Checking/Replacing Retaining Cup, Tip, And Electrode For 80 Ampere And 100 Ampere Torch - Miller ICE-40C Manuel Du Propriétaire

6-4. Checking/Replacing Retaining Cup, Tip, And Electrode For 80 Ampere
And 100 Ampere Torch
3
New
4
Make sure this area is
clean of any debris.
1
Turn Off power source.
1 Drag Shield
Check this area for any debris or foreign
material. Clean out if necessary.
2 Retaining Cup
Remove retaining cup. Check retaining cup
for cracks, and replace if necessary.
3 Tip
4 Opening
!
Inspect shield cup, tip, and electrode for wear before cutting or whenever
cutting speed has been significantly reduced. Do not operate torch with-
out a tip or electrode in place. Be sure to use genuine replacement parts.
NOTICE − Overtightening will strip threads. Do not overtighten electrode, tip, and re-
taining cup during assembly. Do not cross-thread parts causing stripping. Use care
during torch assembly and parts replacement.
.
A good practice is to replace both the tip and electrode at the same time.
!
Turn Off power source before checking torch parts.
1/32 in
(1 mm)
Pit
5
New
Worn
2
Remove tip. Check tip, and replace if open-
ing is deformed or 50% oversize. If inside of
tip is not clean and bright, clean with steel
wool. Be sure to remove any pieces of steel
wool afterwards.
5 Electrode
Check electrode. If center has a pit more
than a 1/32 in (1 mm) deep, remove and
replace electrode.
6 Swirl Ring
Worn
Make sure this area is
clean of any debris.
8
7
6
Remove swirl ring. Check ring, and replace
if side holes are plugged.
7 O-Ring
Check O-rings on torch. If needed, coat with
thin film of silicone lubricant (part no.
169 231). Replace if damaged.
8 Plunger Area
Check this area for any debris or foreign
material. Clean out if necessary.
Carefully reassemble parts in reverse order.
804 056-A
OM-1593 Page 17