Removal and Installation of Arm HBCV

Caution ・ Stop the machine in the temporary decommissioning posture on a level location with good footing. ・ Be sure to stop the engine before beginning work. ・ When working together with others, always be sure to exchange signals and pay adequate attention to safety. ・ Be sure to release hydraulic pressure before beginning work.

Items to prepare •Wrenches (22 mm, 36 mm) •Hexagon wrench (12 mm) •Marking pen •Cap •Plug •Rag •Cleaning fluid 1.Removal of arm HBCV [1] Use a wrench (22 mm) to remove the hoses (1) and (3), and use a wrench (36 mm) to remove the hose (2). •Mark the HBCV and hoses so that the connectors match at the time of assembly. •Use caps or plugs to cover the hoses and HBCV to prevent any entry of water, dust or dirt. • Clean the hoses and HBCV by spraying them with a parts cleaner to prevent scratches and prevent dirt from accumulating on the connectors. [2] Use a hexagon wrench (12 mm) to remove the 4 bolts, and then remove the line (4). •Use caps or plugs to cover the HBCV and line to prevent any entry of water, dust or dirt. •Clean the HBCV and line by spraying them with a parts cleaner to prevent scratches and prevent dirt from accumulating on the connectors. [3] Use a hexagon wrench (12 mm) to remove the 4 bolts (7), and then remove the arm HBCV (6).

2.Installation of arm HBCV

To install, perform the reverse of the removal procedure.