UNDERCARRIAGE / Upper And Lower Roller CAUTION: Lower roller (1) weight: 57 kg (127 lb) 4. Remove lower roller (1) by using a fork lift. Installation 1 W105-03-06-010 CAUTION: Lower roller (1) weight: 57 kg (126 lb) 1. Set lower roller (1) below track frame (3) by using a fork lift. 2. Lower the machine so that track frame (3) may keep a little away from collar (6). 3. Align lower roller (1) with the bolt hole. Install lower roller (1) to track frame (3) with bolts (2) (4 used). W105-03-06-011 3 : 32 mm : 840 N m (86 kgf m, 620 lbf ft) W105-03-06-012 6 W105-03-06-008 W3-6-5 3 1 2