Remove/install high pressure gas filter element

AP47.20-B-4782DF

Remove/install high pressure gas filter element

09.04.2018

Engine

926.988 in model 382.180/181

Engine

926.996 in model 382.189

with code MH1 (DIESEL-GASEOUS FUEL ENGINE OM926LA)

1

High-pressure filter cover

2

Filter element plug

3

Sealing ring

4

Filter Element

5

Housing filter

6

Drain screw

7

O-Ring

 

Remove/install

 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

 Warning

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

Notes on work safety regulations for vehicles with natural gas-powered engines

AH00.10-B-1000-04A

1

Remove gas filter



AR47.20-B-0001A

2

Remove drain screw (6) on the filter housing (5)

 Installation: Replace sealing ring (7). Apply sealing tape on the plug screw (6), to prevent damages to the sealing ring.

 Drain plug on the filter housing

*BA47.20-B-1009-02A

3

Remove filter housing (5)

 Installation: Clean filter housing (5) with a lint-free cloth. Replace sealing ring (3).

 Filter housing on filter head

*BA47.20-B-1010-02A

4

Replace filter element (4)

 Installation: Before mounting the filter element (4), lubricate the screw on the filter head with mounting grease. Use a new screw (2) and tighten the filter element (4) by hand.

5

Install in reverse order



Check

6

Check the gas system in accordance with the current national guidelines

Notes on work safety regulations for vehicles with natural gas-powered engines

AH00.10-B-1000-04A

 Cover the connections with water and soap solution. Check for the formation of bubbles.

 Fuel filter

Number

Designation

Engine 924.9; 926.9

BA47.20-B-1009-02A

Drain plug on the filter housing

Nm

37

 Fuel filter

Number

Designation

Engine 924.9; 926.9

BA47.20-B-1010-02A

Filter housing on filter head

Nm

40