PRECLEANER GP 2379251 - Caterpillar

Do not remove any oil lines until pressure in the hydraulic systm of the seat is removed.
1. Remove oil line (1).2. Remove screw that holds slide bearing (2) to spring arm. Remove slide bearing. 3. Remove two nuts (3) and bearings (6) that fasten valve to seat frame. Remove valve and spring arm.4. Remove valve actuators (4) from spring arm (5). Remove spring arm from valve. 5. Put spring arm in position on valve. Install valve actuators (4). Install bearings (6).6. Install nuts (3) that hold valve to seat frame.7. Position slide bearing (2) on spring arm, and fasten to height adjustment lever. 8. Install oil line (1).9. See ADJUSTMENT OF HEIGHT CONTROL LINKAGE in the TESTING AND ADJUSTING section of this manual for correct procedure on making adjustments.Disassemble And Assemble Height Control Valve
Start by:a) remove height control valve1. Clean all outside surfaces and drain oil from the valve. 2. Push guide (4) against spring (3) approximately 0.625 in. (1.59 mm). Use a small screw driver and remove retainer (5).
Use care when guides are removed. Spring force behind the guides can cause guides to leave the body with force.
3. Remove guide (4), spring (3), guide (2) and poppet (1).4. Remove slipper and O-ring (6), seal (7) and O-ring (8).5. Before assembly clean the valve.6. Install O-ring and slipper (6) on poppet. Install new seals and O-ring. Tool (9) can be used to compress slipper on poppet.7. Assemble parts in the reverse order that they were disassembled.end by:a) install height control valve