UPPERSTRUCTURE / Swing Device REMOVE AND INSTALL SWING DEVICE There are swing devices (9, 10). These procedures are for swing device (9). Swing device (10) can be removed and installed in the same procedures. CAUTION: Release any pressure in the hydraulic oil tank before doing any work. (Refer to BLEED AIR FROM HYDRAULIC OIL TANK on W1-4-1.) Removal 1. Remove bolts (2) (4 used). Remove covers (1) (2 used) from the main frame. 2 2 1 : 19 mm 2. Remove socket bolts (4) (8 used) from swing device (9). Remove hoses (5, 6). : 8 mm 3. Remove hoses (3, 7, 8) from swing device (9). Cap the hoses and swing device (9). : 17 mm, 19 mm, 27 mm, 36 mm 4.
Put the matching marks on housing (13) in swing device (9) and the main frame. Remove adapter (15), bolts (11) (13 used) and washers (12) (13 used). Adapter: PT1/2 W1J1-02-05-061 7 3 6 5 : 32 mm 5. Remove corks (14) (2 used) from housing (13) by using a screwdriver. Do not reuse cork (14). 4 6 NOTE: Other cork (14) is located diagonally. 3 5 4 8 10 9 W1J1-02-06-001 11 12 13 14 14 15 W1J1-02-06-002 W2-6-1