5-3
DX380LC-7
Removal
1.
Park on firm and level ground.
2.
Lower front attachment (bucket) to ground.
3.
Stop engine.
4.
Move safety lever to "UNLOCK" position.
5.
Turn starter switch to "I" (ON) position.
6.
Fully stroke work levers (joysticks) in all directions to
relieve any pressure from accumulators.
7.
Move safety lever to "LOCK" position.
8.
Turn key to "O" (OFF) position and remove from starter switch.
9.
Attach maintenance warning tag on controls.
10. Turn battery disconnect switch to "OFF" position.
11. Make sure all electrical lines and other items are disconnected.
12. Using a suitable lifting device capable of handling a heavy
load, partially support counterweight from lifting holes (6,
Figure 4), counterweight (1) before loosening four bolts (2).
Stop lifting with assist crane as soon as lifting slings are taut.
13. Remove four bolts (2, Figure 4), washers (3) and shims (5)
from counterweight (1, Figure 4).
•
Tool: 60 mm (
)
•
Weight: 7,400 kg (16,320 lb)
NOTE:
Heat bolts, if necessary, to free them.
14. When bolts (2, Figure 4), washers (3) and shims (5) have
been removed, lift counterweight (1) a very short distance
above support frame (4) and stop. Check slings and make
sure counterweight is being supported evenly.
DS1901246
2
3
4
5
1
6
Figure 4
WARNING
AVOID DEATH OR SERIOUS INJURY
If engine must be running while performing
maintenance, use extreme care. Always have one
person in the cabin at all times. Never leave the cabin
with the engine running.
