In detail: bezhetsky compressor s416m do-it-yourself repair from a real master for the site my.housecope.com.
Operating instructions for piston Bezhetsky compressor C415M (C 415 M, C-415M1), C416M (C 416 M, C-416M1) (ASO).
OJSC "BEZHETSKY PLANT"
"AUTO SPECIAL OBORUDOVANIE"
Compressor unit
model S415M (S 415 M, S-415M1)
Compressor unit
model S416M (S 416 M, S-416M1)
S415M (S 415 M, S-415M1).00.00.000 PS
S416M (S 416 M, S-416M1).00.00.000 PS
BEZHETSK
2006.
Certificate of Conformity No. ROSS RSH. AJ 40. In 20054.
Valid until October 26, 2007.
1. PURPOSE OF THE PRODUCT
- Compressor units models S415M (S 415 M, S-415M1) and S416M (S 416 M, S-416M1) are designed to provide compressed air to garages, car farms, service stations, gas stations, as well as car repair and tire repair shops.
- Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1) are designed to operate under the following conditions: height above sea level is not more than 1000 m; ambient temperature from 283K (+10°С) to 31ZK (+40°С); relative humidity of the environment up to 80% at a temperature of 298K (+25°C).
- High pressure piston compressors
2. TECHNICAL DATA Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1)
The technical parameters of the units are listed in Table 1.
Table 1
Name
parameter of Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1)
2.1 Nominal capacity of Bezhetsk reciprocating compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1), reduced to suction conditions, m3/min (limit deviation ±10%)
 |
Video (click to play). |
2.2 Final pressure of Bezhetsk reciprocating compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1), MPa, not more than
2.3 Receiver capacity of Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1), m3, not less than
2.4 Weight without lubricant Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1), kg, no more
2.5 Installed power, kW
2.6 Overall dimensions of Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1), mm, no more
length
width
height
2.7 Oil consumption of Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1), g/h
3. COMPOSITION OF THE PRODUCT AND SUPPLY SET Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1)
The product (Fig. 1 and 2) includes: compressor head 1, air collector (receiver) 3, engine 4, drive belts 5, guard 2, air duct 6.
3.1. The scope of delivery of Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1) is shown in Table 2.
table 2
S415M (S 415 M, S-415M1)
S416M (S 416 M, S-416M1)
3.1.2. Passport S415M (S 415 M, S-415M1) O0.O0.OOO.PS,
S416M (S 416 M, S-416M1) 00.00.000. PS, copy.
3.1.3. Passport of pressure vessel, copy.
3.1.4. Passport of the electric motor, copy.
3.1.5. Components:
magnetic switch
3.1.6. Spare parts (when the compressor is equipped with a direct flow valve):
valve С415.01.00.402, pcs.
spring S415.01.00.403, pcs.
valve С415.02.00.302, pcs.
3.1.7. Spare parts (when equipped
strip valve block compressor):
valve plate
S415M (S 415 M, S-415M1). 01.00.807, pcs.
valve plate
S415M (S 415 M, S-415M1). 01.00.811, pcs.
valve С415.02.00.302, pcs.
Rice. 19. Compressor slinging scheme model C415M (C 415 M, C-415M1).
Rice. 18. Electrical circuit diagram and connections
compressor model S416M (S 416 M, S-416M1).
Principle pressure switch for Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1) by a foreign company is based on a comparison of the forces arising from the pressure of compressed air transmitted by the membrane and the forces of elastic deformation of the spring. For manual control of the engine of the Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1) there is a switch on the relay.
Setting the pressure switch for Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1) MDR 2/11
The MDR 2/11 relay is configured as follows:
- remove the protective cover of the Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1);
- adjust the operating pressure range of the Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1) (Rotkl and R) - to do this, rotate the nuts on both studs (of equal diameter and side by side) by an equal number of turns located), compressing or releasing the spring;
- adjust the difference between the Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1) (AR) between the cut-off pressure (Rotkl) and the turn-on pressure (P) - to do this, rotate the bolt (it is located next to the studs and holds the smaller diameter spring), compressing or releasing the spring.
