hitachi — REMOVE AND INSTALL CYLINDER

FRONT ATTACHMENT / Cylinder Remove Positioning Cylinder CAUTION: Positioning cylinder (3) weight: 360 kg (795 lb) 1. Attach a nylon sling to positioning cylinder (3) and hold positioning cylinder (3). 2. Remove bolt (4) and plate (5) from pin (6). 3 2 A : 27 mm 1 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) from second boom (2). Remove thrust plate (7). 4. In order not to extend the rod in positioning cylinder (3), pass the wire through the cylinder rod hole and secure the rod to the positioning cylinder (3) tube. 5. Stop the engine.

Push the air bleed valve and release any remaining pressure in the hydraulic oil tank. Release the circuit pressure. Refer to the Hydraulic Circuit Pressure Release Procedure section on W4-2-1. W1V1-04-02-017 Section A 3 6 5 4 7 W1V1-04-02-018 W4-2-14