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HYUNDAI ENGINE BULLETIN 06

- TIER 3 INSTRUCTOR PIETER EVERAERTS

ON MODELS R290LC-7A & HL760-7A

QSB6.7 ENGINE Hyundai Heavy Industries Europe

- JULY 2006 -

QSB6.7

CONTENT PAGE 1] VIEW & FEATURES

2

2] FUEL SYSTEM

3

3] SENSORS P, P T

10

4] SENSORS - SPEED

13

5] CUMMINS CONTROLLER

15

6] ELECTRIC DIAGRAM - sensor wiring 16

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1.VIEW & FEATURES

Rated gross horse power R290LC-7A

227 Hp at 1900 RPM

HL760-7A

215 Hp at 2100 RPM

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2. FUEL SYSTEM a. General Tier 3 Æ HIGH PRESSURE COMMON RAIL

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b. Flow Diagram

Fuel filter

Pre-

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c. High Pressure Common Rail

d. Fuel Pump: Bosch CP3

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e. Solenoid Valve Fuel Pump Control

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f. High Pressure Connector HPC

g. New Electronic Injector

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h. Fuel filters

No electric lift pump

PRE FUEL FILTER (R290LC-7A) PRE-FUEL (R290LC 7A)

FUEL FILTER

Fuel heater CN147 Water bowl

Water drain valve

Water in Fuel Sensor CD45

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Bleeding fuel line

PRE-FUEL FILTER (R290LC-7A)

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3. SENSORS P, T a. Water in Fuel Sensor - CD45

b. Fuel Rail Pressure Sensor

c. Intake Manifold Temp/Pressure Sensor (TMAP) Location: Front side of intake manifold elbow horn

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d. Barometric Pressure sensor

The barometric pressure sensor is mounted on the main branch of the engine harness near the ECM.

e Coolant Temp Sensor e.

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f. Engine oil pressure switch

It opens at 8 psi (0.55 bar)

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4. SENSORS - SPEED:

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CRANKSHAFT & CAMSHAFT

Both sensors are “Hall effect sensors”: see p. 14

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CRANK SHAFT & CAMSHAFT SPEED SENSORS: HALL EFFECT PRINCIPLE

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5. CUMMINS CONTROLLER (ECM) Type for QSB & QSC/QSL Æ CM850

Connector Numbering

60 PIN

50 PIN

CN 93

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6. ELECTRIC DIAGRAM - SENSOR WIRING

- END Hyundai Heavy Industries Europe

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