Clean fire extinguishing system

AR86.10-P-0120MB

Clean fire extinguishing system

15.11.11



Removing

 Danger!

Risk of injury to skin and eyes from particles when blowing out extinguishing agent lines

Wear protective gloves, protective clothing and safety glasses.

AS86.00-Z-0005-01A

1

Switch off ignition, detach transmitter key from electronic ignition switch control unit

2

Remove fuses no. 54 and no. 58 in rear fuse and relay module

 The rear fuse and relay module is located below the right rear seat.

See: 



Fuse assignment of rear fuse and relay box

GF54.15-P-1256-01MB

3

Open engine hood

 See Operator's Manual

4

Remove extinguishing agent tank paneling (3)

AR86.10-P-0103MB

5

Unscrew union nut (1) and separate extinguishing agent tubing (2) from extinguishing agent tanks (3).

 Do not remove extinguishing agent tanks.

6

Connect compressed air flushing connection to extinguishing agent tubing (2)

 The compressed air flushing connection can be obtained from the manufacturer of the fire extinguishing system:



Clean

7

Connect compressed air flushing connection to compressed air hose for workshop compressed air supply and add compressed air.

 Pressure approx. 10 bars.

 Danger!

Risk of death caused by vehicle slipping or toppling off lifting platform

Align vehicle between the columns of the lifting platform and position the four support plates at the lifting platform support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

8

Raise vehicle

 Do not damage extinguishing agent lines on fire extinguishing system when jacking up vehicle.

9

Check extinguishing agent outlet holes (4) on extinguishing agent lines (5) over entire length as well as extinguishing agent line end pieces (6) for air outlet, clean if necessary.

 Clean clogged extinguishing agent outlet holes (4) with commercially available Ø 2.5 mm drill bit.



Special notice regarding wax preservative

AH97.20-P-1000-02PV

10

Disconnect compressed air hose from workshop compressed air supply

11

Remove compressed air flushing connection from compressed air hose and extinguishing agent tubing (2).

12

Blow out engine fire extinguishing system temperature sensor (B65) at bottom left on front wheel carrier and rear fire extinguishing system temperature sensor (B65/1) with compressed air and remove dirt.

 Contaminated engine fire extinguishing system temperature sensor (B65) and rear fire extinguishing system temperature sensor (B65/1) can influence the fire extinguishing system function.

13

Lower vehicle

 When pulling out the supports arms, ensure that the extinguishing agent lines for the fire extinguishing system are not damaged.

14

Blow out engine fire extinguishing system temperature sensor (B65) on suspension strut tower and remove dirt.

 Contaminated engine fire extinguishing system temperature sensor (B65) can influence the function of the fire extinguishing system.



Install

15

Connect fire extinguishing tubing (2) to fire extinguishing agent tanks (3) and tighten union nuts (1).

 Observe tightening instructions.

See: 

Tightening instructions for fire extinguishing system extinguishing agent lines

AR86.10-P-0114-01A

16

Close engine hood

 See Operator's Manual

17

Install extinguishing agent tank paneling (3).

AR86.10-P-0103MB

18

Insert fuses no. 54 and no. 58 into rear fuse and relay box.

 The rear fuse and relay module is located below the right rear seat.

See: 



Fuse assignment of rear fuse and relay box

GF54.15-P-1256-01MB



Checking

19

Perform self-test for fire extinguishing system

AR86.10-P-0101-01MB