Bernard Q500 Application guide
Q500 MIG Q-Gun™ shown with
OXO® style large curved handle,
medium 45˚ rotating neck and
standard trigger.
Issued Feb. 2008 • Index No. SPEC QS456X-1.1
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.
S-Guns™ built with ultra heavy-
duty steel monocoil power cables
are highly resistant to kinking for
exceptional gas flow and wire feed
in applications that cause other
guns to fail.
Phone: 800-946-2281 (US Only) 708-946-2281 (Outside US)
Fax: 708-946-6726
For more information, visit us at BernardWelds.com
Stay-Tite™ Technology
Long-lasting power cable
compression fittings
and necks with large
tapered gun connections
combine to form the
foundation of Bernard®
Stay-TiteTM technology.
This technology ensures
optimal conductivity to
increase weld consistency
and lessen heat output
while improving product
durability.
Bernard®
An Illinois Tool Works Company
449 West Corning Road, Box 667
Beecher, Illinois 60401 USA
Q™
and S™
Series with OXO® style large handle
400, 500, 600 Amp MIG Guns
Centerfire™ contact tips, nozzles and diffusers
are easy-to-use and high performing - they
provide better arc starts, less spatter and more
consistent welds - and also last up to three times
longer than competitive brands.
Necks available in fixed, rotatable 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 commonly 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
percent tested to ensure smoothest wire feed in
the industry.
OXO® style handle option allows configuration
of Bernard Q-Gun or S-Gun with feel similar to
former OXO APX gun.
Back end with durable rigid strain relief and
easily interchangeable direct plugs and trigger
leads connect to wire feeders and machines
from major manufacturers and allow simple
maintenance.
Amperage Ratings
MIG Gun Duty Cycle Description
100% NEMA 100%CE 60% CE 35%CE
Q400 / S400 400 350 425 520 CO2 Gas
n/a 285 350 440 80%AR20%CO2
Q500 / S500 500 420 480 575 CO2 Gas
n/a 370 420 500 80%AR20%CO2
Q600 / S600 550 440 540 650 CO2 Gas
n/a 420 500 550 80%AR20%CO2
©2008 Bernard Printed in U.S.A.
Replacement Parts List
AMP
1
2
3
4
5
6
7
8
9
10
9
11
16
17
22
18
19
20
21
23
24
25
10 10 10
9
12
13
14
19
15
*1880220 and 1880221 Handle Kits include halves, screws and nuts.
†1984Q, 1985 and 1986 Rear Stay-Tite™ Repair Kit includes jacket clamp,
conduit clamp, Stay Tite™ cone nut, Stay-Tite™ end fitting, nipple, spacer, and
butt connectors.
ITEM # Q400 / S400
PART #
Q500 / S500
PART #
Q600 / S600
PART #
DESCRIPTION
1See Centerfire Spec Sheet Nozzle Assy
2See Centerfire Spec Sheet Contact Tip
3See Centerfire Spec Sheet Gas Diffuser
4See Centerfire Spec Sheet Cap
5See Neck Spec Sheet Neck
6See Jump Liner Spec Sheet Jump Liner
7Q400
1680049
Q500
1680050
Q600
1680050
Stay-Tite™ End Fitting
S400
1680047
S500
1680048
S600
1680048
8Q400
1540003
Q500
1540004
Q600
1540004
Stay-Tite™ Cone Nut
S400
CB9201
S500
20038
S600
CB9206
NS Q400
1520017
Q500
4993
Q600
4993
Conduit Clamp (2 Req'd)
S400
Not Needed
S500
Not Needed
S600
Not Needed
NS Q400
4939
Q500
4944
Q600
4944
Jacket Clamp (2 Req'd)
S400
407709-013
S500
407709-013
S600
407709-013
9 1880220 *Handle Kit - Std. Trigger, Locking Trigger & Dual
Pull Trigger
1880221 *Handle Kit - D/S Std. Trigger & D/S Locking
Trigger
10 177488 Trigger, Standard
MS2110 Trigger, Locking
2620062 Trigger, Dual Pull w/Extension
177379 Trigger, Standard w/Extension
11 PDS Switch Assembly, Dual Schedule (Includes
Switch, Housing & Screws)
12 177272 Nut, Square (4 Req'd Non-D/S, 3 Req'd D/S)
13 203296-005 Screw (4 Req'd Non-D/S, 3 Req'd D/S)
14 20005 Screw, Modified (1 Req'd D/S)
15 177271 Contact Pin (2 Req'd)
16 177289 N/A Support, Cable
17 Q-Guns
2520041
Strain Relief
S-Guns
2520056
18 Rigid 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)
19 4932 Butt Connector (2 Req'd Non-D/S, 4 Req'd D/S)
20 See Direct Plug Spec Sheet Direct Plug Components
21 See Liner Spec Sheet Liner
22 Q400
1984Q
Q500
1985
Q600
1986
†Rear Stay-Tite™ Repair Kit
S400
N/A
S500
N/A
S600
N/A
23 1010027 Adapter Block (Not Req'd on Bernard or Euro
Direct Plug)
24 W11127-002 Screw, Strain Relief (Not Req'd on Bernard Direct
Plug)
25 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 Direct Plug)
This manual suits for next models
10
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