16. TROUBLESHOOTING METHOD OF RELEASING PARKING BRAKE WARNING If there is a failure in the air circuit, the brakes will not work. It is dangerous to drive the machine in this condition, so always tow the machine at low speed. When towing, run the engine so that it is possible to steer the machine. When releasing the parking brake, carry out the operation on flat ground and check that the surrounding area is safe. If the parking brake must be released on a slope because of an emergency or some other unavoidable reason, put blocks under the wheels before releasing the brake.
After emergency actuation of the parking brake, the parking brake is not released even when the parking brake lever is placed at the TRAVEL position, so release the parking brake as follows. 1. Remove air charge socket 1 installed to the front air tank. 2. Remove the air hose from parking brake chamber 2 , then install removed socket 1 to chamber 2 . 3. Install one end of air charge hose 3 (supplied with the machine) to air charge socket 1 . (The hose and socket can be installed at a touch.) 4. Push the other end of air charge hose 3 into valve 4 of the tire. Air is supplied to the parking brake chamber, and the parking brake is released. Parking brake 5.
When the parking brake is released, tow the machine quickly to a safe place. For details of towing, see “16.2 TOWING MACHINE”. Tire AE133880 2-106