ar0703p146002mm

Relieve fuel pressure

Type ar · emne 07.03 · version 0116 · 2020-04-16

Gælder for: Engine 133, 139, 152.9, 157, 176, 177, 178, 254.9, 256, 260, 264, 270, 274, 276, 278, 282

Ikke tilgængelig på “da”; vises på Engelsk.

Placering

Funktionsgruppe 1 Motor › 07 Blandingstilberedning › 07.03 Indsprøjtningsdyser, indsprøjtningsventiler, ledninger — Serie 176 · Serie 177

EinPAS 15 Motor › 15.45 Motorstyring › 15.45.1 Grundinformation — Serie 176 · Serie 177

Gælder også for motorer/gearkasser: 133 ***, 139 ***, 152 9**, 157 ***, 178 ***, 254 9**, 256 ***, 260 ***, 264 ***, 270 ***, 274 ***, 276 ***, 278 ***, 282 ***

AR07.03-P-1460-02MM

Relieve fuel pressure

Danger

Risk of explosion caused by fuel igniting. Risk of injury to skin and eyes caused by fuel spraying out at high pressure

Keep all ignition sources out of hazard area.
Do not carry out any work on system when it is pressurized.

AS07.16-Z-0001-01A

Danger

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.

No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only.
Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Engine

133, 139, 152.9, 157, 176, 177, 178, 254.9, 256, 260, 264, 270, 274, 276, 278, 282

Ensure absolute cleanliness when working on the high-pressure fuel circuit. Thoroughly clean the area around the connecting point before opening the high-pressure fuel circuit. Use only lint-free cleaning cloths
Even the smallest dirt particles in the hydraulic components will impair the function of the high-pressure fuel circuit and cause it to fail.

During reduction of the fuel pressure always wear oil-resistant, fiber-free gloves which are lined with rubber.

1

Cover connecting point for the high-pressure line to be opened using suitable rags.

2

Carefully loosen union nut somewhat for the high-pressure line to be opened.

No fuel should flow over the engine.
Otherwise damage will occur.

The pressure in the fuel high-pressure circuit is increased for an engine at operating temperature. Thus causes a larger fuel quantity to leak out.

Collect exuded fuel using a suitable absorbent rag.

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