DRIVING & CHASSIS - WORKING SYSTEM HS120V 3. WORKING SYSTEM 3.1 WORKING SYSTEM HOLDER (QUICK COUPLER) G5:9HM:=FGH 8F=J=B;7 756=B 9B;=B9 9@97HF=7GMGH9A =B89L 5 7 6 1 2 3 8 18 4 9 (1) Bucket cylinder (2) Hand lever (3) Working system holder (4) Lock pin LF1W323A 11 13 10 17 16 The attachment holder is designed to attach and detach an attachment to/from the body easily. This is connected to the bucket cylinder with the pin, cap screw, and lock nut, and the hand lever and lock pin are used to lock an attachment onto the attachment holder. 15 12 14 LF1W325A REMOVAL (5) Hex.
bolt (6) Plain washer (7) Spring (8) Control unit (9) Spring pin (10) Pin (11) Bolt (12) Washer (13) Spacer (14) Pin (15) Bolt (16) Pin (17) Nut (18) Hand lever 1 2 1. Remove the attachment from the attachment holder. 2. Raise the boom and place a chock block behind the attachment holder. 3 4 LF1W324A 3. Lower the boom so that the bottom of the attachment holder is supported by the block. (1) Boom (2) Bucket cylinder (3) Workin system holder (4) Block 4. Move the bucket cylinder to place the front of the attachment holder on the ground. 5. Stop the engine. 6. Operate the control lever to release pressure in the system. 7.
Undo the bolt (15), lock nut and pin to separate the bucket cylinder from the attachment holder. 8. Undo the bolt (11), washer, spacer and pin to separate the boom cylinder from the attachment holder. 3 -14 GMW-0035