OIL INLET VALVE SECTION (BACKHOE) B6800I7 – LGB680 BACKHOE LOADER PARTS CATALOG 1 CDB-F20-1.11 主安全阀 MAINRELIEF VALVE 1 2 CDB-F20D-1.01 进油阀体 VALVE 1 3 GB3452.1-82

OIL RETURN VALVE SECTION (BACKHOE) B6800I6 – LGB680 BACKHOE LOADER PARTS CATALOG 1 GB CDB-F20-5.00b 回油阀体 VALVE 1 2 GB3452.1-82 O 形密封圈 23.6×2.65 O-RING 23.6×2.65

REVERSING VALVE SECTION OF ‘A’ TYPE B6800I5 – LGB680 BACKHOE LOADER PARTS CATALOG 1 GB/T67-2000 螺钉 M6×10 SCREW M6×10 2 2 CDD-F20-2.11 垫板 PLATE 2

‘O’TYPE REVERSING VALVE SECTION (BACKHOE BUCKET BOOM SWING CROWD) B6800I4 – LGB680 BACKHOE LOADER PARTS CATALOG 1 GB/T85-1988 螺钉 M6×10 SCREW M6×10 2 2 CDB-F20-2.11

BACKHOE VALVE ASSEMBLY B6800I3 – LGB680 BACKHOE LOADER PARTS CATALOG 1 CDB-F20D-1.01 进回油阀体 OIL INLET UALVE 2 CDB-F20-2.00 A 型换向阀片 REVEPSING VALVE SECTION OF “A