BPW ECO Tronic EBS Operating And Installation Instructions page 58

5 Installation and Operating Instructions
5.1 Brake system
5.1.2 Trailer Control Module TrCM
9
22
1 2
32.8
Fig. 98
Installation Guidelines
Install the valve with its attachment fl ange to the vehicle frame
using two/three M 8 screws (15 Nm). Ensure good accessibility
to the actuating device. Unnecessary connections are to be
closed. For painting tasks, protect the valve openings from
penetration by paint. For line fi ttings / plug connections, comply
with the manufacturer's specifi cations.
Maintenance
Control according to the legal requirements of § 29 StVZO. If
defects are found during vehicle inspections or travel, the valve
must be replaced. In case of soiling or damage, replace the
basket fi lter in connection.
Inspection:
Carry out a sealing and function check as described below.
1. Depressurised system
Press the release valves (black and red buttons) (secure vehicle
trailer).
2. Initial fi lling
Supply pressure to connection 1. The release valve (black
button) must switch to the operating position (jump out).
3. Automatic emergency brake
Lower the pressure at connection 1 to 0 bar. The emergency
brake connection 21 must be automatically activated.
4. Pressure limit
Opening and securing pressure (closing pressure) to be
checked with a test gauge at the connections 23, 24 and
25 corresponding trailer manufacturing information. Review
leakage, for example with a leak detection spray.
5. Parking brake valve (red button)
Supply pressure to connection 1. Pull up the release valve (red
button). Connection 22 (FBA) must bleed to 0 bar.
58
24.5
6 x M16x1.5 12 deep
4
21
23
24
25
31
max. permissible
connecting piece 12
10
26
97
5x M8 12 deep
Charging valve
3 point
fixing
60
Functional diagrams
P 21 [bar]
e
Automatic braking
8
7
6
5
4
3
2
1
0
1 2
Input pressure connection 1
P 22 [bar]
e
8
7
6
5
4
3
2
1
0
1 2
Fig. 99
Energy discharge connection 1 2
2 point
fixing
32
Release
Full
function
3 4 5 6 7 8
P 1 [bar]
e
3 4 5 6 7 8
P 1 2 [bar]
e