hitachi — REMOVE AND INSTALL CYLINDER

FRONT ATTACHMENT / Cylinder CAUTION: Arm cylinder (1) weight: Mono boom: 470 kg (1040 lb) 2-piece boom: 480 kg (1060 lb) IMPORTANT: Fill hydraulic oil to specified level. Start the engine and check for any oil leaks. 5. Remove wire (9) from rod (8) of arm cylinder (1). Hoist arm cylinder (1) and start the engine. Operate the arm lever and align the hole at cylinder rod side with the pin (6) mounting hole on arm. 8 1 9 W1V7-04-02-010 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. 6. Install thrust plate (7) and pin (6). 7. Install plate (5) to pin (6) with bolt (4). A 1 :

400 N m (41 kgf m, 295 lbf ft) IMPORTANT: When completing the work, operate the arm cylinder several times to the stroke end and release the pressure in the circuit. : 27 mm Section A W1V7-04-02-009 1 6 5 4 7 W1V1-04-02-018 W4-2-9