噴槍常見故障的排除

                                                噴槍常見故障的排除(日本勁力噴槍)
**類:W—71型噴槍常見故障的排除

故障名稱                                                             成  因    及  對  策


噴嘴前端漏漆                                             
  (1)噴嘴與針閥的接觸斜面有污物。應清洗噴嘴與針閥。
                                                                        (2)噴嘴與針閥的接觸區有損傷。應更換噴嘴或針閥。
                                                                      (3)針閥墊圈過緊,閥芯動作受阻。應適當調節墊圈松緊度。
                                                                      (4)針閥彈簧損壞。應更換彈簧



未扣扳機噴嘴前端漏氣                                    (1)空氣閥墊圈過緊,動作受阻。應適當調節閥墊的松緊度。
                                                                        (2)空氣閥密封部位有異物。應卸開空氣閥,去除異物。
                                                                        (3)空氣閥密封部位有損傷。應更換零件。
                                                                        (4)空氣閥彈簧損壞。應更換彈簧
     


扣扳機后出氣不暢                                             
(1)氣路中有異物附著。應檢查氣路,并排除附著物。
                                                                          (2)空氣調節閥未打開。應打開空氣調節閥
   

針閥墊圈處漏漆                                                 
 (1)針閥墊圈太松。應擰緊墊圈。
                                                                            (2)針閥墊圈磨損。應更換墊圈
     

**大類                                                        PQ—1吸上式噴槍常見故障的排除       


      故障名稱                                                          成  因  及  對  策

漏氣                                                                 
 (1)彈簧太松,氣體從閥桿處泄漏。應將彈簧拉長或更換彈簧。
                                                                         (2)滾珠或頂針銹蝕,或有異物。應更換零件及清潔氣路。
                                                                          (3)密封墊圈老化。應更換密封圈


 噴不出涂料                                                              (1)涂料粘度過高。應適當降低涂料粘度。
                                                                                (2)氣壓不足。應將氣壓調至0.3—0.5帆。
                                                                               (3)噴料嘴與噴氣嘴位置不對,形不成所要求的壓差。應將

                                                                                  噴氣   嘴和噴料嘴調整到一個垂 直面上,再將噴氣嘴的
                                                                                 孑L心調至略高于噴料嘴面,并調節噴氣嘴與噴料嘴的相
                                                                                 對距離。
                                                                               (4)如果是噴涂中突然噴不出涂料,主要是由于涂料中的臟
                                                                                  物將噴料嘴堵塞。應將噴料嘴
                                                                                擰下,用噴氣嘴逆對著噴料嘴吹去臟物,亦可用手指按

                                                                                  住噴料嘴和噴嘴的外緣,用壓縮空氣吹
                                                                                  去臟物,但需防止涂料從空氣孔中被壓出

 噴霧時斷時續                                                              (1)氣孑L被堵塞。應戳通氣孔。
                                                                                  (2)涂料不足。應添加涂料。
                                                                                   (3)噴料嘴與噴氣位置不當。應適當調整

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