D83.70-1502-09
1 | Air intake duct | 3 | Exhaust line | ||||
2 | Electrical line | 4 | Fuel line |
D83.70-1503-09
5 | Passenger seat | 8 | Fire-retardant cover | 11 | Heater unit | ||
6 | Seat frame | 9 | Fire-retardant cover | 12 | Cover | ||
7 | Soundproofing | 10 | Air fitting | 13 | Electrical connector |
D83.70-1504-09
1 | Air intake duct | 11 | Heater unit | 16 | Fastening bracket | ||
3 | Exhaust line | 14 | Bracket | Pfeile | Access openings | ||
4 | Fuel line | 15 | Nuts |
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 contactwith fuel. | No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only. | |
Danger ! | Risk of explosion caused by fuel vapors igniting, risk of poisoning caused by inhaling combustible gases and risk of injury caused by burns during and after operation of heater unit | Do not operate stationary heater, auxiliary heater or engine with heater booster in closed rooms or when refueling. Allow heater unit to cool down after operation and wear protective gloves. | |
| Notes on self-locking nuts and bolts | ||
| Notes on carrying out repair work in the vehicle interior | ||
| Remove/install | ||
1 | Raise vehicle | ||
2 | Remove air intake duct (1) for heater (11) from body | ||
3 | Expose electrical line (2) for fuel metering pump and disconnect electrical connector (arrow) | Installation: Ensure that electrical line (2) does not make contact with exhaust line (3). | |
4 | Expose fuel line (4) for heater (11) | Installation: Ensure that fuel line (4) does not make contact with exhaust line (3). | |
5 | Remove exhaust line (3) for heater (11) from body | ||
6 | Lower vehicle | ||
7 | Open front passenger door | ||
8 | Remove front passenger seat (5) from seat base (6) and set down in back | Do not remove belt end fitting from seat frame. | |
Bolt, seat to seat frame | |||
9 | Remove soundproofing (7) | ||
10 | Remove fire-retardant covers (8, 9) | ||
11 | Unclip front and rear air vents from air fittings (10) and remove | ||
12 | Remove air fitting (10) from seat base (6) and take out with hoses | ||
13 | Remove cover (12) from heater (11) and disconnect electrical connector (13) from heater (11) | ||
14 | Place insulation mats in area of bracket (14) to one side in seat base (6) | ||
15 | Unscrew nuts (15) of bracket (14) from mounting bracket (16) | Nut, bracket for heater to cab floor | |
16 | Release heater (11) with bracket (14) from mounting bracket (16) and lift up | While doing so, pull air intake duct (1) and exhaust line (3) out of mounting bracket (16). | |
Installation: Do not get electrical wiring harness caught in seat base. | |||
If sealing tape on mounting bracket (16) is damaged: | |||
| |||
Replace sealing tape on mounting bracket (16). | |||
17 | Expose fuel line (4) and disconnect in bracket (14) from heater (11) | Access through access openings (arrows) in bracket (14). | |
18 | Remove heater (11) with bracket (14), air intake duct (1) and exhaust line (3) | Pay attention to installation position. | |
19 | Remove heater (11) from bracket (14) | Only when replacing the heater (11). | |
20 | Install in the reverse order | ||
| Check | ||
21 | Perform function test |
Referenced documents
- ah0000n000101a Notes on self-locking nuts and bolts
- ah6800n000101s Notes on carrying out repair work in the vehicle interior
- ar0060d1000h Lift/jack up vehicle
- ar8370d5331a Detach/attach heater from bracket
- as4700z000101a 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 contactwith fuel.
- as8370z000201a Risk of explosion caused by fuel vapors igniting, risk of poisoning caused by inhaling combustible gases and risk of injury caused by burns during and after operation of heater unit