2 Innovative Vehicle Solutions 2017
TEM® Safe Parking
Table of contentsUse ���������������������������������������������������������������������������������������������������������������������������������������������������������������������� 3Method of operation ������������������������������������������������������������������������������������������������������������������������������������������� 3Fitting guidelines �������������������������������������������������������������������������������������������������������������������������������������������������� 4Maintenance �������������������������������������������������������������������������������������������������������������������������������������������������������� 4Technical data ������������������������������������������������������������������������������������������������������������������������������������������������������ 5Versions ��������������������������������������������������������������������������������������������������������������������������������������������������������������� 5Check ������������������������������������������������������������������������������������������������������������������������������������������������������������������ 6Design and function ��������������������������������������������������������������������������������������������������������������������������������������������� 7
Installation Guide
32017 Innovative Vehicle Solutions
TEM® Safe Parking
1.
2.
3.
Installation Guide
Supply (emergency/red) line coupled 1./2.
When the emergency/red line is connected, the supply pressure provided by the tractor is fully available to the braking system� The service brake is released and the spring brakes are operating� When the opening pressure of the pressure protection valve (optional) is exceeded, supply pressure is also available to the auxiliary devices�
Actuation of parking brake 2./3.
When the parking valve (red button) is pulled, the spring brake unit at port 12/2 is connected to the exhaust port 3� The pressure in the spring brake unit therefore falls, and the parking brake is applied�When the parking valve (red button) is pushed in, the spring brake system at port 12 is connected to the air supply reservoir, ports 1-2� The pressure in the spring brake system therefore rises, and the parking brake is released�The parking brake system must always be released manually before uncoupling (red button pulled)� The release can, however, only be effected when a pressure of at least 5�0 bar is available in the supply reservoir�
Pressure loss in the auxiliary devices, effect on the service braking system supply reservoir 3.
If pressure is lost through an auxiliary device, a “safety pressure” is maintained in the supply reservoir of the service brake equipment by the integrated pressure protection valve�
Use
Method of Operation
Parking and release valve with emergency function as well as a pressure protection valve for auxiliary devices (e�g� air suspension) for two-line air brake equipment in towed vehicles�The TEM® has a flange-fitted release valve and a parking valve for the spring brake� Safe Parking is a new feature, effecting the spring brakes coming into action during uncoupling or pressure loss�Before moving off the spring brake actuators have to be released manually using the parking valve� In particular, the TEM® satisfies the requirements of directive ECE R 13�
Initial charging
Pressure rise approx� 6�2 bar
Driving mode
4 Innovative Vehicle Solutions 2017
TEM® Safe Parking
4.
5.
6.
Pressure loss in the supply line-effect on the parking brakes 4.
If the pressure in the emergency/red line is lost – the automatic breaking will be activated before the pressure reaches a level of 2 bar� In this case port 12/2 will be depressurized and braking is performed by the parking brakes�
Effect on the service braking system supply reservoir and the auxiliary devices
If the emergency/red line is pulled off, loss of supply air from the trailer vehicle’s supply reservoir and the auxiliary devices is prevented by the integrated low pressure check valve�
Manoeuvring operation 5./6.
In order to manoeuvre the uncoupled vehicle, both the operating knobs, black first and red second, must be pushed in� Only this ensures that the spring braking system is released and that the vehicle is not braked� The parking valve must be pulled again (5�0 bar supply reservoir) when the manoeuvring process is complete�
Fitting guidelines
Mechanical part 8./9.
The TEM® should be attached to the vehicle chassis through its mounting flange, using two M8 screws and spacing washers, tightened to a maximum torque of 15 Nm (splah and spray water protected� The maximum tightening torque for the threaded bushings is 34 Nm�The 028 0477 19 (picture 7) function plate must be attached to a visible area near the palm coupling�Ensure that the operating equipment is easily accessible�Ports that are not needed must be closed off�When painting, the valve openings must be protected to prevent paint penetration�Refer to the respective manufacturer’s instructions for the screwed / push-in fittings�
Emergency braking
Activating the parking brake when coupled part 1�
Releasing the parking brake when uncoupled part 2�
MaintenanceTEM® has to be checked – according to legal registra-ting country requirements or the statutory regulations of § 29 StVZO� If defects are discovered, either during examination of the vehicle or when travelling, the valve must be replaced�The cage filter 029 0004 09 in Port 1 is to be exchanged when soiled or damaged�
Installation Guide
52017 Innovative Vehicle Solutions
TEM® Safe Parking
opcional352 075 001352 075 031
opcional352 075 001352 075 011
7.
028
0477
19
Coupling Driving
Safe Parking
AUTO
>5bar>5bar
PRES
S
Installation Guide
Technical dataTÜV Rep�No� KO 258�OEOperating pressure pe = 10 barOperating temperature -40°C - +80°CWeight approx� 1�2 - 1�6 kgMedium AirPressure protection valve C 6 - 22Opening pressure: pe = 6�2 barClosing pressure: pe = 5�2 bar
Port designations
1 = supply port (palm coupling supply)1-2 = supply/delivery port (reservoir)3 = exhaust (spring brake)12, 2 = delivery port (spring brake)21, 21 = delivery port x 2 off (pressure protection valve)
Versions352 075 001 with pressure protection valve and shunt
valve, instruction plate 028 0508 09 and warning label 028 0477 19 are supplied loosely
352 075 011 without pressure protection valve and with shunt valve, instruction plate 028 0508 09 and warning label 028 0477 19 are supplied loosely
352 075 031 with pressure protection valve and without shunt valve, instruction plate 028 0509 09 and warning label028 0477 09 are supplied loosely
352 075 051 without pressure protection valve and without shunt valve, instruction plate 028 0509 09 and warning label 028 0477 09 are supplied loosely
Warning - Danger!
There must not be anybody in the hazardous area when coupling or uncoupling�
Symbol DIN 14253
Function diagramm DIN ISO 1219
028 0477 19 Warning label
Parking ValveShunt Valve
6 Innovative Vehicle Solutions 2017
TEM® Safe Parking
8.
Installation Guide
Warning - Danger!
Before starting the journey, the spring brake cylinder must be released manually using the parking valve�
CheckCheck the TEM® for tightness and proper functions as described below� WARNING: secure trailer against moving
System without pressure
Shunt valve (black button) must be pushed in, parking valve (red button) automatically pushed out�
Initial charging
Apply pressure to port 1; the shunt valve (black button) must go into the operating position (pushed out)�The parking valve (red button) remains pushed out�
Schematic mounting diagram (example)
Automatic emergency braking
Ensure that the black button is pulled out, and the red button is pushed in� Lower the pressure at port 1 to 0 bar� The air in the spring brakes (port 12/2) exhausts through port 3 automatically activating the emergency brakes (i�e� red button pushed out)�
Pressure protection valve
Instructions for adjustment may be found in the installation instructions, order no�: 000 314 012�
Parking brake valve (red button)
Apply air pressure to port 1, shunt valve (black button) is automatically pushed out� Push in the parking valve (red button), at least 5�0 bar in the supply (brake) reservoir� Pull out the parking valve (red button), port 12/2 (spring brake system) must vent down to 0 bar, vehicle braked�
72017 Innovative Vehicle Solutions
TEM® Safe Parking
9.
Installation Guide
Design and function
Dimensions 352 075 0��
www.haldex.comInnovative Vehicle Solutions 0061
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Haldex develops and provides reliable and innovative solutions focused on brake and air suspension products to the global commercial vehicle industry�In 2016, the company had net sales of approximately 4�4 billion SEK and employed a workforce of 2,100 people�
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