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LF-72/74
INSTALLATION
AA-3 AA-3
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SAFETY PRECAUTION
LOCATION
The LF-74 may be placed on a bench, mounted on top
of a welding power source or assembled to an appro-
priate boom.
Place the LF-74 in a clean and dry location.
Do not stack the LF-74.
ELECTRIC SHOCK can kill.
• Turn the input power OFF at the
welding power source before instal-
lation or changing drive rolls and/or
guides.
• Do not touch electrically live parts.
• When inching with the gun trigger, electrode
and drive mechanism are "hot" to work and
ground and could remain energized several sec-
onds after the gun trigger is released.
• Welding power source must be connected to
system ground per the National Electrical Code
or any applicable local codes.
• Only qualified personnel should perform main-
tenance work.
----------------------------------------------------------------------------------------
5/8-16 5/8-16 THREADSTHREADS
(
4 PLACES)(4
P
LACES)
1/4-20 1/4-20 THREADSTHREADS
(4 PLACES)(4
PLACES)
5/16-18 5/16-18
THREADSTHREADS
(4 PLACES)(4
PLACES)
MOUNTING FEETMOUNTING
FEET
SECURED WITH SECURED
WITH
#10-24 SCREWS#10-24 SCREWS
(4 PLACES)(4
PLACES)
FIGURE AA.1
FIGURE AA.2
MOUNTING
For location and size,
LF-74 Bench Model Rear
Mounting Holes (See Figure AA.1) and for
Bottom
Mounting Holes
(See Figure AA.2).