UPPERSTRUCTURE / Pump Device Disassemble Regulator 1. Secure casing (27) in a vise. 2. Remove air bleed plug (11) and O-ring (12) from casing (27). Remove the elbows (4 used) from casing (27). 9. Remove spring (23) from the front cover (20) side in casing (27). 10. Push spool (25). Remove cylinder (29) and piston (28) from the rear cover (30) side in casing (27). 11. Remove piston (28) and O-ring (4) from cylinder (29). 12. Remove sleeve (26) and spool (25) from the front cover (20) side in casing (27). Remove spool (25) from sleeve (26) . : 19 mm, 41 mm 3. Remove socket bolts (1) (8 used) and spring washers (2) (8 used). Remove front cover (20) and rear cover (30) from casing (27).
Remove piston (33) from front cover (20). : 6 mm IMPORTANT: If loosening stoppers (3) (2 used), (6), nuts (21) (2 used), (32) and screw (31), the regulator setting will change. Do not loosen (3) (2 used), (6), nuts (21) (2 used), (32) and screw (31). 4. Remove springs (7, 8) from the rear cover (30) side in casing (27). 5. Push spool (13). Remove cylinder (18) from the front cover (20) side in casing (5). 6. Remove piston (15), O-ring (16) and backup ring (17) from cylinder (18). 7. Remove sleeve (14) and spool (13) from the front cover (20) side in casing (27). 8. Remove spool (13) from sleeve (14). W2-4-45