0145 - Checking the fuel pump (note deviations for off-road vehicles) Engines 601, 602.91, 603.91 · ra07016010145x · Mercedes-Benz WIS

07.1-145 Testing fuel pump (delivery)

Job no. of Job Texts and Work Units or Standard Texts

and Flat Rates 07-5701

0145 - Checking the fuel pump
(note deviations for off-road vehicles)
Engines 601, 602.91, 603.91

Testers (001, 015, 016, 021)	connect
Return line (81)	disconnect and hold in the measuring cup approx. 1 l.
Note The return to the fuel tank must be sealed.
Key in steering lock position	turn to "0", this means the injection pump is in zero delivery position.
Connect contact handle (040) to terminal 30 and terminal 50	and start engine for 30 seconds (starting voltage min. 10 V).

Set value

Transfer pump at least 150 cm3/30 seconds. Renew fuel filter and/or transfer pump if required. Check fuel

pressure (07.1-146).

Use

stop watch (041)

Test values


Engine	601, 602, 603
Rate of delivery at 150/min minimum	at least 150 cm3/30 s
Test requirement	Glow starter switch in position "0"

Special tools

Commercially available tools


Digital tester	e. g. Bosch, MOT 001.03
Measuring glass or cup (at least 1 liter)
Stop watch

Checking

----------------

1 Connect digital tester

(001) according to

connection diagram.

001 Digital tester

021 TDC pulse generator

2 Disconnect return line (E) and hold into the measuring cup.

3 Turn ignition lock in position "0", the injection pump is now in "zero" delivery position.

4 Pull off coupling (X 27) and connect adapter line to terminal 50 (Kl 50).

Model 124

Model 201

Connect contact handle to adapter line and to one of the terminals 30 (Kl 30) on terminal block (arrow) and start engine for 30 seconds.
(Starting voltage at least 10 V)

Set value rate of delivery:
at least 150 cm3/30 seconds

If the set value is not achieved, check fuel pressure (07.1-146).

0145 - Checking the fuel pump (note deviations for off-road vehicles) Engines 601, 602.91, 603.91

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