Bernard S300 Application guide

Issued Jan. 2008 • Index No. SPEC DRAFT

HD Q™

and S™

Series

300, 400, 500, 600 Amp MIG Guns

USA

Made with

Pride and without

Compromise in the

All Guns are Not Created Equal

A MIG gun should be durable, easy to

use and customized to your specific

application. Our MIG guns put you in

control: you choose the options you need

and we'll build a gun to last. We even

ship most of our guns within 24 hours.

Centerfire

contact tips, n

ozzles and diffusers

are easy-to-use and high perf

orming -

they

provide better arc s

tarts, less spatter and more

consistent welds - and also l

ast u

p to three tim

longer than competitive brands.

One piece HD straight

hand

le with rubber

overmold

exceptionally

durable and

mfortable in multiple hand positions

Armor protected standard locking trigger

can be

coupled with dual schedule switch, allowing guns

to be performance matched to

user preference

Necks available in fixed, rot

atable and multiple

length options

for optimal weld accessibility and

improved operator comfort. Rotatable necks

changeover without tools.

Patented Jump Liner

allows quick neck change

and replacement of only most common

ly worn or

clogged liner area, which reduces the amount of

time a gun is offline and minimizes inventory.

Liners coiled in-house

with proprietary process

that improves wire feed performance and 100

per

cent tested to ensure smoothe

st wire feed in

the industry.

Back end with durable rigid st

rain relief

easily interchangeable direct plugs and trigger

ads connect to wir

e feeders and machines

from major manufacturers and allow simple

maintenance.

Phone: 800-946-2281

(US Only)

708-946-2281

(Outside US)

Fax: 708-946-6726

For more information, visit us at BernardWelds.com

Stay-Ti

te™

Technology

ong-lasting pow

er cable

compression fittings

and necks with large

tapere

d gun connections

combine

to form the

foundation of Bernard

tay

Tite

technology.

his technolog

y ensures

optimal conductivity to

incre

ase weld consist

ency

and lessen heat ou

tput

hile impro

ving prod

uct

durability.

Q400 MIG Q-Gun

shown

with

HD straight handle, medium

45˚ rotating neck, dual scedule

switch and locking trigger.

A perfect fit for heavy

equipment manufactuing,

HD Q-Guns and S-Guns

fuse

maximum durability with

superior comfort

Amperage Ratings

MIG Gun Duty Cycle Description

100% NEMA

100%CE

60% CE

35%CE

Q300 / S300

350

320

370

470

Gas

n/a

270

310

390

80%AR20%CO

Q400 / S400

400

350

425

520

Gas

n/a

285

350

440

80%AR20%CO

Q500 / S500

500

420

480

575

Gas

n/a

370

420

500

80%AR20%CO

Q600 / S600

550

440

540

650

Gas

n/a

420

500

550

80%AR20%CO

Bernard

An Illinois Tool Works Company

449 West Corning Road, Box 667

Beecher, Illinois 60401 USA

14 16

2008 Bernard Printed in U.S.A.

Replacement Parts List

ITEM #

Q300 / S300

PART #

Q400 / S400

PART #

Q500 / S500

PART #

Q600 / S600

PART #

DESCRIPTION

See Centerﬁ re Spec Sheet

Nozzle Assy

See Centerﬁ re Spec Sheet

Contact Tip

See Centerﬁ re Spec Sheet

Gas Diffuser

See Centerﬁ re Spec Sheet

Cap

See Neck Spec Sheet

Neck

See Jump Liner Spec Sheet

Jump Liner

1780074

End Cap

1680056

End Fitting, Q Tube Receiver

1880239

Handle Kit

(Includes Handle Screw)

Q300 / Q400

1680058

Q500 / Q600

1680055

Stay-Tite™ End Fitting

S300 / S400

1680059

S500 / S600

1680057

1540012

1540011

Stay-Tite™ Cone Nut

407709-013

Jacket Clamp

(2 Req'd)

Q300

4991

Q400

1520017

Q500/Q600

4993

Conduit Clamp (

2 Req'd

)

2 Req'd)2 Req'd

S300

N/A

S400

N/A

S500/600

N/A

4209

Handle Screw

2690064

Trigger Assy, Std., Locking

(Includes 2 Butt Connectors & Std.

Plug)

2690067

Trigger Assy, Dual Schedule,

Locking

(Includes 4 Butt Connectors

& D/S Cover)

2190009

Plug, Std. Trigger

(Req'd for Std)

2690062

Speed Switch Cover

(Req'd for D/S)

2620078

Leaf Spring, Dual Schedule

(Req'd

for D/S)

4932

Butt Connector

(4 Req'd Std., 8

Req'd D/S)

Q300

2520033

Q400 thru Q600

2520041

Spring Strain Relief

S300 thru S600

2520056

Strain Relief Kit

(Includes: Top &

Bottom Halves)

2520073

Strain Relief with Installed Gas Pin

(Bernard Direct Plug)

2520069

Strain Relief

(Euro Direct Plug)

2520066

Strain Relief

(All Other DP's)

GN2021

Electrical Plug-Non D/S

(Not Req'd

on Bernard or Euro DP)

20006A

Electrical Plug-D/S

(Not Req'd on

Bernard or Euro DP)

1010027

Adapter Block

(Not Req'd on

Bernard or Euro DP)

W11127-002

Screw, Strain Relief

(Not Req'd on

Bernard DP)

See Liner Spec Sheet

Liner

See Direct Plug Spec Sheet

Direct Plug Components

Q300

1983Q

Q400

1984Q

Q500

1985

Q600

1986

Rear Stay-Tite™ Repair Kit

S300

N/A

S400

N/A

S500

N/A

S600

N/A

This manual suits for next models

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