FRONT ATTACHMENT / Front Attachment REMOVE AND INSTALL FRONT ATTACHMENT (MONO BOOM) 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.) Preparation 1. Park the machine on a solid, level surface. Fully retract the bucket and arm cylinders and lower the bucket onto the ground. Removal 1. Remove of lubrication pipe (1) on the boss at the boom cylinder (3) rod side from adapter (2). (2 places on both left and right) W105-04-02-001 1 2 : 19 mm CAUTION: Boom cylinder (3) weight: 290 kg (639 lb) 2. Hoist and hold boom cylinder (3).
Remove nuts (4) (2 used), bolt (6) and stopper (5) from boom cylinder rod front pin (7). (2 places on both left and right) 3 W105-04-01-002 7 : 30 mm 6 3 5 4 W178-04-01-004 W4-1-2