UPPERSTRUCTURE / Pump Device Assemble Regulator 1. Secure casing (27) in a vise. 2. Install spool (13) to sleeve (14). 3. Install the sleeve (14) assembly from the front cover (20) side in casing (27). 4. Install spool (25) to sleeve (26). Insert the sleeve (26) assembly from the rear cover (30) side in casing (27). 5. Install piston (28) to cylinder (29). 6. Install O-ring (4) to cylinder (29). Apply grease to O-ring (4). Insert the cylinder (29) assembly from the rear cover (30) side in casing (27). 7. Install the rear cover (30) assembly and springs (7, 8) to casing (27). Install the rear cover (30) assembly to casing (27) with socket bolts (1) (4 used) and spring washers (2) (4 used).
10. Insert piston (33) into front cover (20). Install the front cover (20) assembly and spring (23) to casing (27). Install the front cover (20) assembly to casing (27) with socket bolts (1) (4 used) and spring washers (2) (4 used). : 19.6 N m (2 kgf m, 14 lbf ft) 11. Apply grease to O-ring (12). Install O-ring (2) to plug (11). 12. Install plug (11) to casing (27). : 6 mm : 78.5 N m (8 kgf m, 58 lbf ft) 13. Install the elbows (4 used) to casing (27). : 41 mm : 6 mm : 19.6 N m (2 kgf m, 14 lbf ft) 8. Install O-ring (16), backup ring (17) and piston (15) to cylinder (18). 9. Apply grease to O-ring (16). Install the cylinder (18) assembly from the front cover (20) side in casing (5). W2-4-47