Remove/install the electropneumatic pressure converter · ar0717w0002h · Mercedes-Benz WIS

AR07.17-W-0002H

Remove/install the electropneumatic pressure converter

17.6.08

ENGINES 902.9, 906.9 in MODEL 957 with CODE (MS8) natural gas engine

W09.40-1053-06

1 Electrical connector

2 Control line for turbocharger

3 Compressed-air line

4 Bracket

Y87 Electric-pneumatic converter (EPW)

 	Remove/install
 Danger!	Risk of explosion caused by escaping natural gas or overheated compressed-gas tanks when working on natural gas powered vehicles. Risk of frostbite to parts of the body caused by escaping natural gas and by touching components near the valves when emptying compressed-gas tanks. Risk of poisoning or risk of suffocation caused by inhaling natural gas.	Remove any sources of ignition. Ensure that the work area is adequately ventilated. Wear heat protective gloves.	AS00.00-Z-0018-01A
	Notes on work safety regulations for vehicles with natural gas-powered engines		AH00.10-N-1000-04A
1	Switch off ignition
2	Open maintenance flap
 Danger!	Risk of injury caused by body parts being pinched or crushed as cab is tilted	Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure with the safety strut.	AS60.80-Z-0001-01A
3	Tilt cab
	Notes on tilting the cab		AH60.80-N-0003-01A
4	Disconnect electrical connector (1) at electropneumatic pressure converter (EPW) (Y87)
5	Remove compressed-air line (3) and turbocharger control line (2) from electropneumatic pressure converter (EPW) (Y87)	 Installation: Replace sealing rings.
			*BA07.54-N-1014-01A
6	Take electropneumatic pressure converter (EPW) (Y87) out of bracket (4)		*BA07.54-N-1011-01A
7	Install in the reverse order
8	Read out fault memory, and clear any stored faults	 Only if replacing electropneumatic pressure converter (EPW) (Y87).

 Gas injection and ignition system

Number	Designation		Engine 902.9 with code MS8, Engine 906.9 with code MS8


BA07.54-N-1011-01A	Bolt, electric-pneumatic converter to bracket	Nm	30
BA07.54-N-1014-01A	Control line/air line to electropneumatic pressure converter	Nm	30

ah0010n100004a Oplysninger om arbejdssikkerhedsbestemmelser for køretøjer med naturgasdrevne motorer
ah6080n000301a Oplysninger om tipning af førerhus
as0000z001801a Fare for eksplosion på grund af udslip af brændbare gasser eller overophedning af gasbeholderen. Fare for personskade på grund af forbrændinger på hud og øjne. Fare for forfrysninger på legemsdele på grund af udstrømmende gas og b
as6080z000101a Fare for personskade ved fastklemning og knusning, når førerhuset tippes