CARBURETOR AK-14P - DESCRIPTION AND OPERATION
1. GENERAL
The AK-14P carburetor is intended to be mounted on a four-stroke radial nine-cy-linder air-cooled engine, type
M-14P.
The carburetor is of a floatleas, single-barrel type. To ensure engine pickup, the carburetor features mechanical
and air acceleration pumps; an altitude control is provided to adjust mixture quality in climbing.
The carburetor has no heating devices.
Air delivered to the cylinders is heated in a special heater arranged upstream of the carburetor.
The carburetor functional diagram is given in Pig. 1.
2. DESCRIPTION
2.1. SPECIFICATIONS
Type
Diaphragm, floatless
Operating position
Arbitrary
Mixing barrel diameter
70 mm
Venturi diameter
64 mm
Throttle idle setting angle (from completely open position)
11°
Carburetor inlet fuel pressure:
At main ratings
(0.35±0.15) kgf/cm2
At idle
Not less than 0.15 kgf/cm2
Suction jet diameter
1.3 to 2.0 mm
Idle air jet diameter
2.2 mm
Inlet air jet diameter
2.5 mm
Acceleration pump fuel jet diameter
0.9 to 1.4 mm
Fuel jet diameter
3.2 to 3.3 mm
Mass (less fuel, oil and shipping fixtures)
Up to 5 kg
Operating temperatures:
Carburetor inlet air
From 10 to 45 °C
Ambient
From minus 50 to+45 °C
Carburetor inlet fuel
From minus 50 to+45 °C
Working fluid
Gasoline B91/115
2.2. CONSTRUCTION
The AK-14P carburetor comprises the following main units:
Carburetor body.
Pressure regulator.
Link mechanism.
Throttle mechanism.
Metering system.
Mechanical acceleration pump.
Idle needle.
Fuel line.
Altitude control.
Air manifold.
Air acceleration pump.
Содержание M-14P
Страница 6: ...19 Engine M 14P Front View Figure 1...
Страница 7: ...20 Engine M 14P Rear View Figure 2...
Страница 27: ...40 Arrangement of Airborne Tools in Case Figure 1...
Страница 39: ......
Страница 44: ...57 Engine M 14P Test Run Chart Figure 201...
Страница 67: ...80...
Страница 163: ...176 Crankshaft Thrust Ball Bearing Front Cover Figure 1 Intermediate Crankcase Figure 2...
Страница 166: ...179 Intermediate Grankcase Front Portion Figure 3 Intermediate Crankcase Rear Portion Figure 4...
Страница 173: ...186 Front view Cylinder Figure 1 Rear view...
Страница 174: ...187 1 Inlet Valve 2 Outer Spring 3 Inner Spring 4 Split Retainer 5 Valve Plate Inlet Valve Figure 2...
Страница 178: ...191 Intake Pipe of Cylinders Nos 4 5 and 6 Figure 4 Piston Piston Rings and Piston Pin with Plugs Figure 5...
Страница 180: ...193 Timing Mechanism Schematic Diagram Figure 6 Cam Plate Figure 7...
Страница 189: ...Blower Longitudinal Section View Figure 1...
Страница 191: ...Rear view Mixture Collector Figure 2 Diffuser Figure 3...
Страница 194: ...1 Plate 2 Spring 3 Plate 4 Gear 5 Accessory Drive Shaft Blower Coupling Figure 4...
Страница 204: ...Oil Sump Figure 4...
Страница 216: ...Engine M 14P Gear Train Figure 1...
Страница 247: ...Carburetor AK 14P Operation Diagram Figure 1...
Страница 249: ......
Страница 267: ...OPERATIONS AND TECHNICAL REQUIREMENTS CORRECTIVE ACTIONS CH ECKED BY Carburetor AK 14P Right Side View Figure 201...
Страница 273: ...Carburetor Altitude Control Needle Position Versus Barometric Pressure Barometric Graph Figure 203...
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Страница 288: ...T t en 0 CO 0 T K D fi h0 Ol f 01 3 0 F4...
Страница 293: ......
Страница 309: ...SPARK PLUG SD 49SMM MAINTENANCE PRACTICES 1 LIST OF TASK CARDS Title Task Card Uo Removal 201 Installation 202...
Страница 344: ...Generator Electrical Connection Diagram Commutator Side View Figure 3 1 Main Pole 2 Interpole...
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