Miller 300 480 User manual

OWNER’S MANUAL OM-224 530B 2009−03
2 Wheel Cart 300 480
1-1. Safety Symbol Definitions
DANGER! −Indicates a hazardous situation which, if not
avoided, will result in death or serious injury. The possible
hazards are shown in the adjoining symbols or explained
in the text.
Beware of electric shock from welding electrode or wiring.
Touching the electrode while in contact with the work or
ground can cause electric shock. Always wear dry
gloves. Keep all panels and covers closed.
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury. The possible ha-
zards are shown in the adjoining symbols or explained in
the text.
Wear safety glasses with side shields.
NOTICE Indicates statements not related to personal injury.
Indicates special instructions.
Cylinders contain gas under high pressure and can ex-
plode if damaged. Never let a welding electrode touch
any cylinder. Always secure cylinder to running gear,
wall, or other stationary support.
Trailers
Falling equipment can cause serious personal injury and
equipment damage. Use lifting eye to lift unit only, not
trailer, gas cylinders, or any other accessories. Use
equipment of adequate capacity to lift unit or parts such
as engine or generator.
Running Gear
Falling equipment can cause injury and damage, over-
sized cylinder can cause tipping. Properly install and se-
cure all equipment onto cart before using cart. Always
secure or remove any tools stored on cart before moving
unit. Do not lift cart in any manner when equipment and
cylinder(s) are installed −use handles to move cart. Do
not overload handles with cables −use standard 10 to 15
foot cables as maximum lengths.
1-2. Assembled Cart & Cylinder Rack
22-1/4
23-1/4
46
565
591
1168
58 lb 26 Kg
Overall Dimensions
Length C
Width B
Height A
Inches Millimeters
Weight
Ref. 805 336-B
A
B
C

OM-224 530 Page 2
1-3. Typical Cart With Welding Power Source, Cooling System, And Gas Cylinder
805 338-A / 805 336-B
YDo not move or operate uit where
it could tip.
NOTICE −Do not exceed 15 tipping
angle.
1 Cart
2 Cooling System - Not Supplied
3 Welding Power Source - Not
Supplied
4 Straps
Use straps to secure cooling system
and welding power source to cart.
5 Gas cylinder - Not Supplied
6 Chain
Secure gas cylinder with chains.
7 Cable Holders
5
6
6
7
2
3
Maxstar 200 Models
Dynasty 200 Models
4
4
1
Strap Location For
Strap Location For
15°

OM-224 530 Page 3
1-4. Cart Parts List
805 337-B
.Hardware is common and
not available unless listed.
1
3
7
4
5
6
2
8
910
911
12
13
14
15
16
17
17
6
12
.Item 4 can be mounted in
alternative position if desired.
7
Figure 1-1. Complete Assembly
Description
Part
No.
Dia.
Mkgs.
238 389
Item
No.
Figure 1-1 Complete Cart Assembly.
Quantity
1 235507 Handle, Cart 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 227147 Screw, 250−20x .62 Pan Hd−torx Stl Pld Blk Tap−r4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 +237593 Tray 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 237594 Cable Holder 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 235521 Strap, Tie Down 1.000 w X 60.000 lg (300lbs) 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 235527 Bolt, Crg Stl .312−18 X 1.500 Gr2 Pld Zinc Clear 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 195666 Screw, 010−32 x .50 Pan Hd−torx W/Gndrng Stl Pld 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8 235515 Tray, Cooler 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9 602250 Washer, Flat .812 ID x 1.469 OD x .134t Stl Pld Ansi.750 4. . . . . . . . . . . . . . . . . . . . . . . . . .
10 163463 Wheel, Rbr Tire 10.000 OD X 2.000 Wide X .750 Bore 2. . . . . . . . . . . . . . . . . . . . . . . . . . .
11 121614 Ring, Rtng Ext .750 Shaft X .085 Thk E Style Pld 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12 231184 Nut, 312−18 .50 Hex .27h Stl Pld Sem Cone Wshr.76d 8. . . . . . . . . . . . . . . . . . . . . . . . . . .
13 235517 Bottle Tray Assy, Cart 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14 168663 Hook, spring .250, 2.375 Lg, .312 Snap Opening 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15 210224 Chain 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16 +235518 Support, Bottle/Tray 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17 200285 Label, Warning Cylinder May Explode If Damaged 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested
Replacement Parts. Model and serial number required when ordering parts from your local distributor.
+When ordering a component originally displaying a precautionary label, the label should also be ordered.

OM-224 530 Page 4
Notes