OPTIONAL ATTACHMENTS Disconnecting/Connecting Hydraulic Hose When activating an attachment with a hydraulic cylinder other than the lift arm cylinder or bucket cylinder using the machine hydraulic pressure oil, hydraulic hoses must be connected or disconnected. At this time, connect or disconnect the hydraulic hoses following the procedures below. Procedures CAUTION: Before starting to work, apply the parking d brake and stop the engine. Operate the attachment
Plug (Male)
When connecting hoses, insert the plug while pulling the sleeve. When the sleeve is returned, the hose connectors are automatically locked and connected.
control lever several strokes to release any hydraulic oil pressure remaining in the circuits. IMPORTANT:
Sleeve (Female)
M4GB-13-007
Thoroughly remove dirt or stains from the hydraulic hose connectors.
• Connect the attachment hydraulic hoses to the machine
hydraulic pipe lines. • After connecting the hydraulic hoses, start the engine.
While operating the attachment control lever, slowly move the attachment. Check that no oil leaks from the hydraulic hose connectors. • When the attachment is removed, joint the attachment hose female end to the male end. Put dust caps to the machine hydraulic pipe line female and male ends to prevent the pipe line ends from becoming contaminated.
When disconnecting the hoses, pull the sleeve. The connectors are instantaneously separated.
M4GB-13-008
Dust cap
Sleeve (Female)
When installing the dust cap to or removing the dust cap from the female type hose end, pull on the sleeve. M4GB-13-009
When installing the dust cap to the male type hose end, just connect it to the hose end.
M4GB-13-010
13-6
