Once completed, reposition Torch Head so top

side of the torch is visible.

8. Insert spring and guard into top of housing.

Insert into

top of

housing

Original Publication Date: 2014 Manual no.: 89250906

Revision: AA

U.S. Customer Care: 800-426-1888 Canada Customer Care: 905-827-4515 International Customer Care: 940-381-1212

INNOVATION TO SHAPE THE WORLD™

Take ﬂat head screw driver and pull guard toward

front of Torch Head so the nozzle air inlet housing

sit down properly.

9. Check back of air tube to be sure it is seated inside

the air inlet housing. Once seated properly replace

all four screws.

C. V-block Assembly Replacement

1. Holding air inlet nozzle, locate two screws on

bottom side so they are facing outward.

2. Take a ﬂat head screw driver and insert through

v-block assembly into Torch Head, lifting up on

nozzle spring and guard.

Insert screw driver

This allows you to insert v-block and seat it into

Torch Head properly.

NOTE: Be sure indexed white pin and groove are

lined up correctly when inserting v-block.

D. 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 overtighten.

4. Locate air nozzle and locknut. Be sure air nozzle

o-ring is seated against the v-block properly.

Tighten lock nut.

This completes replacement of damaged spring and

guard.

ESAB Arcair N-7500 Spring and Guard Replacement Kit Installation guide

ESAB Arcair N-7500 Spring and Guard Replacement Kit Installation guide

ESAB Arcair N-7500 Spring and Guard Replacement Kit Installation guide

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