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DUAL MAVERICK
®
450 (AU)
ENGINE OPERATION
STARTING THE ENGINE
1. Open the engine service compartment door and check that
the fuel shutoff valve on the fuel filter separator located on
the liftbale is in the open position.
2. Ensure the battery lockout switch is in OFF position.
3. Check for proper oil level and coolant level. Close engine
service compartment door.
4. Remove heavy auxiliary loads from the AC power receptacles.
5. Firmly set the Operator Selector Switch to Single or Dual. The
Operator Selector Switch can be set to Single or Dual mode
and must be securely in one of the two positions.
6. Set the RUN/IDLE/STOP switch to "AUTO IDLE".
7. For cold weather starting, press Glow Plug Button and hold 15
to 20 seconds.
8. Press START button until the engine starts or for up to 10
seconds.
9. Release the engine START button when the engine starts.
10. Allow the engine to warm up at low idle speed for several
minutes before applying a load and/or switching to high idle.
Allow a longer warm up time in cold weather.
COLD WEATHER STARTING
With a fully charged battery and the proper weight oil, the engine
should start satisfactorily even down to about -4°F(-20°C) below
this it may be desirable to use the included block heater.
NOTE: Extreme cold weather starting may require longer glow plug
operations.
STOPPING THE ENGINE
Switch the RUN/IDLE/STOP switch to "STOP". This turns off the
voltage supplied to the shutdown solenoid. A backup shutdown
can be accomplished by shutting off the fuel valve located on the
fuel pre-filter located on the liftbale.
EMERGENCY STOPPING
Emergency shutoff controls are for EMERGENCY USE ONLY. DO
NOT use emergency shutoff devices or controls for normal
stopping procedure.
TYPICAL FUEL CONSUMPTION
Refer to Table B.2 for typical fuel consumption of the
Dual Maverick
®
450 (AU) Engine for various operating settings.
TABLE B.2
TYPICAL DUAL MAVERICK 450 (AU)
FUEL CONSUMPTION
Load
Low Idle No Load
2120 RPM
STICK WELD OUTPUT
50A @ 22V
STICK WELD OUTPUT
100A @ 24V
STICK WELD OUTPUT
150A @ 26V
STICK WELD OUTPUT
200A @ 28V
STICK WELD OUTPUT
300A @ 32V
STICK WELD OUTPUT
350A @ 34V
(OR 450A @ 26V
Aux. 5000W
Aux. 8000W
Aux. 13000W
AUTO START IDLE Wait
State
NOTE: This data is for reference only. Fuel consumption is approximate and
can be influenced by many factors, including engine maintenance, environ-
mental conditions and fuel quality.
B-3
OPERATION
PERKINS
Operating Time for
403D-11 T4i
20 gallons (75.7 L)
gal./hr (liters/hr)
(Hours)
0.226(0.856)
88.50
0.453(1.716)
44.15
0.536(2.027)
37.31
0.646(2.447)
30.96
0.77(2.917)
25.97
1.012(3.831)
19.76
1.41(5.337)
14.18
0.78(2.954)
25.64
0.973(3.684)
20.55
1.457(5.514)
13.73
0
N/A
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