FRAME AS-RH 4750178 - Caterpillar

Photos were taken with power pack out of the machine. 1. Remove bolts (1) and the washers. Do Not disconnect any lines.2. Remove cover (2), electrical wiring harnesses (3) (4) and (5). 3. Remove gasket (6).4. Remove bolts (7) and the washers.5. Remove pressure control valve (8). 6. Remove bolts (9), the washers and cover (10). Hold cover (10) with your hand to contain the spring pressure while removing bolts (9).7. Remove bolts (12) and the washers, while holding plate (11) to contain the spring pressure. 8. Remove piston (13) and modulating relief valve (14). 9. Remove springs (15), (16) and spacers (17).10. Remove slug (22), retainer ring (21) using Tool