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K1639-1 COMMANDER 500 STANDARD MODEL
• The K1639-1 is the standard version of the
Commander 500 and has all the features of the
K1639-2 Deluxe version except that there are no
gauges, low fuel light, nor dual output meters. This
version does have fully functional engine protection
for low oil pressure, high oil temperature, and alter-
nator output with associated lights.
• A field-installed Dual Output Meter and Gauge Kit
(K-1768-1) is available for the K1639-1 Commander
500.The kit includes dual output meters, oil pressure
gauge, oil temperature gage, and alternator amme-
ter.
WELDING CAPABILITY
The Commander 500 is rated at 500 amps, 40 VDC at
100% duty cycle and 575 amps, 36 VDC at 50% duty
cycle. The maximum open circuit voltage at 1900 RPM
is 80 volts. The weld current is variable from 30 to 575
amps.
CONTROLS AND SETTINGS
All welder and engine controls are located on the case
front panel. Refer to Figure B.1 and the explanations
that follow.
B-4 B-4
OPERATION
COMMANDER 500
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FIGURE B.1 – CASE FRONT PANEL CONTROLS
1
2
3
4
5
6
7 8
9
22
12
18
20
14
16
23
9
FUEL
TEMP
OIL
PRESS
OIL
AMPS
10
11
15
21
19
1917
13