Manual de transmision

1. ATLAS COPCO PRODUCT
TRAINING
Driving -Brake and Steering

2. COMMITTED TO SUSTAINABLE PRODUCTIVITY
We stand by our responsibilities towards our customers,
towards the environment and the people around us.
We make performance stand the test of time. This is what
we call – Sustainable Productivity.

3. DRIVING
▪ Diagrams and Drawings
– Hydraulics
References in documentation

4. DRIVING
▪ Red – pressure
▪ Blue – tank/return
▪ Green – pilot pressure (25bar)
▪ Yellow – other pilot pressure
Hydraulic diagram legend

5. 2
1 3
4
5
6 7
8
9
10
11
12
BOOMER B281
Component location

6. 6
Starting the diesel engine

7. Starting the diesel engine

8. Pressurizing the system – Gear Neutral
The whole system will be pressurized with 25 bar
The displacement on
the tramming pump is
zero
The tramming Motors's
displacement is regulated to its
minimum displacement.

9. Tramming forward 1st. Gear

10. Tramming backward 2nd. Gear

11. 11
Function tramming system
Protecting devices
Cut off
valve
Shock
valves

12. CHARGING/LOADING AT 125 BAR
12
Pressure is
less than
125Bar

13. CHARGING AND STEERING AT 125 BAR
13
Pressure is
between125Bar
and 150 Bar

14. UNLOADING AT 150 BAR
14
Pressure is
bigger than 150
Bar

15. APPLYING THE SERVICE BRAKES
15
Press brake pedal

16. 16
RELEASING THE SERVICE BRAKE
Releasing brake pedal

17. 17
PARKING BRAKE

18. 18
ACTIVATING PARK BRAKE

19. 19
RELEASING PARK BRAKE

20. 20
STEERING

21. TRACTION
▪ Be aware of:
– The components in the brake and steering circuit
– How the circuit is started hydraulically
– How the brake and steering circuit works
Knowledge target for this section

22. COMMITTED TO
SUSTAINABLE PRODUCTIVITY.