1 | Fuel cell cover |
P06.00-2049-05
2 | Line bracket |
3 | Bolts |
4 | Air filter housing bracket |
P09.10-2460-06
5 | High-voltage connector |
6 | Screw |
6a | Screw |
7 | Ground cable |
8 | Screw |
9 | Screw |
10 | Electrical connector |
A9/5 | Electric refrigerant compressor |
P83.55-2357-06
11 | Screw |
12 | Bracket |
A9/5 | Electric refrigerant compressor |
P83.55-2358-06
12 | Bracket |
13 | Screw |
A9/5 | Electric refrigerant compressor |
P83.55-2359-06
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. | ||
Danger | Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC) | Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines. | |
Danger | Risk of fire due to ignition of R1234yf refrigerant on hot components. Risk of poisoning caused by inhaling overheated refrigerant vapors. Risk of injury to skin and eyes caused by contact with escaped R1234yf refrigerant and when working on pressurized parts. Risk of explosion due to formation of ignitable refrigerant/air mixtures | Never perform welding work on or near a closed air conditioning system. No smoking or open flames. Wear safety glasses and protective gloves. Work only in well ventilated rooms. Carry out repair work on the air conditioning system circuit only after the system has been evacuated. | |
Topical note | Notes on fuel cell system | ||
Topical note | General information on handling vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system | ||
Topical note | Information on preventing damage to electronic components due to electrostatic discharge | ||
Topical note | Notes on battery | ||
Topical note | Protect air conditioning circuit and components from moisture when carrying out repair work | ||
Notes on safety-relevant components | |||
Notes on handling refrigerant R1234yf | |||
| Remove/install | ||
1 | Ensure that the requirements for driving into the workshop are fulfilled. | ||
Topical note | Requirements for driving into the workshop | ||
2 | Print out "tank system, fuel cell, form event log," fill out, and attach to the vehicle somewhere clearly visible. | ||
| |||
3 | Perform power disconnect of high-voltage on-board electrical system. | ||
4 | Remove fuel cell cover (1). | ||
5 | Drain air conditioning system. | ||
Installation: Evacuate air conditioning system, refill it and check it for proper operation and leak tightness. | |||
6 | Remove air filter housing. | ||
7 | Release line bracket (2) from air filter housing holder (4). | ||
8 | Unscrew bolts (3). | Screw, air filter housing holder to fuel cell stack supporting frame/holder of electric refrigerant compressor | |
9 | Remove air filter housing holder (4). | ||
10 | Detach high-voltage plug (5) from electric refrigerant compressor (A9/5). | ||
11 | Seal the high-voltage plug (5) and the high-voltage connector socket on electric refrigerant compressor (A9/5) with protective covers, and place high voltage line to one side. | Set of protective covers | |
12 | Remove bolt (6) and place ground line (7) to one side. | Screw, ground point at holder of electric refrigerant compressor/fuel cell stack supporting frame | |
13 | Remove bolt (6a). | Screw, refrigerant line to electric refrigerant compressor holder | |
14 | Remove bolt (8) and remove high-pressure line from electric refrigerant compressor (A9/5) then seal openings. | Installation: Replace seal. | |
Bolt, refrigerant line to refrigerant compressor | |||
Record plug | |||
Set of protective covers | |||
15 | Remove bolt (9) and remove low-pressure line from electric refrigerant compressor (A9/5) then seal openings. | Installation: Replace seal. | |
Bolt, refrigerant line to refrigerant compressor | |||
Record plug | |||
Set of protective covers | |||
16 | Disconnect electrical connector (10) from electric refrigerant compressor (A9/5). | ||
17 | Remove screws (11). | Screw, electric refrigerant compressor holder to holder/supporting frame | |
18 | Remove electric refrigerant compressor (A9/5) with holder (12) upwards out of engine compartment. | ||
19 | Unscrew bolt(13) and remove electric refrigerant compressor (A9/5). | When replacing the electric refrigerant compressor (A9/5). | |
Screw, electric refrigerant compressor to holder | |||
20 | Check receiver drier for re-usability. | If necessary, | |
| |||
replace receiver drier. | |||
21 | Install in the reverse order. | ||
22 | Perform commissioning of electric refrigerant compressor(A9/5) with vehicle diagnosis system. | When replacing the electric refrigerant compressor (A9/5). | |
|
129 589 00 91 00
Record plug
001 589 01 91 00
Set of protective covers
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