In which direction to rotate the nuts of the Bezhetsk piston compressors C415M (C 415 M, C-415M1), C416M (C 416 M, C-416M1) indicate nearby arrows; The + (plus) sign next to the arrow indicates an increase in the working pressure, - (minus) next to the arrow indicates a decrease in the working pressure.
Setting relay pressure MDR1/11 Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1)
The MDR 1/11 relay is configured as follows:
- remove the protective cover of the Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1);
- adjust the operating pressure range of the Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1) (Rotkl and Rvet) - to do this, turn the screw by the required number of revolutions, compressing or releasing the spring;
- differential pressure of the Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1) (DR) at the relay is fixed (0.2. 0.3 MPa), not reconfigured,
opens the discharge valve and goes to the receiver 1. The receiver is equipped with a check valve 9.
When the dispensing valve is open, air from the receiver is supplied to the pneumatic system.
The condensate is removed from the receiver through the dehumidifier 10.
The compressor provides automatic execution of the following operations:
- operation of the Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1) within the specified pressures in the receiver using the control relay 13;
- unloading the engine of the Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1) at start-up - using pneumatic unloader 5;
– removal of condensate using a dehumidifier 10.
Small discrepancies in the description and execution of the Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1)
are possible due to technical improvements in the design.
4.3. Electrical equipment of Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1).
4.3.1. The compressor is produced for connection to a three-phase
four-wire network with a voltage of 380 V, 50 Hz (Fig. 17 and 18).
Connect the compressor to the electrical network through a QF circuit breaker (see wiring diagram) and an RCD-type residual current device.
4.3.2. Specification for electrical circuit diagrams of Bezhetsk reciprocating compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1)
is shown in table 3.
Table 3
Note:
1. Deviations from the specification of components are possible, not
affecting the principle of operation of the electrical circuit of the Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1).
2. Conduct electrical wiring in pipes with a diameter of at least 1/2″.
3. * Not supplied with products.
4. It is possible to supply Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1), equipped with a pressure switch
firm "NE-MA", which has a difference between the cut-off pressure (Rotkl) and
switch-on pressure ;G ") 0.2 MPa.
4.3.3. Discrepancies in the description and execution of the Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1) are possible due to technical improvement of the design.
Rice. 17. Electrical circuit diagram and connections
compressor model S415M (S 415 M, S-415M1).
5. SAFETY REQUIREMENTS Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1)
5.1. To work with Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1), persons who have studied the passport, have been instructed and are familiar with the features of the compressor operation are allowed.
5.2. Sound power levels in octave frequency bands and test points shall not exceed the values given in Table 4.
Table 4
Geometric mean frequencies
octave bands, Hz
Sound power levels, dB, no more
Rice. 15. Pneumatic circuit diagram of the compressor, model S415M (S 415 M, S-415M1)
1 - receiver; 2 - air filter; 3 - safety valve;
4 - low pressure cylinder manifold; 5 - pneumatic unloader;
6 – low pressure cylinder; 7 - refrigerator; 8 – high pressure cylinder;
9 - check valve block; 10 - dehumidifier; 11 - safety valve;
12 - air control manometer; 13 - pressure switch; 14 - distributing valve.
Rice. 14. Check valve.
1 - body; 2 - valve; 3 - spring.
The use of Fuchs Renolin 503, 504, 505 compressor oils is allowed.
The amount of oil in the crankcase between the upper and lower dipstick marks for:
- compressor head model S415M (S 415 M, S-415M1) about 0.7 l (0.6 kg)
- compressor head model S416M (S 416 M, S-416M1) about 0.9 l (0.8 kg)
6.9. Install the drive belts of the Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1) manually in an unstressed state, i.e. without using any tools. Tension the drive belts by moving the electric motor across the plate.
