Technical Data
68
Carefully read the Operating Instructions before starting any work!
This is especially valid for the chapter on General Safety Instructions
and the safety instructions in each of the chapters.
11.3 Engine Data
11.3.1 E0834 LE302
Engine model E0834 LE302
Design Inline engine
Operating Principle 4-cycle spark ignition engine
Number of cylinders 4
Bore 108 mm
Stroke 125 mm
Displacement 4,580 cm
3
Compression 11:1
Rating
for natural gas operation 68 kW / 92 HP at 1500 rpm
The power output specifications are valid for operation with natural gas with a calorific value of
36,350 kJ/m3 and a methane number > 80. For higher calorific values, the engine is to be set so
that the specified engine power is not exceeded. For lower calorific values a correspondingly lower
engine power will be the result. A new engine setup will be needed to achieve the rated output.
Rating
for biogas operation 66 kW / 90 HP at 1500 rpm
The power output specifications are valid for operation with biogas (60% CH
4
, 40% CO
2
with a calo
rific value of 17,600 kJ/m3 and a methane number 140. For higher calorific values, the engine is to
be set so that the specified engine power is not exceeded. For lower calorific values a correspondin
gly lower engine power will be the result. A new engine setup will be needed to achieve the rated
output.
Firing order 1-3-4-2
Valve clearance (cold engine)
Intake 0.50 mm
Exhaust 0.50 mm
Valve timing
Intake opens 6 before TDC
Intake closes 38 after BDC
Exhaust opens 56 before BDC
Exhaust closes 12 after TDC
Ignition timing in _ KW before TDC Natural gas operation Biogas operation
1500 rpm, 50C mixture temperature 16_ 18_
1800 rpm, 50C mixture temperature -- --
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