Zonxin Semi-trailer Air Suspension User Manual

Contents

I. Structure and Selection of Air Suspension

1.1 Basic Structure of Air Suspension

1.2 Selection of Air Suspension

II. Installation and Commissioning of Air Suspension

2.1 Positioning and Welding of Welded Parts

2.2 Assembly of Guide Leaf Spring and Axle

2.3 Assembly of Air Suspension

2.4 Structure of Central Lifting Device

2.5 Wheelbase Adjustment of Air Suspension

2.6 Air Suspension Control Air Circuit and Installation & Commissioning

2.7 Control Air Circuit of Air Suspension: Installation and Commissioning

2.8 Installation and Instructions of Steel Leaf Spring Suspension Lifting Device

2.9 Tightening Torque Table of Fasteners (Appendix I)

III. Operation, Maintenance and Service of Air Suspension

3.1 Maintenance of Air Suspension System

3.2 Common Fault Analysis and Troubleshooting of Air Suspension

IV. Maintenance Instructions

4.1 Vehicle Condition during Maintenance

4.2 Replacement of Shock Absorber and Rubber Bushing

4.3 Replacement of Load Air Spring

4.4 Adjustment, Inspection and Replacement of Height Control Valve

4.5 Replacement of Overflow Valve

4.6 Replacement of Guide Leaf Spring and Rubber Bushing