Check the tension of the belts of the Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1) and, if necessary, tighten them.
Under a force of 2 kgf, the belt branch should be pulled back by 11 mm.
In this case, the axes of the shafts of the electric motor and the crankshaft (or the axes of the pulley and flywheel) must be parallel, and the grooves of the pulley and flywheel should be opposite each other.
The parallelism of the axes of the pulley and the flywheel should not exceed 2 mm.
Parallelism of the axes of the pulley and flywheel can be ensured by achieving parallelism of the end surfaces of the pulley and flywheel.
The location of the grooves of the pulley and flywheel against each other can be provided by the relative position of the end surfaces of the pulley and flywheel.
The end surfaces of the pulley and flywheel are mutually located relative to each other at a distance:
- for the compressor head model S415M (S 415 M, S-415M1) - 16 mm;
- for the compressor head model S416M (S 416 M, S-416M1) - 12 mm.
Rice. 13. Safety valve.
1 - saddle; 2 - body; 3 - insert; 4 - stock; 5 - locknut;
6 - adjusting nut; 7 - the head of the explosion; 8 - spherical washer;
9 - spring; 10 - guide sleeve; 11 - spool.
Rice. 11. Dehumidifier:
1 - body; 2 - saddle; 3 - valve; 4 - guide.
9.5. Unscheduled repair of the Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1) is a repair not provided for by the schedule and caused by a malfunction. With a good organization of the preventive maintenance system, unscheduled repairs should not take place.
9.6. During operation of the Bezhetsk piston compressors S415M (S 415 M, S-415M1), S416M (S 416 M, S-416M1), the temperature of the walls of the compressor head, depending on the ambient temperature (up to + 40 ° C), can reach about
+ 170°С.
Table 5
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Do-it-yourself repair of a compressor from 416 m
I wash with gasoline. Pumps your compressor for a very long time of course, you need to do an audit
What is the best way to flush the compressor before changing the oil? I bought k31 (11kw motor and s416m piston). He pumps 190l to 9atm in 2:40. Is that long?
Igor Ivanov 2 meses atrás
Hello. Should the plugs be tight?
hello igor ivanov. Yes
Mikhail Ryabokon 4 meses atrás
Greetings . What is the resource of the 416 head, how is it in service. There is a question about buying a new compressor for painting, we choose between 415 and 416 heads, which is less capricious and unpretentious in operation.
Everything about everything 4 dias atrás
Mikhail Ryabokon sir. Why are you asking this? Claimed at 416 heads 1100 liters. And this is at 10 atmospheres! Are you painting at 10 atmospheres? Maximum 3-4 atmospheres.
Mikhail Ryabokon 4 meses atrás
Mikhail Ryabokon good 415 pumps about 650 - 680 lm
Mikhail Ryabokon the declared output is 1100 lm, in fact it pumps about 1250
Mikhail Ryabokon 4 meses atrás
For painting, you need 420 - 450 liters per minute, will 415 have time to rest or will it thresh without rest ??
Yaroslav Moroz 4 meses atrás
Thanks for the video very helpful! Tell me if the interchangeability of the oil pump gears in GSV 0.6 / 10 from a car? Restoring the head of the compressor and the gears of the polomona
Yaroslav Moroz 4 meses atrás
I would be very grateful. I want to restore the poor fellow))) the previous owner ruined.
Hollow. I can measure the length tomorrow.
Yaroslav Moroz 4 meses atrás
The question is the full length of the scoop and its diameter. And does it go with a tube or is it hollow? Tell me please
Yaroslav Moroz 4 meses atrás
For that, the head is working .. and not metal)))
Front rear crankshaft cover 2mm, cylinder block crankcase 1mm, cylinder block valve plate 0.5mm, side covers 2mm, flanges 2mm. It’s better to put your own in the valve plate, there is fluoroplastic.
