Miller LF30 Owner's manual

Brand: Miller

Model: LF30

Type: Owner's manual

This manual is also suitable for

OWNER’S MANUAL OM-226 439A

September 2005

RHC-14 (300 130) Remote Hand Control For PipePro 450 RFC

1. Safety Symbol Definitions

Warning! Watch Out! There are possible hazards as

shown in the adjoining symbols.

Have only trained and qualified persons install, operate,

or service this unit. Call your distributor if you do not

understand the directions. For WELDING SAFETY and

EMF information, read power source Manual.

Beware of electric shock from wiring. Keep all panels and

covers closed.

Wear safety glasses with side shields.

2. Specifications And Connections

804 369-A

1 RHC-14

2 14-Pin Amphenol Plug

Units are equipped with a 20 ft

(6 m) cord.

A 3-1/4 in

(83 mm)

B 3-3/4 in

(95 mm)

C 3-3/4 in

(95 mm)

3. Routine Maintenance

Y Turn Off all power before maintaining.

3 Months

Everyday

Replace

Cracked

Parts

Replace

Unreadable

Labels

Cord(s)

Move Control From

Min. To Max.

OM-226 439 Page 2

4. Troubleshooting

Trouble Remedy

No voltage control. Set switches and controls on welding power source (see welding power source Owner’s Manual).

Check weld output on welding power source (see welding power source Owner’s Manual).

Secure cord connections or replace cord, if necessary.

No output (contactor) control. Remote Hand Control switch in wrong position.

Check switch settings and weld output on welding power source (see welding power source Owner’s

Manual).

Secure cord connections or replace cord, if necessary.

5. Circuit Diagrams

226 436-A

RHC-14

OM-226 439 Page 3

6. Parts List

Description

Part

No.

Dia.

Mkgs.

Item

No.

Figure 6-1. Complete Assembly

Quantity

1 +014 417 WRAPPER 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

085 220 LABEL,CAUTION ELECTRIC CIRCUIT 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 070 654 BUSHING,STRAIN RELIEF 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 175 284 CABLE,PORT NO 20 5/C 20’. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4 PLG1 215 031 PLUG 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

200 545 STRAIN RELIEF 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5 R1 035 897 POT,CP STD SLOT 1T 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6 S1 011 609 SWITCH,TGL SPDT 15A 125VAC 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7 097 922 KNOB,POINTER 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8 130 214 NAMEPLATE 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9 109 974 CASE SECTION,BASE/FRONT/REAR 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

+When ordering a component originally displaying a precautionary label, the label should also be ordered.

BE SURE TO PROVIDE MODEL AND STYLE NUMBER WHEN ORDERING REPLACEMENT PARTS.

804 370-A

. Hardware is common and

not available unless listed.

Figure 6-1. Complete Assembly