2.11 HOPPER LIFT SYSTEM

TM 5-3895-373-34 2.11 HOPPER LIFT SYSTEM. Table 2-6 lists common malfunctions associated with the hopper lift system that may be found during operation or maintenance of the paving machine. Perform the tests/ inspections and corrective actions for a particular malfunction in order given. This table cannot list all possible malfunctions that may occur nor all tests, inspections, or corrective actions. If a malfunction is not listed, or is not corrected by listed corrective actions, notify your supervisor. Table 2-6. Hopper Lift System Troubleshooting. MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION WARNING Do not disconnect any hydraulic lines, cylinders, or valves without securely blocking both hopper wings. The hopper wing may fall if not properly secured in position when the hydraulic system is opened. Severe personal injury or death may result from a falling hopper wing. NOTE The following tests require use of a hydraulic system tester. Install tester in-line at flow test point indicated by each individual test per TM 9-4940-468-14. Make sure ratings of all fittings and hoses used are adequate for maximum pressures and flows being tested. NOTE System operating pressure must be at 2475 ±25 psi (17 066 ±172 kPa) before performing this test. If pressure is not correct, refer to paragraph 2.51, and reset system operating pressure. 2-40