hitachi — REMOVE AND INSTALL CYLINDER

FRONT ATTACHMENT / Cylinder Remove Arm Cylinder 1. Insert wooden block (3) between arm cylinder (1) and boom (2). 2. Remove bolt (4) and plate (5) from the rod side in arm cylinder (1) A 1 2 : 27 mm CAUTION: Metal fragments may fly off when a hammer is used. Wear necessary protection, such as goggles, hard hats, etc in order to prevent personal injury. 3. Remove pin (6). Remove thrust plate (7). 4. Operate the arm lever and retract arm cylinder (1). In order not to extend rod (8), pass wire (9) through the cylinder rod hole and secure rod (8) to the arm cylinder (1) tube. 5. Stop the engine. Push the air bleed valve and release any remaining pressure in the hydraulic oil tank.

Remove the cap. Release arm circuit pressure. Refer to the Hydraulic Circuit Pressure Release Procedure section on W4-2-1. 3 Section A W1V7-04-02-009 1 6 5 4 7 W1V1-04-02-018 W1V7-04-02-010 W4-2-6 8 1 9