UNDERCARRIAGE / Upper And Lower Roller REMOVE AND INSTALL LOWER ROLLER Removal 1. Remove the track guard. Remove bolts (2) (4 used) from lower roller (1). : 32 mm 2. Jack up the track frame high enough (90 ° to 110 ° between boom and arm is obtained when the bucket is lowered with the round bottom contacting with ground). At this time, insert the wooden blocks under track frame (3) and support the machine. W105-03-06-008 CAUTION: Grease pressure in the adjuster cylinder is high. Do not loosen valve (4) quickly or too much as valve (4) may fly off or high-pressure grease in the cylinder may gush out. Keep body parts and face away from valve (4) and loosen valve (4) carefully.
Do not loosen grease fitting (5). IMPORTANT: It is enough to loosen valve (4) by 1 to 1.5 turns. Do not loosen the valve (4) over that degree. 3. Loosen valve (4) on the track adjuster. Drain grease. Get enough clearance in the track in order to remove lower roller (1). 90 ° to 110 ° M104-07-067 3 : 24 mm W105-03-06-001 4 5 Grease Outlet W1V7-03-04-006 W3-6-4 1 2