UPPERSTRUCTURE / Swing Device Disassemble Swing Device CAUTION: Swing device weight: 230 kg (510 lb) 1. Install bracket (ST 5101) onto the workbench. 2. Attach a nylon sling onto the swing device and hoist the swing device. CAUTION: Swing motor (1) weight: 50 kg (110 lb) 6. Remove socket bolts (2) (8 used). Remove motor (1) from ring gear (3). : 10 mm NOTE: THREEBOND is applied to the mating surfaces on ring gear (3) and motor (1). Insert a screwdriver into the notch in mating part and raise off motor (1). 7. Remove first stage sun gear (4) from first stage carrier (6). 8. Remove the first stage carrier (6) assembly from ring gear (3). 9.
Remove socket bolts (24) (12 used) from ring gear (3). Eyebolt Mounting Positions W16J-02-06-003 3. Install the swing device to bracket (ST 5101) so that the stopper of bracket (ST 5101) can be inserted between the teeth in pinion gear in the swing device. Install the swing device to bracket (ST 5101) with the bolts (M20) (2 used). : 14 mm CAUTION: Ring gear (3) weight: 22.5 kg (50 lb) 10. Install eyebolt (M12, Pitch 1.75 mm) into the socket bolt hole (2 places) on ring gear (3). Hoist and remove ring gear (3) from housing (27). : 30 mm Swing Device Bolt NOTE: THREEBOND is applied to the mating surfaces on ring gear (3) and housing (27).
Insert a screwdriver into the notch in mating part and raise off ring gear (3). Stopper ST 5101 Pinion Gear W178-02-06-012 4. Remove drain plug (25). Rotate cock (25) and drain oil in the swing device. Plug: PT1/2 5. Put the matching marks on the mating part between motor (1) and ring gear (3), between ring gear (3) and housing (27). W2-6-5