# Commission Delegated Regulation (EU) 2015/68 of 15 October 2014 supplementing Regulation (EU) No 167/2013 of the European Parliament and of the Council with regard to vehicle braking requirements for the approval of agricultural and forestry vehicles (Text with EEA relevance), Appendix 1

Extent: E+W+S+N.I.

Examples of pneumatic simulators
1.
Setting the Simulator
2.
Testing the Trailer
A supply connection with shut-off valve
C1 pressure switch in the simulator, set at 65 kPa and at 490 kPa
C2 pressure switch to be connected to the brake actuator of the towed vehicle, to operate at 75 per cent of the asymptotic pressure in the brake actuator CF
CF brake cylinder
L line from orifice O up to and including its coupling head TC, having an inner volume of 385 ± 5 cm3 under a pressure of 650 kPa
M pressure gauge
O orifice with a diameter of not less than 4 mm and not more than 4,3 mm
PP pressure test connection
R1 30 litre air reservoir with drain valve
R2 calibrating reservoir, including its coupling head TC, to be 385 ± 5 cm3
R3 calibrating reservoir, including its coupling head TC, to be 1 155 ± 15 cm3
RA shut-off valve
TA coupling head, supply line
V braking system control device
TC coupling head, control line
VRU emergency relay valve
3.
Example of a simulator for electric control lines
ECL Electric Control Line corresponding to ISO 7638:2003
SIMU Simulator of Byte 3,4 of EBS 11 according to ISO 11992:2003 with output signals at start, 65 kPa and 650 kPa
A Supply connection with shut-off valve
C2 Pressure switch to be connected to the brake actuator of the towed vehicle, to operate at 75 per cent of the asymptotic pressure in the brake actuator CF
CF Brake cylinder
M Pressure gauge
PP Pressure test connection
TA Coupling head, supply line
VRU Emergency relay valve

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Source: https://www.legislation.gov.uk/eur/2015/68/annex/III/appendix/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2015-68/annex-III/appendix-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.