Page 426 - Workshop Manual - Tunland (2017)
P. 426

04-288                     DIAGNOSTICS - AIR CONDITIONING SYSTEM

           BASIC INSPECTION


                    Steps                       Inspection contents                       Measures
                                    Check for                         Yes           No> go to step 2
                                    refrigerant.

      04                            • Screw off the
                                      protective cap of
                                      maintenance valve
                       1              of air condition
                                      refrigeration                  No?            Add refrigerant.
                                      system, and push
                                      the valve core.
                                    Check whether the
                                    result is normal?
                                    Check the air                     Yes           No> go to step 3
                                    condition switch.
                                    • Turn on the air
                                      conditioner
                                    • Check in a visual
                       2              manner whether the                            to Defect
                                      air conditioner                No?            Phenomenon Form
                                      operating indicator
                                      lamp goes on.

                                    Check whether the
                                    result is normal?

                                    Check the magnetic                Yes           No> go to step 4
                                    clutch.
                                    • Check the magnetic
                       3              clutch for normal                             to Defect
                                      engagement.                    No?            Phenomenon Form
                                    Check whether the
                                    result is normal?
                                    Check the drive belt.             Yes           No> go to step 5
                                    •  Check the drive belt
                       4              for slippage.                                 to Defect
                                                                     No?
                                    Check whether the                               Phenomenon Form
                                    result is normal?

                                    Check the                         Yes           No> go to step 6
                                    compressor.
                                    • Check whether any
                       5              abnormal sound                                to Defect
                                                                     No?
                                      may be heard                                  Phenomenon Form
                                      during operation of
                                      the compressor.
   421   422   423   424   425   426   427   428   429   430   431