Model | NMB613.367 with engine 457.944 |
with code HKG (Konvekta ACX 623 air conditioning with roof heater) | |
Model | NMB613.358/388 with engine 457.944 |
with code HA4 (Konvekta air conditioning with roof heater and timer) | |
Model | NMB613.358/388 with engine 457.944 |
with code HKD (Konvekta ACX 640 air conditioning with roof heater) | |
Model | NMB613.358/388 with engine 457.944 |
with code HKF (Webasto Top 2002 Aerosphere air conditioning with roof heater) |
Shown on model 613.358 with code HA4 (Konvekta A/C with roof heater and timer) |
1 | Refrigerant compressor poly-V-belt |
2 | Alternator V-belt |
3 | Tensioning device |
4 | Pressure-side shutoff valve |
5 | Refrigerant compressor |
6 | Screw |
7 | High-pressure connection |
8 | Magnetic clutch electrical connector |
9 | Carrier |
10 | Low-pressure connection |
11 | Screw |
12 | Intake-side shutoff valve |
T83.55-0022-06
| Remove/install | ||
Danger | Risk of explosion caused by welding or soldering work on closed air conditioning system. Risk of poisoning caused by inhaling overheated refrigerant vapors. Risk of injury to skin and eyes caused by contact with liquid refrigerant. | 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 areas. Carry out repair work on the air conditioning system circuit only after the system has been drained. | |
Topical note | Procedure for a damaged or leaky air conditioning system | ||
Topical note | Protect air conditioning circuit and components from moisture when carrying out repair work | ||
Notes on handling refrigerant R134a | |||
1 | Open liftgate | ||
2 | Drain air conditioning system |
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Model NMB613.358/388 with engine 457.944 | |||
3 | Screw in pressure-side shutoff valve (4) and intake-side shutoff valve (12) completely | This closes the system in the vehicle in order to prevent the ingress of moisture. | |
4 | Remove rear bumper |
| |
5 | Remove refrigerant compressor poly-V-belt (1) |
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Model 613.367 | |||
6 | Remove alternator V-belt (2) | ||
7 | Detach clamping device (3) of alternator | ||
8 | Disconnect magnetic clutch electrical connector (8) | ||
9 | Remove bolts (6) | Bolt of high and low pressure connection to refrigerant compressor | |
Torque wrench | |||
10 | Detach high-pressure connection (7) from refrigerant compressor (5) | ||
| Compressor oils (specification 362.0) | ||
Installation: Use new seals. Coat seals with compressor oil before installation. | |||
11 | Remove screws/bolts (11) | Bolt of high and low pressure connection to refrigerant compressor | |
Torque wrench | |||
12 | Detach low-pressure connection (10) from refrigerant compressor (5) | ||
| Compressor oils (specification 362.0) | ||
Installation: Use new seals. Coat seals with compressor oil before installation. | |||
13 | Detach refrigerant compressor (5) from carrier (9) | Counterhold nuts from below. | |
Bolt, refrigerant compressor to carrier | |||
Torque wrench | |||
14 | Remove refrigerant compressor (5) | Secure alternator using suitable means. | |
15 | Install in the reverse order | ||
16 | Evacuate air conditioning system |
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Model NMB613.358/388 with engine 457.944 | |||
17 | Fill air conditioning system |
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MODEL 613.358/388 with CODE HKF |
001 589 67 21 00
Torque wrench