UNDERCARRIAGE / Center Joint REMOVE AND INSTALL CENTER JOINT IMPORTANT: Release any pressure in the hydrau- lic oil tank before doing any work. (Refer to “Bleed Air from Hydraulic Oil Tank” on page W1-4-1.) Removal Machine Front IMPORTANT: Attach an identification tag to all the hoses of center joint for reassem- bling. IMPORTANT: Remove all the hoses and adapters from center joint. Attach a cap to the removed hoses. 1. Remove hoses (1, 2, 5, 6) and adapters (4 used) from the upper side of spindle on the center joint. 7 8 1 2 6 W16J-03-03-002 5 3 : 41 mm 4 Spindle 2. Remove hoses (3, 4) from the spindle. : 19 mm, 27 mm 3.
Remove bolts (8) (2 used) and spring washers (2 used) from the spindle. Remove stopper (7) from the spindle. At this time, remove the wash- ers (2 used) between stopper (7) and spindle. : 22 mm CAUTION: Center joint weight: 52 kg (110 lb) 4. Install eyebolts (G1) to the adapter holes (2 places) on the upper side of spindle. Attach a nylon sling onto eyebolt. Take up slack of the ny- lon sling. Center Joint 9 17 16 10 5. Remove hoses (9 to 16) from the lower side of center joint. Track Frame : 22 mm, 27 mm, 41 mm 15 6. Put the matching marks on the track frame and the center joint. Remove bolts (17) (4 used) and spring washers (4 used). Hoist and remove the center joint slowly.
14 11 W16J-03-03-003 12 13 : 24 mm Machine Front W3-3-1