... of working condition 1 idles.2.transmitted to the air compressor to provide air source for the pneumatic equipments;when the pressure ... reaches 1.5Mpa,the solenoid valve operates,and the air compressor sends air outwards.5.Main configuration of the rescue emergency service ... of half ,Kang Rui 2 double,Aumark light card,HOWO,Chengdu ace,JAC light truck,Yuejin,Tangjunouling,Jiangling Isuzu light ...