AR83.30-W-1100A | Remove/install cold reservoir of stationary air conditioner | 3.9.08 |
MODEL 930, 932, 933, 934 with CODE (H01) Stationary air conditioner, temperature-controlled
MODEL 930, 932, 933, 934 with CODE (H09) Stationary air conditioner
W83.30-1089-12
1 High pressure pipe
2 Retaining plate
3 Sealing
4 Low pressure pipe
5 Cover
W83.30-1090-06
6 Bolts
7 Cold reservoir
8 Cold reservoir electrical connector
9 Condensate line
A61 Stationary air conditioner control unit
Modification notes
30.6.08 | "Tightening torque for retaining plate nut with seal at cab rear panel" added. | Step 5 | |
"Additional oil filling quantity after replacing stationary air conditioner cold reservoir" added | Step 11 |
| 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 discharged. | |
| Notes on handling R134a refrigerant | Air conditioning with refrigerant R134a | |
| Protect air conditioning circuit and components from moisture when carrying out repair work | ||
1 | Open maintenance flap | ||
2 | Discharge air conditioning system | ||
3 | Detach cover (5) on cab rear panel | ||
4 | Detach high-pressure line (1) and low-pressure line (4) | Counterhold connection fittings when loosening union nuts. | |
Installation: Use new sealing rings. | |||
| |||
5 | Remove retaining plate (2) of seal (3) | | |
6 | Remove seal (3) at connection fittings of cold reservoir (7) | Then seal the connections of the high-pressure line (1), the low-pressure line (4) and the connection fitting of the cold reservoir (7) with suitable stop plugs. | |
7 | Remove upper bunk | If present. | |
8 | Remove upper rear wall paneling in cab | ||
9 | Disconnect cold reservoir electrical connector (8) from stationary air conditioner control unit (A61) | ||
10 | Remove condensation line (9) from cold reservoir (7) at left and right. | ||
11 | Remove bolts (6) and remove cold reservoir (7) from cab | Do not lower cold reservoir (7) while there are still connection fittings in the cab. | |
Installation: Supplement oil filling quantity of refrigerant circuit when replacing the cold reservoir (7): | |||
Additional oil filling quantity after replacing stationary air conditioner cold reservoir (7) | |||
12 | Install in the reverse order |
Air conditioning
Number | Designation | Model 930, 932, 933, 934 with body 943.890 with code H01, H09 | ||
BA83.30-N-1003-04A | Union nut, refrigerant line to cold reservoir connection fitting | WAF 17 | Nm | 17 |
sz. 22 | Nm | 30 | ||
BA83.30-N-1004-04A | Nut, retaining plate with seal to cab rear wall | Nm | 2.5 | |
Refrigerant compressor
Referenced documents
- ah8330n000301a Notes on handling refrigerant R134a
- ah8330n000501a Protect air conditioning circuit and components from moisture when carrying out repair work
- ar8330w1760a Drain, evacuate and recharge air conditioning, check for proper operation and check for leaks
- as8300z000101a 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.