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Special Health Notice-
Plastics
Certain plastic materials, when being processed, may
emit fumes and/or gases that may be hazardous to the
operator's health. Proper ventilation of the work station
should be provided where such materials are processed.
Inquiries should be made to the U.S. Department of L a-
bor concerning OSHA regulations for a particular plastic
prior to processing with Dukane welding equipment.
Electrical Safety
AC Power Receptacle
The power cord used on the Dukane vibration welder,
Models 4300, 4500, and 4700, has a three-pole, four-
blade, grounding type plug designed for 3-Phase 480 VAC
at 30 Amps. The 480 VAC 3-Phase plug configuration
is shown in Figure 2-1. It is designed to be plugged into
a 480 VAC, 3-Phase, 30 Amp, NEMA type L16 -30R
receptacle as shown in Figure 2-2.
NOTE: Model 4900 is not supplied with a power cord.
Do not alter the plug or receptacle in any way. Do not
use an extension cord. If there is any question about the
grounding or phasing of your AC power, have it checked
by a qualified electrician. See custom input voltage note
in Section 13 – Specifications - AC Power.
AC Power Disconnect
Always turn off the AC power at the disconnect switch
before opening any of the service doors or attempting
any maintenance on the welder. The recommended
practice is to also tag and lock out the disconnect switch.
The CE-compliant AC disconnect is standard. Turn the
switch to the off position as shown, then pull the center
horizontal bar out to insert a lockout as shown in Fig-
ure 2-3. The handle style AC disconnect, which is also
available, is shown in Figure 2- 4 with a lockout and tag.
Electrical Cabinet Door
The electrical cabinet service door is mechanically inter-
locked to the CE-compliant AC power disconnect. The
cabinet door cannot be opened without first turning off
the AC power.
Dukane Manual Part No. 403-592-00
G
(Ground)
480VAC 3-Phase AC Plug Configuration
Figure 2-1
480V
480V
480V
GND
G
Note that Z is
narrower than
X or Y
480VAC 3-Phase,30A Receptacle Wiring
Figure 2-2
CE–Compliant AC Power Disconnect
Figure 2-3
with Lockout and Tag
Section 2 - Health and Safety
Z
X
277V
277V
X
Y
NEMA L16–30
Receptacle
Z
Configuration
Page 11
Y
277V
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