Miller Electric PRO 300 - Manual

Standard features include: Stick, Lift-Arc ™ TIG, Flux Cored and MIG.
Other features include digital preset weld meters, output contactor
control, and automatic idle.
Processes
Stick (SMAW)
MIG (GMAW)
Flux Cored (FCAW)
DC TIG (GTAW)
Air Carbon Arc (CAC-A)
Rated: 3/16 in (4.8 mm) carbons,
Capable: 1/4 in (6.4 mm) carbons
Air Plasma Cutting and Gouging with
optional Spectrum models
Industrial Applications
Pipe Welding
Structural Steelwork
Fabrication
Maintenance
Repair
Quick
Specs
PRO 300
Engine-Driven Welder/
AC Generator
Issued May 2008 • Index No. ED/5.21
Auto Remote Sense (ARS) detects
if a remote control is plugged into
the 14-pin receptacle and eliminates
confusion of a remote/panel switch.
Simple-to-set controls require no
elaborate procedure — just select
process and weld!
Tailored Arc Control (DIG) allows
the arc characteristics to be
changed for specific applications
and electrodes. Smooth running
7018 or stiffer, more penetrating
6010 electrodes.
The Power of Blue ® .
Welder/generator is warranted by Miller for 3 years, parts and labor.
Engine is warranted 3 years by engine manufacturer.
Miller Electric Mfg. Co.
An Illinois Tool Works Company
1635 West Spencer Street
Appleton, WI 54914 USA
Web Site
www.MillerWelds.com
International Headquarters
Phone: 920-735-4505
USA FAX: 920-735-4134
Canadian FAX: 920-735-4169
International FAX: 920-735-4125
Output Range DC Stick 40 – 410 A
DC TIG 20 – 410 A
FCAW/MIG 14 – 40 V
Generator Output Rated at 104˚ F (40˚ C)
12,000 Watts Peak
10,000 Watts Continuous
Quiet operation: Improves work
site communication.
CATERPILLAR C1.5,
21.7 HP @ 1800 RPM
industrial engine
Heavy-Duty Low-Speed
Industrial Engine Choices!
Deutz D2008 L04,
24.3 HP @ 1800 RPM
industrial engine
Designed to operate over 10,000
hours before the first basic
overhaul. Backed by worldwide
support and service.
Thermal overload protection
prevents machine damage if the
duty cycle is exceeded or airflow
is blocked.
Optional Stainless Steel
Appearance Package provides
additional exterior protection to
withstand corrosive environments.
Improved!
Superior Arc
Performance!
Accu-Rated ™ – Not Inflated
Generator Power
The Professional Welder’s
Choice — designed with the
professional in mind, the
PRO 300 is the best for ease of
use, reliability and fuel economy.
Superior arc performance
• Four preset DIG settings (Stick)
• Hot Start
™ (Stick)
• Lift-Arc ™ TIG with Auto-Stop ™
and Crater-out
• MIG/FCAW arc performance
Meter maintenance displays.
• Hour meter function
• Oil change interval
• High coolant temperature and
low oil pressure shutdowns
• Low fuel shutdown — engine
shuts downs before system
runs out of fuel, making
restarts easy.
The Vault — ultimate control
board reliability. See page 4.