hitachi — REMOVE AND INSTALL MAIN FRAME

UPPERSTRUCTURE / Main Frame REMOVE AND INSTALL MAIN FRAME Removal CAUTION: Release any pressure in the hydraulic oil tank before doing any work. (Refer to BLEED AIR FROM HYDRAULIC OIL TANK on W1-4-1.) W1J1-02-01-001 CAUTION: Cab weight: 560 kg (1235 lb) 1. Remove the cab from the main frame. (Refer to the Remove and Install Cab section on W2-1.) CAUTION: Counterweight weight: 9150 kg (20200 lb) 2. Hoist and remove the counterweight from the main frame. (Refer to the Remove and Install Counterweight section on W2-2.) W1J1-02-02-001 CAUTION: Standard front attachment assembly weight: 7920 kg (17470 lb) 3. Remove the front attachment assembly from the main frame.

(Refer to the Remove and Install Front Attachment section on W4-1.) W1JB-02-03-003 W2-3-1