Tony Hurtman
Tony Hurtman for nothing. There will be questions, write
My pleasure). What exactly? they are different
Anton Kozyrev 5 meses atrás
EVG would like to know the thickness of all gaskets. They ask a lot for factory ones
Anton Kozyrev 5 meses atrás
Hello. Thank you for the video. I would like to know how thick the factory gaskets are?
Andrey Kaimuldinov 7 meses atrás
Andrey Kaymuldinov, well, this is his younger brother)))
Gaz 67 9 meses atrás
Thank you very much for the video! And what, the finger in the HP piston, is fixed only by this convex plug and that's it?
Gas Sixty-seven good evening. yes, just those two plugs.
Roman Zorin 9 meses atrás
Zhen, hello! The front thick gasket was replaced with two cut out ones, the total thickness is 1.8 mm. Nothing clings anywhere, everything is ok.
Roman Zorin 9 meses atrás
Evgeny Serov, pulled the cover well. Let's see how the pads hold up.
Roman Zorin. Hey Rom. And there will not cling to anything)) it’s just that the cover may not be completely pressed against the crankcase.
The specialization of our service center is the repair of compressors manufactured in the city of Bezhetsk at the Avtospetsoborudovanie (ASO) plant. On this page, we bring to your attention information on the cost of repairing air compressors based on the C416M head. We are also ready to accept separately the compressor head c416m for repair.
Our service center is equipped with all the necessary equipment and tools for repair work. Also, for the convenience of customers, our SC has a forklift, a stacker and a crane. The service center staff has extensive experience in carrying out such work and carries out all work on the basis of the manufacturer's documentation.
A 3-month warranty is provided for the repair work performed.
At the request of the customer, services can be provided on the road.
Comprehensive diagnostics
Partial disassembly of the compressor head in order to identify the current state of all elements. Checking the condition of the electrical part and bearings of the electric motor. Checking the operation of the check and safety valve.
Average repair at 5000 hours
Complete disassembly of the compressor head, as well as cleaning of carbon deposits and oil slag: cylinder block, piston bottom, piston rings, internal cavities of the cylinder head cover. Replacing piston rings, a complete revision of the valve block with the replacement of valve plates, checking the connecting rods for fatigue cracks. Replacing bushings on connecting rods. Control inspection of the connecting rod bolt and checking the fit of the support planes. Changing gaskets, oil, air filters and belts.
Overhaul after 12500 hours of operation
During a major overhaul, the following is performed: complete disassembly of the compressor head, work provided for during an average repair, replacement of all worn parts and assemblies in order to return the original parameters provided for by the technical characteristics of the compressor.
Standard hour cost
If work is required that is not included in the average or major repairs, then their cost is calculated based on the time spent by the service engineer
Departure of a specialist in Moscow within the Moscow Ring Road
If travel outside the Moscow Ring Road is required, then an additional 30 rubles are added for each km
* The cost of works does not include spare parts and other consumables.
** For compressors K-3 and K33, the cost for the repair of 1 head is indicated.
We work with both individuals and legal entities.
Payment for repairs is made by bank transfer, upon agreement with the manager, it can be made in cash.
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- Compressor units S415M and S416M are designed to provide compressed air to garages, car farms, service stations, gas stations, as well as car repair and tire repair shops.
- The units are designed to operate under the following conditions: height above sea level is not more than 1000 m; ambient temperature from 283K (+10°С) to 31ZK (+40°С); relative humidity of the environment up to 80% at a temperature of 298K (+25°C).
- remove the protective cover;
- adjust the operating pressure range (Poff and P) - to do this, rotate the nuts on both studs (of equal diameter and located nearby) by an equal number of turns, compressing or releasing the spring;
- adjust the difference (AP) between the cut-off pressure (Poff) and switching pressure (P) - to do this, rotate the bolt (it is located next to the studs and holds the spring of a smaller diameter), compressing or releasing the spring.
