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103
4
OPERATION AND USE
id.:
DB 260 REV. 00 01/07/2015
4.10.9.a Concrete unloading from chute
(fi g. 38)
- Keep the drum rotating in the mixing direction (clockwise).
- Approach the unloading area.
- Stop the vehicle.
- Loosen the lever
A
that locks the chute
B
.
- Move the chute
B
directing it to the correct unloading position.
Operate the lever
E
positioned in the driving post to adjust the chute height. This control acts on the chute
tilting cylinder
C
.
- Arrange any extensions
D
and lock the chute
B
using the lever provided
A
.
- Bring the engine rpm up to a medium speed.
- Invert the drum rotation direction for unloading by acting on the selector in the cabin or the one on the
ground.
- Adjust the drum rotation speed. The concrete unloading speed depends on the engine speed, the drum
rotation speed, the height to which the drum is raised and the fl uidity of the concrete.
- Raise the drum but not necessarily to its maximum height.
- Visually inspect regular concrete unloading.
4.10.9 CONCRETE UNLOADING
CAUTION: Always set the gear selector to neutral position.
Move the arms up to the maximum height with the hydraulic hatch closed.
CAUTION: If someone on the ground assists you during unloading, be extremely careful in carrying
out the manoeuvres and keep eye contact at all times.
CAUTION: Avoid sudden inversion of drum rotation when the drum is full or partially full and raised on
uneven, bumpy or soft ground.
CAUTION: When working on side slopes do not rotate the rotary frame with the unloading chute facing
downhill. Avoid steep slopes when you need to traverse with the rotary frame.
Keep the arms at the maximum height.
CAUTION: Carefully rotate the drum to prevent unbalancing the wheels.
CAUTION: The use of drum side unloading is only permitted with the machine stationary and placed
on compact ground, with slopes not exceeding 5%.
38
C
A
D
B
E
Содержание DB 260
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