AR83.30-L-5620A | Removing and installing pressure switch on fluid reservoir | 3.3.00 |
MODEL 667, 668, 670 with CODE (H03) Air conditioning in front section
L83.30-0019-01
1 Clutch
L83.30-0012-12
2 Pressure switch
3 Seal
4 High pressure line connecting piece
| Removing, installing | ||
Danger! | Risk of explosion from welding or braizing work on closed air conditioning system. Risk of poisoning from inhaling overheated refrigerant vapors. Risk of injury from skin and eye contact with liquid refrigerant. | Do not carry out any welding work on the closed air conditioning system or in the surrounding area. No smoking or naked flames. Wear eye protection and protective gloves. Work only in well ventilated areas. Do not carry out repair work on the circuit of the air conditioning system unless the system is drained. | |
Danger! | Risk of accident from vehicle starting off by itself when engine running. Risk of injury from bruises and burns if you place your hand into the engine when it is started or when it is running. | Secure vehicle to prevent it moving off by itself. | |
| Protect air conditioning circuit and components from moisture when carrying out repair work | All models fitted with air conditioning | |
| Notes for handling refrigerant R134a | All models with R134a refrigerant | |
1 | Drain air conditioning system | ||
2 | Remove connector (1) | Installation: Route pressure switch connecting cable (2) so that no chafing occurs. | |
3 | Remove pressure switch (2) | Installation: Replace seal (3). | |
Pressure switch to high-pressure line connecting piece | |||
4 | Install in the reverse order | ||
| Inspecting | ||
5 | Evacuate air conditioning system, leak test | ||
6.1 | Fill air conditioning system, replenish (gaseous) | ||
6.2 | Fill air conditioning system (liquid) | ||
7 | Check air conditioning for proper function | Run engine at idling speed for about 5 minutes and check all the component functions which are of relevance for proper operation of the air conditioning system. | |
8 | Carry out brief check of air conditioning system |
Air conditioning system
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