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The Classic® 300D Perkins is a heavy duty, engine driven,
DC arc welding power source, capable of providing constant
current output for stick welding or DC TIG welding. This
welder is wound with all copper coils, rated at 300 amps/32
Volts, and provides other Classic® features such as
improved door latches and stainless hinges. With the addi-
tion of the optional K623-1 Wire Feed Module
™
, the
Classic® 300D Perkins will provide constant voltage output
for running the LN-7, LN-23P, or LN-25 wire feeders. (The
Wire Feed Module is factory installed on the K1643-8). The
optional K924-5 Remote Control Kit, provides a remote con-
trol rheostat for remote fine current and open circuit voltage
adjustment. See Section C for description.
The Classic® 300D Perkins has an Electronic Engine
Protection System. In the event of sudden low oil pressure
or high coolant temperature, the engine immediately shuts
down. The Classic® 300D Perkins has a current range of
40-350 DC amps with output ratings as follows:
These units are also capable of providing 3 KVA of 115/230
volts of 60 cycle AC auxiliary power.
The Classic® 300D Perkins uses the Perkins 404D-22
industrial water-cooled diesel engine.
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Both the engine and the welder controls are located on one
recessed panel at the exciter end of the machine. The
welder controls consist of a five step “Current Range
Selector” switch and a “Fine Current Adjustment” rheostat.
The welder is equipped with a “Start” button, an “Ignition”
switch, an “Idler” control switch, and a “Glow Plug” button for
easier cold weather starting.
The control panel also contains an engine temperature
gauge, a battery charging ammeter, an oil pressure gauge,
for auxiliary power consists of one 20 amp, 120VAC (5-20R)
duplex receptacle with GFCI protection and one 15 amp,
250VAC (6-15R) receptacle, protected by 2 pole, 15 Amp
breaker.
==@AA6C.:?5:?8D - For long life and dependable
operation.
?8:?6 5=6C - The Classic® 300D Perkins is equipped with
an electronic automatic engine idler. It automatically
increases and decreases engine speed H96?DE2CE:?82?5
DE@AA:?8H6=5:?8@CFD:?82FI:=:2CJA@H6C.
A built-in time delay permits changing electrodes before the
engine slows to its low idle speed.
The “Idler” control switch on the panel locks the idler in high
idle position when desired.
FI:=:2CJ'@H6C - 3.0 KVA of nominal 115/230V, 60Hz, AC.
Output voltage is maintained within ± 10% at all loads up to
rated capacity. (See Optional Features Section C for Power
Plug Kit.)
$@5F=6Protects the 20 amp, 120V duplex recepta-
cle. See the $2:?E6?2?46*64E:@? for detailed information
on testing and resetting of the GFCI Module.
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A GFCI Module protects the 120V auxiliary power
receptacle.
A GFCI (Ground Fault Circuit Interrupter) is a device to protect
against electric shock should a piece of defective equipment
connected to it develop a ground fault. If this situation should
occur, the GFCI module will trip, removing voltage from the out-
put of the receptacle. If a GFCI module is tripped see the
MAINTENANCE section for detailed information on testing and
resetting it. A GFCI module should be properly tested at least
once every month.
The 120 V auxiliary power receptacle should only be used with
three wire grounded type plugs or approved double insulated
tools with two wire plugs. The current rating of any plug used
with the system must be at least equal to the current capacity of
the associated receptacle.
.6=56C?4=@DFC6 - The complete welder is rubber mount-
ed on a rugged steel “C” channel base.
The output terminals are placed at the side of the machines
so that they are protected by the door. The output terminals
are labeled (+) and (-).
C2?<:?8*JDE6> - A 12 volt electric starter is standard.
:C=62?6C - Heavy duty two stage dry type.
$F77=6C - A muffler and stainless steel exhaust outlet elbow
are standard.
?8:?6@FC$6E6C - A meter to record hours of operation.
?8:?6'C@E64E:@?The system shuts the engine down in
the event of sudden low oil pressure or high coolant temper-
ature. A warning light on the control panel will indicate such
a fault. To reset the engine for restarting, turn the ignition
switch off then on.
&:=C2:?-2=G6A ball valve, hose and clamp are stan-
dard.
)6>@E6 @?EC@=- The Remote / Local Switch and
Receptacle are standard.
250A @ 30V
300A @ 32V
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