Remove/install right engine mount

AR22.10-P-1102RFW

Remove/install right engine mount

23.11.2018

Engine

780 in model 253.992/993

For better illustration, the hose above the screw (1) is shown as transparent

1

Screw

3

Right engine mount

2

Bolts

3

Right engine mount

 Danger

Risk of explosion caused by escaping hydrogen or overheating of the fuel tanks when working on the hydrogen system. Risk of frostbite to body parts caused by escaping gas and by touching component parts carrying gas when emptying fuel tanks. Risk of asphyxiation caused by inhalation of air diluted by hydrogen. Risk of burn injuries by coming into contact with an invisible pale blue hydrogen flame.

AS00.00-Z-0030-01B

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

Topical note

Notes on bolted connections with self tapping screws

AH00.00-P-0007-01SF

Topical note

Notes on fuel cell system

AH00.00-P-0022-01RFW

 

Remove/install

1

Ensure that the requirements for driving into the workshop are fulfilled.

Topical note

Requirements for driving into the workshop

AH00.00-P-0021-01RFW

2

Print out "tank system, fuel cell, form event log," fill out, and attach to the vehicle somewhere clearly visible.



OF00.00-P-3000-21RFW

3

Remove electrical compressor.

AR83.55-P-5311RFW

4

Mount engine support fixture.

AR01.10-P-2400-18RFW


Do not put electrical lines and hoses under tension.
Otherwise damage will occur.

 Adapter kit

*240589013100

 Engine lifting device

*240589006100

 Adaptation plates

*240589003200

 Engine hoist

*205589006100

5

Unscrew bolt (1).

 Bolt, front engine mount to engine support

*BA22.10-P-1001-03M

6

Unscrew bolts (2).

 Screw/bolt, front engine mount to front axle carrier

*BA22.10-P-1002-03M

7

Remove front fuel cell exhaust air pipe.

AR49.10-P-0004RFW

8

Lift fuel cell slightly and remove engine mount (3) downwards.

 Observe environmental protection regulations for disposal of the engine mounts. Dispose of engine mounts into mixed scrap.

 Always replace engine mounts in pairs.

9

Install in the reverse order.

 Engine mount, engine support (engine side)

Number

Designation

Model 253.992/993 with engine 780
with code ME02 (Fuel cell)

BA22.10-P-1001-03M

Bolt, front engine mount to engine support

Stage 1

Nm

50

Stage 2

°

-

 Engine mount, engine support (engine side)

Number

Designation

Model 253.992/993 with engine 780
with code ME02 (Fuel cell)

BA22.10-P-1002-03M

Screw/bolt, front engine mount to front axle carrier

Nm

30