. MAINTENANCE SERVICE PROCEDURE REPLACE BUCKET TEETH (If equipped) ONE-PIECE TOOTH bolts and nuts (1) and (2) 629.3 lbft) 4 - 34 When th e buck et teeth are wor n, replace them as 1. Rais e the b ucket to a suitab le height, then put blocks (A) u nder the b ucket to prevent the b ucket from coming down. Rais e the buc horizontal. 2. Remove th tooth (3). 3. Clea n the i nstallation surfac e of bucket tooth 4. Insta ll new teeth to the buc Whe n doin g this, insert shi clearance between th e teeth and the t op surface of the bucket Continue to add shims until it becomes impossible to add a 0.5 mm ( 0.02 i If the befor e installing the teeth. 5.
To p revent any gap from fo temporarily , then hit the tip of the teeth with a hammer. Tightening torque of mount ing bolt (1): 637 ± 853 Nm (6 5 ± 87 kgm, 470.1 ± 6 (2): 618 N m (63 kgm , 455.7 6. After operating the machine for a few hours, t ighten the mounting ounting su rface