R420S( ), R520S( ), WSM
2. Machine Body & Front Attachment
4. Disconnect the hoses. A Disconnect the hydraulic hoses for the operating machine and steering equipment.
5. While supporting the rear frame at two places with jacks, raise the front frame with a garage jack or lift the shovel frame with a crane. A Make sure that the jack is stable.
9.44##$2 #
6. Remove the end plate.
A Take care not to lose the collar and dust seal. Installing the end plate 196 ~ 225 N-m (20 ~ 23 kgf-m) 145 ~166 ft-lbs
2-15