UPPERSTRUCTURE / Pump Device Disassemble Fan Pump IMPORTANT: Do not remove oil seal (4) unless replacing oil seal (4). 8. Remove spherical bushing (35) and springs (36) (9 used) from cylinder block (37). CAUTION: Fan pump weight: 51 kg (110 lb) IMPORTANT: Do not remove adjusting screws (10, 43) and nuts (9, 44). If removing adjusting screws (10, 43) and nuts (9, 44), the characteristics are changed. 1. Remove plug (24) from housing (15). Drain hydraulic oil from the pump. : 13 mm 2. Remove the socket bolts (4 used). Remove the regulator from housing (15). : 6 mm 3. Remove socket bolts (47) (2 used). Remove cover (46) from cover (42). : 10 mm IMPORTANT:
Do not remove needle bearing (39) unless replacing needle bearing (39). 4. Remove socket bolts (28) (4 used). Remove cover (42) and valve plate (38) from housing (15). : 17 mm 5. Remove the cylinder block (37) assembly attached with plungers (33) (9 used), shoes (32) (9 used), spherical bushing (35) and retainer plate (34). 6. Remove the retainer plate (34) assembly attached with plunger (33) (9 used) and shoes (32) (9 used). 7. Remove plungers (33) (9 used) and shoes (32) (9 used) from the retainer plate (34) assembly. W2-4-49