Miller Electric AUTO ARC MW 4150 Owner's Manual page 19

4-3. RUNNING GEAR INSTALLATION
(Figure 4-2)
a
WARNING:
UNCONTROLLED TILTING OR
TIPPING of
unit
can
result in
personal injury
or
equipment damage.
Use
equipment of adequate capacity
to
lift the
unit.
If
using
lift forks
to
handle this unit, be
sure
the
lift forks
are
long enough to extend out of the
opposite
side of the base.
Do
not place
any
part
of the
body under the
unit while it is
suspended.
Place blocks under frame of unit before
installing
running
gear.
1. Install the
two 4
in. (102 mm)
casters and spread
er
bar
onto
the front
corners
of the
welding
power
source
base
a
shown in
Figure
4-2
using
3/8
in.
hardware.
2. Blockthe unit up
securely
in middleto
ease
instal
lation of
rear
wheel/gas cylinder rack
assembly.
3. Slide axle
through cylinder rack, and install
a
wheel
on
each end of axle with
a
3/4 in. flat wash
er on
each side of wheel.
4.
Secure wheels
in place with supplied retaining
rings.
5. Install cylinder rack
onto welding
power source
base using 5/16-18
x
3/4
cap
screws
and
asso
ciated hardware (see Figure 4-2).
6.
Remove the two front cap
screws
in
top
of
welding
power source
wrapper and discard. Install
run
ning
gear handle
onto
wrapper
using 1/4-20
x
3/4
cap
screws as
shown in Figure
4-2.
7. Install cylinder bracket
onto
rear
panel
of
welding
power
source as
shown in
Figure
4-2
using 1/4-20
x
3/4
cap
screws
and existing holes in
rear
panel.
8. Install safety chain onto cylinder bracket.
4-4.
OPTIONAL SPW-1 PANEL
INSTALLATION
(Figure 4-3)
a
WARNING: ELECTRIC SHOCK
can
kill.
Do
not
touch live electrical
parts.
Shut down
welding
power source,
and dis
connect input
power
employing lockout/tag
ging procedures
before
inspecting
or
install.
ing.
Lockout/tagging procedures
consist of
remov
ing input
power
plug
from
receptacle, pad
locking line disconnect switch in
open
position,
removing
fuses from fuse box,
or
shutting off
and
red-tagging
circuit breaker
or
other discon
necting device.
.wheel
SC-049 808-E
Figure 4-2. Running Gear Installation
Cylinder
Safety
chain
Flat
Washers
Nut
Cylinder
Rack
Axle
Spreader
Bar
Washer
Casters
Nut
Cap
Screw
Flat
Washers
OM-113 336
Page 11