HOSE AS 1425988 - Caterpillar

Located in front of the refrigerant condenser1. Relieve air pressure from the air tank by pushing down on knob (1), located on top of the control valve assembly.2. Remove air horn solenoid valve wiring harness (2) from the clip. Disconnect air horn solenoid valve wiring harness (2) at the electrical connection. 3. Disconnect hose assembly (4) from air horn solenoid valve (3). Remove air horn solenoid valve (3) from the air tank. The following steps are for the installation of the solenoid valve (air horn). Check all components for wear or damage and replace if necessary. Apply 1U-6396 O-ring Compound to all O-ring seals prior to installation, if applicable.4. Install air horn solenoid valve (3) to the air tank. Connect hose assembly (4) to the air horn solenoid valve (3).5. Connect air horn solenoid valve wiring harness (2) at the electrical connection. Install air horn solenoid valve wiring harness (2) to the clip.