B-4

OPERATION

B-4

15. ELECTRIC FUEL GAUGE- The electric fuel gauge gives accurate and reliable indication as to how much fuel is in the fuel tank.

16. ENGINE HOUR METER- Displays the total time that the engine has been running. This meter is useful for scheduling prescribed maintenance.

17. ENGINE PROTECTION LIGHT- A warning indicator light for Low Oil Pressure and/or Coolant Over Temperature. The light is off when the sys- tems are functioning properly. The light turns on when the RUN-STOP switch is in the “ON” posi- tion prior to starting the engine. If the Engine Protection or Battery Charging Lights do “not” turn off shortly after starting the engine shut off the engine immediately and determine the cause.

STARTING THE ENGINE

NOTE: If the unit fails to start repeat step 4 through step 7 after waiting 30 seconds

CAUTION

Do not allow the starter motor to run continuously for more than 20 seconds.

Do not push the START button while the engine is running because this can damage the ring gear and/or the starter motor.

IF the Engine Protection or Battery Charging Lights do “not” turn off shortly after starting the engine shut off the engine immediately and deter mine the cause.

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NOTE: When starting a RANGER 305D for the first time, or after and extended period of time of not oper- ating, it will take longer than normal because the fuel pump has to fill the fuel system.

1.

Remove all plugs connected to the AC power

STOPPING THE ENGINE

 

receptacles.

 

 

 

 

Remove all welding and auxiliary power loads and

 

 

2.

Set IDLER switch to AUTO.

 

 

 

 

 

 

 

 

allow the engine to run at low idle speed for a few

3.

Set the RUN/STOP switch to RUN.

minutes to cool the engine.

4.

Press Glow Plug Button and hold 5 to 10 seconds.

 

5.

Press and hold both the “Glow Plug” Button and

STOP the engine by placing the RUN-STOP switch in

 

START button together until the engine starts or for

the STOP position.

 

up to 10 seconds.

 

 

6.

Release the engine START button immediately

NOTE: A fuel shut off valve is located on the fuel pre-

 

when the engine starts.

filter.

7.

Release the glow plug button after the Engine

WELDER OPERATION

 

Protection Light turns off or after an additional 5

 

seconds maximum.

DUTY CYCLE

8.

The engine will run at high idle speed for approxi-

Duty Cycle is the percentage of time the load is being

 

mately 12 seconds and then drop to low idle speed.

 

Allow the engine to warm up at low idle for several

applied in a 10 minute period. For example a 60% duty

 

minutes before applying a load and/or switching to

cycle, represents 6 minutes of load and 4 minutes of no

 

high idle. Allow a longer warm up time in cold

load in a 10 minute period.

 

weather.

 

TABLE B.1

TYPICAL RANGER 305D FUEL CONSUMPTION

 

Kubota D722

Running time for

 

 

Gal./Hr (Liters/Hr)

12 gallons-hours

Low Idle - No Load

 

 

 

 

2450 R.P.M.

.29 (1.09)

41.77

 

High Idle - No Load

 

 

 

 

3650 R.P.M.

.54 (2.06)

22.02

 

DC Weld Output

 

 

 

 

250 Amps @ 28 Volts

1.03

(3.91)

11.62

 

DC Weld Output

 

 

 

 

300 Amps @ 29 Volts

1.18

(4.47)

10.16

 

 

 

 

 

 

9,500 Watts

1.16

(4.38)

10.37

 

 

 

 

 

 

7,000 Watts

.96

(3.63)

12.50

 

 

 

 

 

 

3,000 Watts

.70

(2.67)

17.03

 

 

 

 

 

 

RANGER 305D

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Image 21
Lincoln Electric IM836-B Starting the Engine, Stopping the Engine, Welder Operation, Typical Ranger 305D Fuel Consumption