Miller ICE-40C Benutzerhandbuch - Seite 15

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Miller ICE-40C Benutzerhandbuch
17. Checking/Replacing Retaining Cup, Tip, And Electrode For 25, 40, 50, And 55
Ampere Torches
25 Ampere Model
5
New
*Pit
Depth
Worn
4
3
New
Worn
Turn Off power source.
1
Drag Shield
2
Retaining Cup
Remove retaining cup. Check retaining cup
for cracks, and replace if necessary.
3
Tip
4
Opening
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
!
Inspect shield cup, tip, and electrode for wear before cutting or whenever
cutting speed has been significantly reduced. Do not operate torch without
a tip or electrode in place. Be sure to use genuine replacement parts.
NOTICE − Overtightening will strip threads. Do not overtighten electrode, tip,
and retaining cup during assembly. Do not cross-thread parts causing strip-
ping. 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.
Make sure this area is clean of
8
any debris.
7
6
The word "front" on swirl ring must
face away from torch body.
Make sure swirl ring is clean of any
debris
and
obstructed.
*1/32 in (1 mm) — 1/16 in (2 mm)
maximum pit depth depending on
acceptable cut quality.
2
wool. Be sure to remove any pieces of steel
wool afterwards.
5
Electrode
Check electrode. If center has a pit more
than a 1/16 in (2 mm) deep, remove and re-
place electrode.
6
Swirl Ring
Remove swirl ring. Check ring, and replace
if side holes are plugged.
7
O-Ring
50 Ampere and 55 Ampere Models
no
holes
are
Check O-rings on torch. If needed, coat with
thin film of silicone lubricant (part no.
169 231). Replace if damaged.
8
Check this area for any debris or foreign ma-
terial. Clean out if necessary.
Carefully reassemble parts in reverse order.
For the 25 ampere model, swirl ring must be
installed with word "front" facing away from
torch body.
5
8
7
New
6
*Pit
Depth
Worn
3
4
2
New
1
Worn
Ref. 801 301 / 801 139 / Ref. 801 396-A / 801 405
Plunger Area
OM-1593 Page 15