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Commission Delegated Regulation (EU) No 134/2014Show full title

Commission Delegated Regulation (EU) No 134/2014 of 16 December 2013 supplementing Regulation (EU) No 168/2013 of the European Parliament and of the Council with regard to environmental and propulsion unit performance requirements and amending Annex V thereof (Text with EEA relevance)

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2.1.Accessories
2.1.1.Accessories to be fitted

During the test, it shall be possible to locate the accessories needed for operation of the engine in the application in question (as referred to in Table Ap2.2-1 on the test bench as far as possible in the positions that they would occupy for that application.

2.1.2.
Table Ap2.2-1

Accessories to be fitted during the propulsion unit performance test in order to determine torque and net engine power

a

Charge air-cooled engines shall be tested with charge air cooling, whether liquid or air-cooled, but if the manufacturer prefers, a test bench may replace the air-cooled cooler. In either case, the measurement of power at each speed shall be made with the same pressure drop of the engine air across the charge air cooler on the test-bench system as those specified by the manufacturer for the system on the complete vehicle.

NoAccessoriesFitted for the torque and net power test
1

Air intake system

  • Induction manifold

  • Air filter

  • Induction silencer

  • Crankcase emission-control system

  • Electrical control device, where fitted

If series-mounted: yes
2Induction manifold heaterIf series-mounted: yes (if possible, it shall be set in the most favourable position)
3

Exhaust system

  • Exhaust manifold

  • Exhaust clean-up system (secondary air system) (where fitted)

  • Pipe work1

  • Silencer1

  • Exhaust pipe1

  • Electrical control device, where fitted

If series-mounted: yes
4CarburettorIf series-mounted: yes
5

Fuel injection system

  • Upstream filter

  • Filter

  • Fuel supply pump and high pressure pump if applicable

  • High-pressure lines

  • Injector

  • Air inlet flap2, where fitted

  • Fuel pressure / flow regulator, where fitted

If series-mounted: yes
6Maximum rotational speed-or power governorsIf series-mounted: yes
7

Liquid-cooling equipment

  • Engine bonnet

  • Radiator

  • Fan3

  • Fan cowl

  • Water pump

  • Thermostat4

If series-mounted: yes5
8

Air cooling

  • Cowl

  • Blower3

  • Cooling temperature-regulating device(s)

  • Auxiliary bench blower

If series-mounted: yes
9Electrical equipmentIf series-mounted: yes6
10

Super-charger or turbocharger, where fitted

  • Compressor driven directly by the engine or by the exhaust gases

  • Charge air coolera

  • Coolant pump or fan (engine driven)

  • Coolant flow control device, where fitted.

If series-mounted: yes
11Pollution-control devices7If series-mounted: yes
12

Lubrication system

  • Oil feeder

  • Oil cooler, where fitted.

If series-mounted: yes
2.1.3.Accessories to be removed

Certain accessories which are necessary only for the operation of the vehicle itself, and which may be mounted on the engine, shall be removed for the test.

Where accessories cannot be removed, the power absorbed by them under no load may be determined and added to the engine power measured.

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