Engine | 372, 374, 376, 377 in model 382, 384, 688 |
with Knorr air compressor (150 cm3) | |
Engine | 372, 374, 376, 377 in model 384, 386, 682, 693, 694, 695 |
with Knorr air compressor (150 cm3) | |
Engine | 372, 376 in model 384, 386 |
with Knorr air compressor (150 cm3) | |
Engine | 374 in model 688 |
with Knorr air compressor (150 cm3) |
Compressor |
Number | Designation | Engine 372.9, 374.9, 376.9, 377.9 | ||
BE13.30-B-1001-01B | Cylinder - Knorr air compressor (150 cm3) | Cylinder diameter | ||
Normal | Nm | 88 | ||
Version I | Nm | 88,000...88,009 | ||
Version II | Nm | 88,010...88,019 | ||
Execution III | Nm | 88,020...88,029 | ||
Wear limit | Nm | 0,15 | ||
Piston diameter | ||||
Version I | Nm | 87,933...87,947 | ||
Version II | Nm | 87,943...87,957 | ||
Execution III | Nm | 87,953...87,967 | ||
Wear limit | Nm | 0,01 | ||
Piston pin housing diameter | ||||
New | Nm | 18,002...18,006 | ||
Wear limit | Nm | 0,03 | ||
Rings/groove | ||||
Height of the channels for the compression ring | Nm | 2,50...2,52 | ||
Groove height for the scraper ring | Nm | 4,00...4,02 | ||
Scraper ring thickness | Nm | 3,978...3,990 | ||
Compression ring thickness | Nm | 2,478...2,490 | ||
Side clearance of the rings on the respective piston grooves | Nm | 0,010...0,042 | ||
Maximum allowable ring clearance in the grooves, worn parts | Nm | 0,42 | ||
Clearance between the ends of the measured compression rings mounted on the cylinder | Nm | 0,30...0,50 | ||
Maximum allowable clearance between compression rings, worn parts | Nm | 1,20 | ||
Clearance between the measured scraper ring ends mounted on the cylinder | Nm | 0,25...0,50 | ||
Maximum permissible clearance between scraper ring ends, worn parts | Nm | 1,20 | ||
Cylinder and piston | ||||
Clearance between the piston and the cylinder | Nm | 0,053...0,076 | ||
Maximum permissible clearance between the piston and the cylinder, worn parts | Nm | 0,16 | ||
Radial play between the pin and the piston | Nm | 0,002...0,011 | ||
Maximum permissible clearance between the piston and the pin, worn parts | Nm | 0,04 | ||
BE13.30-B-1002-01B | Connecting rod | Diameter for pin housing on the connecting rod | mm | 18,016...18,043 |
Wear limit on the pin housing | mm | 0,08 | ||
Pin wear limit | mm | 0,01 | ||
Connecting rod neck diameter in the crankshaft | mm | 41,959...41,975 | ||
Connecting rod wear limit | mm | 0,01 | ||
Connecting rod diameter for crankshaft neck housing | mm | 42,000...42,016 | ||
Connecting rod wear limit on the neck housing | Nm | 0,01 | ||
Connecting rod length measured from the center of the foot to the center of the head | mm | 84,95...85,05 | ||
Clearance between the piston pin and the housing | mm | 0,016...0,047 | ||
Maximum permissible clearance between the pin and the connecting rod housing, worn parts | mm | 0,1 | ||
Clearance between the neck and connecting rod | mm | 0,025...0,057 | ||
Maximum permissible clearance between the neck and connecting rod, worn parts | mm | 0,2 | ||
BE13.30-B-1003-01B | Block | Inner diameter of bearing and bushings | mm | 30,020...30,066 |
Inner wear limit of the bushings | mm | 0,03 | ||
Block diameter for seating the bushings | mm | 34,000...34,016 | ||
Distance from the external machined face of the block to the internal side face on the opposite side | mm | 81,80...81,95 | ||
Wear limit of the external machined face of the block to the internal side face on the opposite side | mm | 0,2 | ||
Distance for mounting the bushing between the inner face of the cover and the bushing | mm | 1,0...1,2 | ||
Distance for seating the bushing between the inner face of the block and the bushing | mm | 1,3...1,5 | ||
BE13.30-B-1004-01B | Crankshaft | Bearing neck diameter for bushings | mm | 30,002...30,011 |
Wear limit of bearing neck for bushings | mm | 0,02 | ||
Diameter on the crankshaft for seating the cover | mm | 24,959...24,980 | ||
Cover seating neck wear limit | mm | 0,1 | ||
Clearance between the necks and bushings on the crankshaft | mm | 0,13 | ||
Crankshaft axial play mounted on the block | mm | 0,05...0,45 | ||
Maximum permissible axial clearance of the assembled crankshaft, in new condition | mm | 0,55 | ||
BE13.30-B-1005-01B | Drive belt | Belt deflection between pulleys, when thumb pressed | mm | 20 |
Tension obtained with measurement device | kg | 30...40 |