. A complete Parts List is available at www.MillerWelds.com

SECTION 3 − DEFINITIONS

3-1. Symbol Definitions

 

Stop Engine

 

Fast

 

Fast/Slow

 

Slow (Idle)

 

 

(Run, Weld/Power)

 

(Run/Idle)

 

 

 

 

 

 

 

 

Start Engine

 

Read Operator’s

A

Amperes

V

Volts

 

 

Manual

 

 

 

 

 

 

Engine Oil

 

Fuel

 

Battery (Engine)

 

Engine

 

Engine Choke

 

Check Valve

 

Do not switch while

 

Work Connection

 

 

Clearance

 

welding

 

 

 

 

 

 

 

 

Positive

 

Negative

 

Alternating Current

 

Output

 

 

 

(AC)

 

 

 

 

 

 

 

 

 

Welding Arc

 

MIG (GMAW),

 

Stick (SMAW)

 

TIG (GTAW)

 

(Electrode)

 

Wire

 

 

 

 

 

 

 

 

h

Hours

s

Seconds

 

Time

 

Protective Earth

 

 

 

 

(Ground)

 

 

 

 

 

 

 

Circuit Protector

Temperature

SECTION 4 − SPECIFICATIONS

4-1. Weld, Power, and Engine Specifications

.This unit uses either a Robin EH-65 or a Kohler CH-23 engine. Differences between models are noted throughout this manual.

Welding

Weld Output

Rated

Maximum

 

Fuel

 

Welding

Open Circuit

Generator Power Rating

Engine

Mode

Range

Capacity

Output

Voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

250 A, 25 V,

 

 

 

 

CC/AC

40 − 250 A

100% Duty

80

 

 

 

 

 

Cycle

 

 

 

 

 

 

 

 

Peak: 10.5 kVA/kW

 

Robin EH-65

 

 

 

 

 

 

 

250 A, 25 V,

 

Continuous: 9.5 kVA/kW,

 

Air-Cooled, Two-Cylinder,

 

 

 

 

Four-Cycle, 22 HP

CC/DC

40 − 250 A

100% Duty

80

Single-Phase,

 

 

Gasoline Engine

 

 

Cycle

 

84/42 A, 120/240 V AC,

12 gal

 

 

 

 

 

 

 

 

60 Hz

or

 

 

 

 

(45 L) Tank

 

 

 

 

(while not welding)

Kohler CH-23

 

 

 

 

 

 

 

 

 

 

 

 

 

275 A, 25 V,

 

 

 

Air-Cooled, Two-Cylinder,

 

 

60% Duty

 

 

 

Four-Cycle, 23 HP

CV/DC

17 − 28 V

Cycle

41

 

 

Gasoline Engine

250 A, 28 V,

 

 

 

 

 

 

 

 

 

 

 

100% Duty

 

 

 

 

 

 

Cycle

 

 

 

 

 

 

 

 

 

 

 

OM-4419 Page 12

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Miller Electric Bobcat 250 manual Symbol Definitions, Weld, Power, and Engine Specifications