Lombardini LDW 502 User Manual

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FOCS Workshop Manual_cod. 1.5302.351_7° ed_ rev. 06
T/4021-4021-309-206-205WDL
C )mm(489,74÷610,84
550,84
D )mm(050,04÷120,04
001,04
4041-3001-207WDL
C )mm(950,15÷320,15
890,15
D )mm(
050,04÷120,04001,04
T/4021-4021-309-206-205WDL
A-C )mm(470,0÷220,0
002,0
B-D )mm(660,0÷120,0
031,0
4041-3001-207WDL
A-C )mm(870,0÷320,0
002,0
B-D )mm(
660,0÷120,0031,0
143
4
144
Clearances between the bearings and corresponding pins
See figures. 143 ÷ 144.
Dimensions (mm):
Nota: Both for crankshaft bearings and for connecting rod big end
bearings internal diameter are undersized by 0.25 and 0.50
mm.
Main bearings and connecting rod big ends diameters
Dimensions (mm):
The dimensions given refer to tightened bearings.
 For tightening torque see figures 116 e 126.
Ref.
Ref.
Tolerance
Tolerance
Ref. Clearance
Ref.
Clearance
Limit value
Limit value
Disassembly / Reassembly

Lombardini LDW 502 Specifications

General

Engine Type	Diesel, 4-stroke
Number of Cylinders	2
Fuel System	Indirect injection
Starting System	Electric start
Lubrication System	Forced lubrication with gear pump
Bore x Stroke	72 mm x 62 mm
Cooling System	Air-cooled
Displacement	505 cm³ (30.8 cu in)