HYDRAULICS 1.97 MANIFOLD (57) Removal NOTE: A manifold is fitted forward of the rear service plate. Remove the rear cover from the boom and the rear service plate, if necessary to get access to the valve. 1. Stop the engine and chock the machine, apply the parking brake . 2. Refer to page 1.1 and dump hydraulic pressure then disconnect the battery. 3. Make sure manifold is free from dirt to avoid contamination of the hydraulic system. 4. Identify and label the hydraulic hoses. 5. Position a suitable container under the manifold to collect any oil spillage during removal. 6. Disconnect the hoses (4), (5), (7), (8) and (9) from the manifold (1) and blank open connections on manifold and hoses.
Tie hoses clear of manifold. 7. Remove the two hexagon headed bolts (11), four washers (2), (10) and two nuts (3) securing the manifold (1) to the rear service plate. Remove the valve from the machine. 1. Manifold (57) 2. Washer 3. Nut 4. Return hose (to diverter valve) 5. Tap hose 6. Tipping QR connector (if fitted) 7. Hitch pressure hose 8. Pressure hose (from diverter valve) 9. Hitch return hose 10. Washer 11. Hexagon headed bolt 8. Remove the trailer tipping QR connector (6) (if fitted). Installation 1. Installation is the reverse of the above procedure. 2. Refer to Page 1.66 and check the hydraulic level and replenish the hydraulic tank before the engine is started. 3.
Purge the hydraulic system by starting the engine and operating all services to fully extend and retract cylinders several times. 4. Refer to Page 1.66, check the hydraulic level and replenish if necessary.