UNDERCARRIAGE / Upper and Lower Roller REMOVE AND INSTALL UPPER ROLLER Removal CAUTION: Grease pressure in the adjuster cylinder is high. Do not loosen valve (1) quickly or too much as valve (1) may fly off or high-pressure grease in the adjuster cyl- inder may gush out. Keep body parts and face away from valve (1) and loosen valve (1) carefully. Do not loosen grease fitting (2). IMPORTANT: Remove any mud or gravel between sprockets and tracks before loos- ening valve (1). It is enough to loosen valve (1) by 1 to 1.5 turns. 1. Loosen valve (1) on the track adjuster. Drain grease and release the tension of track link. W105-03-06-001 2 : 24 mm Grease Outlet W800-03-07-002 2.
Insert the wooden block and an oil jack between track frame (5) and track (4). Jack up track (4) in order to get enough clearance between upper roller (3) and track (4). 4 Oil Jack 3. Insert the wooden blocks under upper roller (3). Wooden Block W116-03-06-001 5 3 3 Wooden Block W116-03-06-002 W3-6-1 1