Remove/install MR/PLD injection lines

AR07.15-T-9235BB

Remove/install MR/PLD injection lines

14.2.12



Removing

 Danger!

Risk of explosion caused by oxyhydrogen gas. Risk of poisoning and caustic burns caused by swallowing battery acid. Risk of injury caused by burns to skin and eyes from battery acid or when handling damaged lead-acid batteries

No fire, sparks, open flames or smoking. Wear acid-resistant gloves, clothing and safety glasses. Only pour battery acid into suitable and appropriately marked containers.

AS54.10-Z-0001-01A

1

Disconnect electric cables at battery.

Model 613.358/388

AR54.18-T-0002BA

Model 671.015/020/021/030/042/332/333

AR54.18-T-0002AA



Notes on battery

All models

AH54.10-P-0001-01A

2

Open left rear maintenance flap

Only on model 671.015/020/021/030/042/
332/333

3

Open engine compartment flap

4

Remove interior flap above engine

Model 613.358/388

AR88.40-T-1100-03BA

Model 671.015/020/021/030/042/332/333

AR88.40-T-1100-03AA

5

Remove charge air manifold

AR09.41-T-8681BB

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 contact with fuel.

No fire, sparks, open flames or smoking.
Only pour fuels into suitable and appropriately marked containers.

Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

6

Remove injection lines MR/PLD (1) from pressure pipe connection (2) pressure screws

 Do not bend injection lines MR/PLD (1). Counterhold pressure pipe connection (2) pressure screws using a box wrench. Close off bores on pressure pipe connection using suitable plugs.



*000589070300

7

Remove injection lines MR/PLD (1) from MR/PLD unit pumps

 Do not bend injection lines MR/PLD (1). Close off bores on MR/PLD unit pumps using suitable caps.



Install

8

Retighten pressure pipe connection (2) pressure screws on cylinder head



*BA07.15-N-1004-01C



*000589642100

9

Attach injection lines MR/PLD (1) to MR/PLD unit pumps

 Do not bend injection lines MR/PLD (1). Observe correct installation position of injection lines MR/PLD (1).



*BA07.15-N-1003-01C



*000589642100

10

Attach injection lines MR/PLD (1) to pressure pipe connection (2) pressure screws

 Do not bend injection lines MR/PLD (1). Counterhold pressure pipe connection (2) pressure screws using a box wrench. Observe correct installation position of injection lines MR/PLD (1).



*BA07.15-N-1003-01C



*000589642100



*000589070300

11

Install charge air manifold

AR09.41-T-8681BB

12

Clip electrical cables onto the battery

Model 613.358/388

AR54.18-T-0002BA

Model 671.015/020/021/030/042/332/333

AR54.18-T-0002AA



Notes on battery

All models

AH54.10-P-0001-01A



Checking

 Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the running engine

Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not grasp hot or rotating parts.

AS00.00-Z-0005-01A

13

Start engine

 If the engine fails to start after 30 seconds, repeat starting procedure after 1 minute.

14

Check MR/PLD injection lines (1) for leaks

 Leaky MR/PLD injection lines (1) must never be retightened. Leaky MR/PLD injection lines (1) must be replaced by new Leaky MR/PLD injection lines (1).

15

Turn off engine

16

Install interior flap above engine

Model 613.358/388

AR88.40-T-1100-03BA

Model 671.015/020/021/030/042/332/333

AR88.40-T-1100-03AA

17

Close left rear service flap

Only on model 671.015/020/021/030/042/
332/333

18

Close engine compartment flap

Number

Designation

Engine 457.9

BA07.15-N-1003-01C

Union nut, injection line to pressure pipe connection/unit pump

Nm

30

BA07.15-N-1004-01C

Pressure screw, pressure pipe connection to cylinder head

Nm

40