Case IH Farmall 45A, Руководство по обслуживанию

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Engine - Engine and crankcase
Engine - General specification
General
Engine Model ISM N844L ISM N844LT
Number of Cylinders 4 4
Bore x Stroke 84 mm x 100 mm ( 3.31 in x 3.94 in ) 84 mm x 100 mm ( 3.31 in x 3.94 in )
Displacement
2216 cm³ ( 135.2 in³ ) 2216 cm³ ( 135.2 in³ )
Compression Ratio 22.4:1 23.4:1
Rated Speed 2700 RPM 2700 RPM
Gross Engine Horsepower 33.6 kW ( 45.7 Hp ) 41 kW ( 55.7 Hp )
PTO Horsepower at 2250 Engine and
766 PTO rpm 26.1 kW ( 35.5 Hp ) 31.3 kW ( 42.6 Hp )
Firing Order 1-3-4-2 1-3-4-2
Low Idle Speed 1050±50 RPM 1100±50 RPM
Maximum No-Load Speed 2900~2950 RPM 2900~2950 RPM
Cylinder Arrangement In-Line Vertical In-Line Vertical
Valve Arrangement Overhead Overhead
Compression Pressure at
200 RPM (cylinder speed)
2944 ± 345 kPa ( 427 ± 50 psi ) 2944 ± 345 kPa ( 427 ± 50 psi )
Variation between cylinders 345 kPa ( 50 psi ) 345 kPa ( 50 psi )
NOTE: If bore size exceeds 85.2 mm ( 3.3543 in ) replace with long block.
Engine - Torque
Model Farmall 50A
Engine Model
ISM N844L ISM N844LT
TORQUE SPECIFICATION
Connecting Rod Cap Bolts 49 – 54 N·m ( 36 – 40 lb ft ) 49 – 54 N·m ( 36 – 40 lb ft )
Main Bearing Retaining Bolts 49 – 54 N·m ( 36 – 40 lb ft ) 49 – 54 N·m ( 36 – 40 lb ft )
Relief Valve Assembly 59 – 69 N·m ( 43 – 51 lb ft ) 59 – 69 N·m ( 43 – 51 lb ft )
Crankshaft Main Bearing
Holder Bolts
Rear Main
25 – 29 N·m ( 18 – 22 lb ft ) 25 – 29 N·m ( 18 – 22 lb ft )
Center Mains 49 – 54 N·m ( 36 – 40 lb ft ) 49 – 54 N·m ( 36 – 40 lb ft )
Engine Rear Mounting Plate 12 – 17 N·m ( 9 – 12 lb ft ) 12 – 17 N·m ( 9 – 12 lb ft )
Flywheel Retaining Bolts 68 – 78 N·m ( 51 – 58 lb ft ) 68 – 78 N·m ( 51 – 58 lb ft )
Engine Front Plate 9 – 12 N·m ( 6 – 9 lb ft ) 9 – 12 N·m ( 6 – 9 lb ft )
Crankshaft Pulley Nut 274 – 333 N·m ( 202 – 246 lb ft ) 274 – 333 N·m ( 202 – 246 lb ft )
Cylinder Head Bolts 98 – 103 N·m ( 72.3 – 76 lb ft ) 98 – 103 N·m ( 72.3 – 76 lb ft )
Rocker Arm Assembly 27 – 39 N·m ( 20 – 29 lb ft ) 27 – 39 N·m ( 20 – 29 lb ft )
Rocker Arm Locknut 11 – 16 N·m ( 8 – 12 lb ft ) 11 – 16 N·m ( 8 – 12 lb ft )
Oil Tube Banjo Bolt 9 – 13 N·m ( 7 – 9 lb ft ) 9 – 13 N·m ( 7 – 9 lb ft )
Oil Pressure Switch 14 – 20 N·m ( 10 – 14 lb ft ) 14 – 20 N·m ( 10 – 14 lb ft )
Rocker Cover Bolts 7 – 12 N·m ( 6 – 9 lb ft ) 7 – 12 N·m ( 6 – 9 lb ft )
Glow Plugs 14 – 20 N·m ( 10 – 14 lb ft ) 14 – 20 N·m ( 10 – 14 lb ft )
Cooling Fan Bolts 9 – 13 N·m ( 7 – 9 lb ft ) 9 – 13 N·m ( 7 – 9 lb ft )
Balancer
Retaining Bolts 49 – 53.9 N·m ( 36 – 39 lb ft ) 49 – 53.9 N·m ( 36 – 39 lb ft )
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