ar8370s5653b

Removing and installing fuel strainer in intake connection of fuel metering pump

Type ar · topic 83.70 · version 0101 · 2010-09-15

Applies to: MODEL 638 with ENGINE 611.980 except CODE (H92) Deletion of heater booster

Where it sits

Function group 3 Body › 83 Climate control › 83.70 Auxiliary/supplementary heater — Series 611 (models 980) · Series 638

EinPAS 39 Heating/ventilation/cooling › 39.25 Stationary heater/auxiliary heater › 39.25.46 Pump/container — Series 611 (models 980) · Series 638

AR83.70-S-5653B

Removing and installing fuel strainer in intake connection of fuel metering pump

7.9.10

MODEL 638 with ENGINE 611.980 except CODE (H92) Deletion of heater booster

Removing and installing fuel strainer in intake connection of fuel metering pump

S83.70-4005-06

1 Heat deflection plate

2 Nut

3 Nut

4 Fuel feed line

5 Union nut

6 Fuel main filter

7 Air inlet pipe

A75.3 Connector, heater booster in electrics box

A87 Stationary heater with heater booster

A87.1 Connector, stationary heater with heater booster

A90 Heater booster

A90.1 Connector, heater booster

M54 Fuel pump, heater booster

Removing, installing

1

Disconnect ground lead from battery

Installation: -Code radio.
-Set clock.

AR54.10-S-0005A

Notes on battery

AH54.10-P-0001-01A

Danger!

Risk of explosion due to fuel vapors, risk of poisoning from combustion gases and risk of injury through burning during or after heater operation

Do not operate stationary heater, or engine with heater booster in enclosed areas or while filling fuel tank. Allow heater unit to cool down after operation and wear protective gloves.

AS83.70-Z-0002-01A

2

Unscrew nuts (3)

*BA83.70-N-1005-01A

3

Detach heater unit (A87, A90) with holder

4

Remove nuts (2) of heat deflection plate (1)

Place heat deflection plate (1) to one side.

5

Cut cable ties of electrical unit and of air inlet pipe (7)

Installation: replace cable ties. Note installation position of cable ties.

6

Disconnect fuel feed line (4)

Clamp

*000589403700

Danger!

Risk of explosion through ignition, risk of poisoning through inhaling and ingestion of fuel as well as risk of injury through skin and eye contact with fuel.

AS47.00-Z-0001-01A

7

Detach fuel feed line (4)

Collect escaping fuel in a suitable container.

Installation: replace hose clamp.

8

Remove union nut (5) from fuel pump, heater booster (M54)

To loosen union nut (5), counterhold fuel pump (M54) at connection.

9

Detach fuel main filter (6) from fuel pump, heater booster (M54)

10

Install in the reverse order

Inspecting

11

Carry out function check

AR83.70-S-5302-02A

Stationary heater unit

Number

Designation

Model
638

BA83.70-N-1005-01A

Holder to floor assembly

Nm

8

Removing and installing fuel strainer in intake connection of fuel metering pump

000 589 40 37 00

Clamp

Referenced documents