Removing and installing fuel metering pump · ar8370s5652b · Mercedes-Benz WIS

AR83.70-S-5652B

Removing and installing fuel metering pump

7.9.10

MODEL 638.0 /1 /2 as of 13.10.97 with CODE (H12) Hot water auxiliary heater
D5WS or B5WS

S83.70-2501-06

1 Hose clamp

2 Fuel feed line

3 Fuel metering pump

4 Clamp

5 Fuel return line

6 Connector

7 Nut

8 Rubber mount

9 Holder

 	Removal, installation
1	Disconnect ground lead from battery	 Installation: Set timer to current time (see Eberspächer operating instructions).	AR54.10-S-0005A
 Danger!	Fuel vapors present an explosion hazard. Combustion gases are toxic when inhaled. Heater can cause severe burns during and after operation.	Do not start up or operate stationary heaters or engines with heater boosters in closed rooms or in the vicinity of service stations. Allow heater to cool off after operation and wear protective gloves.	AS83.70-Z-0002-01A
 Danger!	Fuel vapors present an explosion hazard. Fuel is toxic when inhaled or absorbed. Contact with fuel can cause eye and skin injury.	Fire, open lights and smoking prohibited. Avoid sparks. Fill and store fuel only in containers intended for this purpose and marked accordingly. Wear protective clothing when handling fuel.	AS47.00-Z-0001-01A
2	Disconnect connector (1) from fuel metering pump (3)
3	Attach clamps (4) on fuel lines (2, 5)		*000589403700
4	Remove fuel feed line (2) together with hose clamp (1)	 Catch fuel running out in suitable vessel.  Installation: Replace hose clamp (1).
5	Remove fuel return line with hose clamp (1)	 Catch fuel running out in suitable vessel.  Installation: Replace hose clamp (1).
6	Unscrew nut (7) from rubber mount (8) on holder (9)		*BA83.70-N-1006-01A
7	Remove fuel metering pump (3) from rubber mount (8)
8	Install in opposite order
9	Check for proper function		AR83.70-S-5302-02A

 Stationary heater

Number	Designation		Model 638


BA83.70-N-1006-01A	Rubber mount for fuel metering pump on holder	Nm	8

000 589 40 37 00

Clamp

ar5410s0005a Remove/install battery
ar8370s530202a Checking stationary heater for proper function
as4700z000101a 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.
as8370z000201a 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