Disconnect And Connect Push-Pull Type Coupler - Komatsu D155AXi -8 Shop Manual

DISCONNECT AND CONNECT PUSH-PULL TYPE COUPLER

DISCONNECT AND CONNECT PUSH-PULL TYPE COUPLER
REMARK
• Loosen the oil filler cap of the hydraulic tank slowly to release the remaining pressure in the hydraulic tank.
• Provide an oil container to receive oil since some hydraulic oil flows out when the hose is disconnected even
after the remaining pressure is released from the hydraulic tank.
METHOD FOR DISCONNECTING AND CONNECTING TYPE 1 PUSH-PULL TYPE
COUPLER
Disconnection
1.
Hold adapter (1), and push hose joint (2) into mating
adapter (3).
REMARK
• Push it in approximately 3.5 mm.
• Do not hold rubber cap portion (4).
2.
While having adapter (3) inserted into hose side joint (2),
insert rubber cap (4) to adapter (3) side until it clicks.
3.
Hold hose adapter (1) or hose (5), and pull it out.
REMARK
Provide an oil container to receive a quantity of hydraulic
oil which may flow out.
Connection
1.
Hold hose adapter (1) or hose (5), and insert it in mating
adapter (3), aligning the axis.
REMARK
Do not hold rubber cap portion (4).
00-52
00 INDEX AND FOREWORD
D155AXI-8