Remove/install fuel metering pump

AR83.70-P-5654FR

Remove/install fuel metering pump

14.06.2018

Model

257

with code 228 (Auxiliary heater)

Model

290

with code 228 (Auxiliary heater)

Shown on model 257

1

Fuel hose

3

Bracket

2

Electrical connector

Y23

Stationary heater fuel pump

 Danger

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.

No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only.
Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

 Danger

Risk of explosion caused by fuel vapors igniting, risk of poisoning caused by inhaling combustible gases and risk of injury caused by burns during and after operation of heater unit

Do not operate stationary heater, auxiliary heater or engine with heater booster in closed rooms or when refueling. Allow heater unit to cool down after operation and wear protective gloves.

AS83.70-Z-0002-01A

Notes on safety-relevant components

AH00.00-Z-0019-01A

 

Remove/install

1

Release rear right underfloor paneling until the stationary heater fuel pump (Y23) is accessible.

AR61.30-P-1001FR

2

Disconnect electrical connection (2).

3

Disconnect fuel hoses (1).

 Clamp

*000589403700

4

Remove fuel hoses (1) from stationary heater fuel pump (Y23).

 Installation: Replace snap clamps.

 Collect fuel which runs out in a suitable container.

 Pliers for click clamps

*171589003700

5

Unhook stationary heater fuel pump (Y23) from holders (3).

 Installation: Observe direction of installation of stationary heater fuel pump (Y23).

6

Install in the reverse order.