Lincoln Electric IM10163 FLEX FEED 74 HT - Manual (Page 10)

A-3
INSTALLATION
FLEX FEED™ 74 HT
SAFETY PRECAUTIONS
ELECTRIC SHOCK CAN KILL.
• ONLY QUALIFIED PERSONNEL
SHOULD PERFORM THIS
INSTALLATION.
• Turn the input power OFF at the
disconnect switch or fuse box
before attempting to connect or
disconnect input power lines,
output cables or control cables.
• Do not touch the wire drive, drive rolls, wire
coil or electrode when welding output is ON.
• Wire feeder may be connected to a piece of
automatic equipment that may be remotely
controlled.
• Do not operate with covers, panels or guards
removed.
• Do not let the electrode or wire spool touch the
wire feeder housing.
• Insulate yourself from the work and ground.
• Always wear dry insulating gloves.
• The lift bail is insulated from the wire feeder
enclosure. If an alternate hanging device is
use. it must be insulated from the wire feeder
enclosure.
MOVING PARTS can injure.
• Keep away from moving parts.
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WARNING
LOCATION
The Flex Feed 74 HT is rated IP2X and is suitable
for indoor use.
For best wire feeding performance, place the Flex
Feed 74 HT on a stable and dry surface.
When suspending the wire feeder, insulate the
hanging device from the wire feeder enclosure.
DRIVE ROLL AND WIRE GUIDES
(See Figure A.1)
1. Turn power OFF at the welding power source.
2. Open the wire drive door by pulling on the top.
3. Remove the outer wire guide.
4. Remove drive rolls by pulling straight out. It may be
necessary to wiggle the drive roll to free it from the
snap ring.
5. Remove the inner wire guide.
6. Install the new inner wire guide, with the arrow
pointing in the direction of wire travel.
7. Install the drive rolls and outer wire guide.
8. Close the wire drive door and adjust the pressure
setting accordingly.
INNER WIRE DRIVE
DIVE ROLLS
OUTER WIRE DRIVE
FIGURE A.1