ar0754d0002a

Checking the liquified gas system for leaks

Type ar · topic 07.54 · version 0101 · 2016-09-14

Applies to: Engine 111.984

Where it sits

Function group 1 Engine › 07 Mixture formation › 07.54 Gas injection and ignition system

EinPAS 15 Engine › 15.45 Engine management › 15.45.1 Basic information

EinPAS 16 Fuel/power supply to engine › 16.10 Fuel supply › 16.10.1 Basic information

Also applies to engines/gearboxes: 111 984

AR07.54-D-0002A

Checking the liquified gas system for leaks

30.08.2016

Engine

111.984

Modification notes

24.08.2016

Safety notice replaced

Note block before the work description

Checking the liquified gas system for leaks

D07.54-1125-09

Overview of test points

1

Filling connection

4

Evaporator pressure regulator

7

Gas distributor

2

Liquid gas tank

5

Gas filter

8

Pressure sensor (inlet, exit pressure)

3

Liquid phase solenoid valve

6

Gas injection valves

Danger !

Risk of explosion due to escaping combustible gas or overheating of gas cylinders.Risk of injury caused by burns to skin and eyes. Risk of frostbite to body parts caused by escaping gas and by touching components near the valves when emptying gas cylinders. Risk of poisoning or suffocation caused by inhaling gas.

Remove any sources of ignition.
Protective clothing, safety gloves and safety glasses must always be worn.
Ensure that the work area is adequately ventilated.
When working on vehicles at ambient temperatures over 60 °C, all gas cylinders must be removed.

AS00.00-Z-0018-01A

Danger !

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

Check

1

Switch on ignition

2

Start engine and allow to idle

3

Set selection switch to gas

The green diode lights up when it is switched over.

4

Spray the test points shown with leak detection spray or check with a gas detector

In order to check on the filler connection (1), the vehicle must be refilled with liquefied petroleum gas. Run engine in LPG mode.

5

Document the work in an inspection logbook

Referenced documents