jcb 672, Руководство по обслуживанию, Страница: 7 / 15

15 - Engine
00 - General
00 - General
15 - 8 9806/6900-3 15 - 8
Technical Data
Table 5. Basic Engine Data (Dieselmax 672 Mechanical Engine)
Engine EC - 6 Cylinder Mechanical, Turbocharged with
Intercooler
Emission compliance Non-emission
Rated speed 1800 rpm
Weight (Dry):
680 kg (1500 lb)
(1)
Number of cylinders 6
Nominal bore size 106 mm (4.173 in)
Stroke 135 mm (5.314 in)
Cylinder arrangement In line
Combustion Cycle 4-stroke
Firing order 1-5-3-6-2-4
Displacement 7.148 litres
Compression ratio 18:1
Engine Compression
see note (2)
Direction of rotation (viewed from front {crankshaft
pulley} end)
Clockwise
Valves 4 per cylinder
Valve clearances measured at the tappet end of the
rockers (measured cold):
see note (2)
- Inlet 0.28–0.34mm
- Exhaust 0.43–0.5mm
Lubricating oil pressure (3)
1.6 - 6.5 bar (23 - 91lb in2)
Combustion system Direct injection, mechanical fuel injection
High pressure fuel pump Mechanical inline
(1) Dry weight. No cooling fan drive.
(2) Compression variance between each cylinder should be no greater than 3.5 bar (50 lb in2).
(3) Dependent on engine temperature and speed.