CONFIGURATION 4722519 - Caterpillar

2. Remove the bolts that hold bracket (3). Remove the bracket.3. Remove screws (1). Remove cover (2) and the gasket. 4. Turn housing (6) and remove retainer ring (4). Remove housing (6).5. Remove the spring and the plunger.6. Remove connector (5) from the housing. 7. Remove piston (7) from housing (6).8. Loosen screw (10). Remove cover (9) and filter (8).9. Remove the O-ring seal from the screw. Remove screw (10) from the cover.10. Remove the screen from the housing. 11. Remove the screws that hold cover (13) to the plate.12. Remove cover (13) and oil reservoir (12).13. Remove the bolts that hold the pump body to the plate. Remove pump body (11). 14. Remove washer (14), guide (15), spring (16), and ball (17) from the plate. 15. Remove plug (18), spring (19), and ball (20) from the rear side of the plate.16. Inspect all parts and install new parts as needed.Assemble Air Powered Hydraulic Pump
1. Replace all O-ring seals before assembly of the pump. 2. Put the ball and spring in position in plate (1). Install plug (2) that holds the spring and ball.3. Put the ball, spring, guide, and washer in position in the plate. 4. Put pump body (3) in position on the plate. 5. Install bolts (4) that hold the pump body to the plate. Tighten bolts (4) to a torque of 108 to 132 lb.in. (124.5 to 152.2 cm.kg). 6. Put the oil reservoir and cover (6) in position on the plate. Install screws (5) that hold the cover to the plate.7. Tighten screws (5) to a torque of 36 to 60 lb.in. (41.5 to 69.2 cm.kg). 8. Put piston (7) in position in the housing.9. Install the screen in housing (8). Put the filter in position on the housing.10. Put the screw in position in cover (9). Install the O-ring seal on the screw.11. Put cover (9) in position on the housing. Tighten the screws that hold the cover. Install connector (10) in the housing. 12. Put plunger (12) and spring (11) in position on the pump body. 13. Put housing (8) in position on the pump body. Put retainer ring (13) in position on the pump body.14. Turn the housing to install the retainer ring. Turn the housing until the hole in the pump body and the hole in the housing are in alignment. 15. Put 8H5137 Gasket Sealer on the inside surface of gasket (15).16. Put cover (16) in position on the housing. Make sure the holes in the gasket are in alignment with the holes in the housing. Make sure the slot in the gasket is in alignment with small hole (14) in housing.17. Install the screws that hold the cover to the housing. Tighten the screws to a torque of 12 to 24 lb.in. (13.8 to 27.7 cm.kg). 18. Put bracket (17) in position on the pump. Install the bolts that hold it.19. See OIL LEVEL: CHECK AND FILL in the TESTING AND ADJUSTING section of this manual for