Skytrak 6036 Service Manual Bedienungsanleitung PDF herunterladen (Seite 194)

Engine: Cummins 4BT3.9

7.16

Model 6036 Legacy

7.8.1 Diesel Fuel

Fuel represents a major portion of vehicle operating costs

and therefore must be used efficiently. ALWAYS use a

premium brand of high-quality, clean diesel fuel. Low

cost, inferior fuel can lead to poor performance and

expensive engine repair.

Note: Use only diesel fuel designed for diesel engines.

Some heating fuels contain harmful chemicals that can

seriously affect engine efficiency and performance.

IMPORTANT: Due to the precise tolerances of diesel

injection systems, keep the fuel clean, and free of dirt

and water. Dirt and water in the fuel system can cause

severe damage to both the injection pump and the

injection nozzles. Use ASTM No. 2 D fuel with a

minimum Cetane rating of 40. No. 2 fuel gives the best

economy and performance under most operating

conditions. Fuels with Cetane numbers higher than 40

may be needed in high altitudes or extremely low

ambient temperatures to help prevent misfiring and

excessive smoking.

Inform the owner/operator of the vehicle to use No. 2 D

fuel, unless ambient temperatures are below 32° F (0° C).

When temperatures are below 32° F (0° C), a blend of

No. 1 D and No. 2 D fuels (known as “winterized” No. 2

D) may be used.

Note: No. 1 D fuel may be used, however, fuel economy

will be reduced.

Use a low-sulfur content fuel with a cloud point (the

temperature at which wax crystals form in diesel fuel) at

least 10° below the lowest expected fuel temperature.

The viscosity of the fuel must be kept above 1.3

centistrokes to provide adequate fuel system lubrication.

Note: When using diesel fuel with a sulfur content below

1.3 percent, the filter change interval must be reduced by

75 hours. The use of fuel with a sulfur content above

1.3 percent is not recommended.

7.8.2 Fuel/Hydraulic Oil Tank

Note: The fuel/hydraulic oil tank is part of a one-piece

unit divided into a two compartment (tank) unit. If it is

determined that either the fuel or hydraulic oil tank must

be removed, both the fuel and hydraulic oil must be

drained before tank removal. Always dispose of hydraulic

oil or fuel properly.

The fuel/hydraulic oil tank is a one piece unit (Fig. 7 -18, 7)

and is located on the right side of the vehicle, across from

the operator’s cab.

a. Fuel/Hydraulic Oil Tank Removal

1. Disconnect the negative (-) battery cable from the

battery.

2. Remove the fuel/hydraulic oil tank top cover from the

tank. Refer to Section 4.7.1, “Access Panel and

Cover Replacement.”

3. Remove the two frame top covers from above the

frame. Refer to Section 4.7.1, “Access Panel and

Cover Replacement.”

4. Disconnect the fuel level electrical connectors

(Fig. 7-18, 1) from the engine harness.

Note: If replacing the tank, remove all internal and

external components from old tank and retain for use on

the replacement tank.

5. Disconnect the hydraulic oil temperature sensor

connector (Fig. 7-18, 2) from the engine harness

connector.

Note: Have a dry chemical (Class B) fire extinguisher

near the work area.

6. Have a dry chemical (Class B) fire extinguisher near

the work area.

7. Remove fuel drain plug (Fig. 7-18, 3) and drain fuel

into an approved and suitable container. Dispose of

fuel properly. Install drain plug.

8. Remove hydraulic oil drain plug (Fig. 7-18, 4) and

drain hydraulic oil into an approved and suitable

container. Dispose of oil properly. Install drain plug.

9. Remove the #10 x 5/8" screws (Fig. 7-18, 5)

securing the fuel sender (6) to the tank (7). Remove

fuel sender from tank.

Note: Never reuse elastic nuts. Always replace used

elastic nuts with new elastic nuts.

10. Remove the 5/16-18 elastic nuts (Fig. 7-18, 8)

securing the hydraulic oil filter (9) to the tank.

Remove filter and gasket (10) from tank.

11. Disconnect the fuel outlet hose (Fig. 7-18, 11) and

return line hose (12) from the fuel tank.

12. Disconnect upper hydraulic hoses (Fig. 7-18, 13 and

14) from the tank, and cap outlet.

WARNING: DO NOT mix gasoline or

alcohol with diesel fuel. The mixture can cause

an explosion.

WARNING: Explosion and fire hazard.

Cap or safely cover the fuel/hydraulic oil tank

fittings before removing tank.

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