Miller FT-1 Посібник користувача - Сторінка 10

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2.
Inspect all component mounting bolts, and tight-
en if necessary.
3.
Inspect flux hose and air lines for damage and
leaks. Be sure clamps are tight. Repair or replace
as required.
4.
Remove tank cover, and examine flux screen in-
side tank. Clean out any large particles if
necessary.
5-3.
CHANGING MONOCOIL LINER (Figure 5-1)
WARNING: ELECTRIC SHOCK can kill; FLY-
ING FLUX PARTICLES can puncture eyes
and skin; WELDING WIRE can cause punc-
ture wounds.
•
Do not touch live electrical parts.
•
Shut down welding power source and wire
feeder and be sure they cannot be accidental-
ly energized before working on gun compo-
nents.
•
Close air valve, bleed pressure from tank,
and disconnect air supply.
•
Do not point gun toward any part of the body,
any conductive surface, or other personnel.
IMPORTANT: Whenever the monocoil liner is changed,
blow out both the monocoil liner and monocoil casing
with compressed air.
1.
Cut off any portion of the electrode wire which ex-
tends beyond the end of the nozzle.
2.
Retract remaining electrode wire onto wire spool.
3.
Disconnect gun from wire feeder and flux tank,
and lay gun out flat (no coils in cable/conduit).
4.
Remove outlet wire guide from gun/feeder
connector.
5.
Loosen setscrew in gun handle and large set-
screw in gun/feeder connector (see Figure 5-1).
6.
Pull out monocoil liner from gun/feeder connector
end of casing.
CAUTION: FLYING DIRT AND METAL PAR-
TICLES can injure personnel and damage
equipment.
•
Point gun liner only in a safe direction away
from personnel and equipment when clean-
ing with compressed air.
7.
Blow out gun casing or liner with compressed air
whenever the wire or liner is removed.
8.
Insert new liner fully into casing and tighten both
setscrews to hold liner in place.
CAUTION: OVERTIGHTENING MONOCOIL
LINER SETSCREWS will damage liner.
•
Do not overtighten setscrews.
9.
Reinstall outlet wire guide into gun/feeder
connector.
OM-1542 Page 6
10.
Cut off new liner so that is sticks out approximate-
ly 1/8 in (3.2 mm) from wire guide.
11.
Reconnect gun to wire feeder and flux tank.
12.
Thread electrode wire through gun (see wire
feeder Owner's Manual).
13.
Reconnect air supply to flux tank.
14.
Resume operation.
Extension
(Optional)
Head
Tube
onocoil
Liner
etscrew
Gun Trigger
Flux
Hose
Figure 5-1. Flux Gun Components
5-4.
CHANGING CONTACT TUBE (Figure 5-1)
WARNING: ELECTRIC SHOCK can kill; FLY-
ING FLUX PARTICLES can puncture eyes
and skin; WELDING WIRE can cause punc-
ture wounds.
•
Do not touch live electrical parts.
•
Shut down welding power source and wire
feeder and be sure they cannot be accidental-
ly
energized
components.
•
Close air valve, bleed pressure from tank,
and disconnect air supply.
•
Do not point gun toward any part of the body,
any conductive surface, or other personnel.
1.
Remove the nozzle extension if applicable.
2.
Cut off any portion of the electrode wire which ex-
tends beyond the end of the contact tube.
3.
Remove the contact tube.
Nozzle
Contact
Tube
Monocoil
Outlet Wire
Plug
Liner
Guide
Setscrew
Monocoil
Liner
Gun/Feeder
Connector
Hose
Clamp
ST-084 443-A
before
working
on
gun