- remove the protective cover;
- adjust the operating pressure range (Poff and Rwet) - to do this, rotate the screw by the required number of revolutions, compressing or releasing the spring;
- differential pressure (DR) at the relay is fixed (0.2. 0.3 MPa), not reconfigured,
Roma-Z (21 December 2016 – 17:32) wrote:
If the wear is with a clear step, then the cylinder may also be replaced. But do not rush to be disappointed, it may be enough to put new rings.
But if the piston is no longer round in a skirt, then most likely they did not follow the oil, it may have coked and evaporated (in consistency like young honey and black), as I had,
there's a lot to be done.The main thing is to see if the connecting rods are blue (they turn blue from overheating), if they hang out in their places. So gradually determine what to replace and what will work.
For some reason, no one asks the status of the valve head. And this is the most responsible and often dying node.
Piston and connecting rods are not a problem at all, in my opinion, everything is sharpened, and even bought. In general, everything is bought for repair. This is a big plus!And for some reason they don’t ask, why is my compressor shaking like a dog? How to balance it?
What, everyone doesn’t jump anywhere after a bulkhead?
I walked around the shop until the pulley balanced.
In general, this compressor is shit for me, as often happens in mass-produced Soviet technology. Produced not by quality, but by quantity. The technique is not licked.
It is necessary to look for a live screw, this is a technological unit.Post has been editedmetromaxi: 22 December 2016 – 03:35
Forum on compressors, compressor equipment, equipment and technologies
alg75 » Oct 31, 2013, 08:39 PM
Fulcrum » Nov 01, 2013, 03:39
alg75 » 01 Nov 2013, 18:56
Fulcrum » 02 Nov 2013, 14:43
air system » Nov 05, 2013, 06:21
alg75 » 05 Nov 2013, 19:04
Fulcrum » 09 Nov 2013, 17:02
air system » 09 Nov 2013, 17:11
alg75 » Nov 09, 2013, 21:30
Fulcrum » Nov 12, 2013, 00:31
model С415М
Compressor unitCertificate of Conformity No. ROSS RSH. AJ 40. In 20054.
Valid until October 26, 2007.
1. PURPOSE OF THE PRODUCT
^ 2. TECHNICAL DATA
The technical parameters of the units are listed in Table 1.
2.6 Overall dimensions, mm, no more
^ 3. COMPOSITION OF THE PRODUCT AND SUPPLY SET
The product (Fig. 1 and 2) includes: compressor head 1, air collector (receiver) 3, engine 4, drive belts 5, guard 2, air duct 6.
3.1. Completeness of delivery for compressors is given in Table 2.
3.1.2. Passport C415M O0.O0.OOO.PS,
3.1.5. Components:
3.1.6. Spare parts (when the compressor is equipped with a direct flow valve):
3.1.7. Spare parts (when equipped
strip valve block compressor):
3.2. A packing list and shipping documentation is supplied with the compressor.
^ 4. DEVICE AND PRINCIPLE OF OPERATION
The compressor head and the engine are mounted on the receiver. The transmission from the engine to the crankshaft of the compressor is carried out by two V-belts V (B) 1800 for the S415M compressor and three V (B) 1900 for the S416M compressor. The belts are tensioned by moving the engine along the plate with the help of adjusting bolts. The transmission has a mesh fence. Compressed air from the compressor head to the receiver is supplied through the air duct.
4.1.1. The compressor head (Fig. 3 and 4) consists of the following main parts.
Carter compressor (Fig. 5) is made of gray cast iron. Bearing housing 1 and bearings 2 and 6 of crankshaft 5 are installed in the bores of the end walls of the crankcase.
The windows in the side walls are closed with covers 8 (Fig. 3 and 4). To ensure the tightness of the side cover-crankcase connection, AVKO high-temperature silicone sealant was used. Cylinder block 2 is attached to the upper plane of the crankcase through a sealing gasket (Fig. 3 and 4).
