ar0600p0003rfw

Perform quick test for leaks

Type ar · emne 06.00 · version 0100 · 2019-01-18

Gælder for: Engine 780 in model 253.992/993

Ikke tilgængelig på “da”; vises på Engelsk.

Placering

Funktionsgruppe 1 Motor › 06 Brændstofcellesystem › 06.00 Generelt — Serie 253 (modeller 992, 993)

EinPAS 16 Brændstof-/energiforsyning motor › 16.15 Brændselscelle › 16.15.1 Grundinformation — Serie 253 (modeller 992, 993)

Gælder også for motorer/gearkasser: 780 ***

AR06.00-P-0003RFW

Perform quick test for leaks

19.10.2018

Engine

780 in model 253.992/993

Perform quick test for leaks

P06.00-A001-09

Test point in area of fuel filler flap is shown

Perform quick test for leaks

P06.00-A002-09

Test point in area of fuel tank in front of rear axle is shown

Perform quick test for leaks

P06.00-A003-09

Test point in area of pressure regulating unit is shown

Perform quick test for leaks

P06.00-A004-09

Test points in area of fuel cell are shown

Danger

Risk of explosion caused by escaping hydrogen or overheating of the fuel tanks when working on the hydrogen system. Risk of frostbite to body parts caused by escaping gas and by touching component parts carrying gas when emptying fuel tanks. Risk of asphyxiation caused by inhalation of air diluted by hydrogen. Risk of burn injuries by coming into contact with an invisible pale blue hydrogen flame.

AS00.00-Z-0030-01B

Topical note

Notes on fuel cell system

AH00.00-P-0022-01RFW

Topical note

Requirements for driving into the workshop

AH00.00-P-0021-01RFW

Notes on safety-relevant components

AH00.00-Z-0019-01A

Perform quick test for leaks

1

Check test point (arrow A) using hydrogen tester.

253 588 03 21 00 Gas detection unit

WS47.00-P-0042B

Commercially available devices/tools Explosion-proof flashlight, comparable with AccuLux  MHL 5 EX flashlight of the company Witte + Sutor GmbH.

Insert tip of tester into opening in tank filler recess.

Specified value for hydrogen content is below 8000 ppm

If specified value is exceeded,

secure vehicle and allow to independently discharge until hydrogen loss is below 8000 ppm.

2

Check test point (arrow B) using hydrogen tester.

253 588 03 21 00 Gas detection unit

WS47.00-P-0042B

Commercially available devices/tools Explosion-proof flashlight, comparable with AccuLux  MHL 5 EX flashlight of the company Witte + Sutor GmbH.

Insert tip of tester into opening in underfloor paneling.

Specified value for hydrogen content is below 8000 ppm

If specified value is exceeded,

secure vehicle and allow to independently discharge until hydrogen loss is below 8000 ppm.

3

Check test point (arrow C) using hydrogen tester.

253 588 03 21 00 Gas detection unit

WS47.00-P-0042B

Commercially available devices/tools Explosion-proof flashlight, comparable with AccuLux  MHL 5 EX flashlight of the company Witte + Sutor GmbH.

Insert tip of tester into opening in underfloor paneling.

Specified value for hydrogen content is below 8000 ppm

If specified value is exceeded,

secure vehicle and allow to independently discharge until hydrogen loss is below 8000 ppm.

4

Check test points (arrow D) using hydrogen tester.

253 588 03 21 00 Gas detection unit

WS47.00-P-0042B

Commercially available devices/tools Explosion-proof flashlight, comparable with AccuLux  MHL 5 EX flashlight of the company Witte + Sutor GmbH.

Insert tip of tester between fuel cell and firewall.

Specified value for hydrogen content is below 8000 ppm

If specified value is exceeded,

secure vehicle and allow to independently discharge until hydrogen loss is below 8000 ppm.

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