Perform quick test for leaks

AR06.00-P-0003RFW

19.10.2018

Engine

780 in model 253.992/993

P06.00-A001-09

Test point in area of fuel filler flap is shown

P06.00-A002-09

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

P06.00-A003-09

Test point in area of pressure regulating unit is shown

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.

เอกสารที่อ้างถึง