Execution order
1. Check the condenser fins for clogging or damage. If the fins are clogged, clean them with a high-pressure water jet.
Warning: Be careful not to damage the plates.
2. Make sure the air conditioning compressor drive belt is installed correctly.
3. Check the tension of the air conditioning compressor drive belt. If the belt slips on the pulleys, the performance of the air conditioning system and the life of the belt will decrease.
To avoid this, the following belt maintenance procedure must be followed:
- any belt that has been in use for at least 30 minutes is considered a used belt;
- check belt tension at specified service intervals.
Check the belt tension by applying 98 N of force to a point equidistant from the pulleys and measure the belt deflection.
Air conditioning compressor drive belt deflection when checking tension:
- After belt work: 8 mm
- Used belt: 6-7 mm
- New belt: 5-5.5 mm
4. Start the engine.
5. Turn on the air conditioning system by pressing the A/C switch. Check the operation of the air conditioning system in all fan mode switch positions.
6. Check the operation of the electromagnetic clutch.
7. Check the engine crankshaft speed at idle. When the electromagnetic clutch is engaged, the engine crankshaft speed should increase.
8. Check the operation of the condenser fan.
9. If there is no cooling or it is insufficient, check the air conditioning system for leaks.