UPPERSTRUCTURE / Main Frame REMOVE AND INSTALL MAIN FRAME IMPORTANT: Release any pressure in the hydraulic oil tank before doing any work. (Refer to BLEED AIR FROM HYDRAULIC OIL TANK on W1-4-1.) Removal CAUTION: Front attachment assembly (1) weight: ZAXIS330-3, 330LC-3: 6040 kg (13320 lb) ZAXIS350H-3, 350LCH-3: 6660 kg (14690 lb) ZAXIS350K-3, 350LCK-3: 6550 kg (14440 lb) ZAXIS350LC-3, 350LCN-3: 6270 kg (13830 lb) 1. Remove front attachment assembly (1). (Refer to the Remove and Install Front Attachment section.) 1 : 17 mm, 19 mm, 30 mm, 32 mm, 41 mm, 50 mm CAUTION: Counterweight (2) weight: ZAXIS330-3, 330LC-3: 6800 kg (15000 lb) ZAXIS350H-3, 350LCH-3, 350LC-3, 350LCN-3:
7400 kg (16320 lb) ZAXIS350K-3, 350LCK-3: 8200 kg (18080 lb) 2. Remove counterweight (2). (Refer to the Remove and Install Counterweight section.) ZAXIS330-3, 330LC-3: W105-02-03-002 : 50 mm ZAXIS350H-3, 350LCH-3, 350LC-3, 350LCN-3, 350K-3, 350LCK-3: : 55 mm 2 W1V7-02-02-001 W2-3-1