2
Reference:42
Cylinder block made of gray cast iron with cooling fins.Cranked the shaft (Fig. 5) is steel, stamped, mounted on two bearings No. 1309. A flywheel-fan 6 is installed at the output end of the crankshaft (Fig. 3 and 4).
connecting rods 5 (Fig. 6 and 7) are stamped steel. The lower heads of the connecting rods are detachable with liners 8 from the engine of the GAZ-51 car (part VK-51 -1000104) and are pulled together with connecting rod bolts 7 (part VK-53-1004060).
Bushings 5 from the engine are pressed into the upper heads of the connecting rods ZIL-120 (part 130-1004052).
The connecting rod of the low pressure cylinder is lighter.
Piston 1 low-pressure cylinder (Fig. 6), 108 mm in diameter, made of aluminum alloy from the ZIL-375 engine (part 375-1004015-Az).
Three compression rings 2 are installed on the piston: two upper (item 375-1004030) and lower (item 375-1004025); one combined oil scraper ring, consisting of an axial expander 10 (item 375-1004039), a radial expander 11 (item 375-1004038) and two flat annular disks 12 (item 375-1004041).
The piston is connected to the connecting rod by a pin 3 of a floating type (item 111-1004020), which is kept from axial movements by two retaining rings 4 (item 120-1004022).
Piston 1 high pressure cylinder (Fig. 7), 52 mm in diameter, cast iron. The piston has three compression rings 2 from the compressor of the ZIL-120 car (item 120-3509164A) and one oil scraper.
Piston pin 3 floating type from axial movements is held by two plugs 4. The diameter of the pin is the same as the pin of the low pressure piston.
To ensure the normal operation of the compressor, the clearances between the piston and the cylinder must be set within the limits indicated in table 5.
Compressor head parts are lubricated by oil splashing and oil mist.
To do this, on both connecting rods of the C415M compressor head and on the second and fourth (counting from the flywheel) connecting rods of the C416M compressor head, sprinklers are installed at an angle of 13 ° to the longitudinal axis of the connecting rod.
The sprinkler is a rod tightly planted in the hole in the connecting rod cap.
In addition, two holes are drilled in the large head of the connecting rods at an angle to each other and converging into one - these are pockets for collecting oil and supplying it to the connecting rod journals. The top bearing has a center hole drilled to match the hole from the converging “pockets” on the crank.
Breather 4 (Fig. 5), mounted on the crankcase cover, serves to communicate the internal cavity of the crankcase with the atmosphere.
To control the oil level in the crankcase, dipstick 5 (Fig. 3 and 4) is installed on one of the side covers.
^ Valve block (Fig. 8) consists of two valve boards: upper (with a cooling fin) 1 and lower 2, connected through a gasket. The valve boards are made of gray cast iron. The valve block contains two suction and two discharge valves and represents a single valve system.
The suction valve of the low-pressure cylinder consists of a valve seat 6, two separators 5 that protect the valve plates from displacement in the horizontal plane, and a rosette 4 that limits the deflection of the valve plates. Four valve
3
plates with a thickness of 0.22 mm overlap the grooves in the saddle and are working elements.The discharge valve of the low pressure cylinder consists of four valve plates 0.36 mm thick (which cover the holes in the valve plate), two separators and a socket.
The suction and discharge valve of the high pressure cylinder has one 0.36 mm thick valve plate each located in the guide seat. The valve is kept from longitudinal movement by pins.
^ Air filter 3 (fig. 3 and 4) is mounted on the suction flange of the cylinder head.
Air entering the filter passes through a filter element made on the basis of ultra-thin glass fiber and is directed through a pipe into the suction cavity of the cylinder block cover.
The compressor is cooled by the air flow created by the blades of the flywheel-fan. The direction of rotation must be such that the air flow is directed towards the compressor head.
The cooling system maintains the normal temperature of the compressor parts, oil and interstage air cooling.
The collector is also a damper for compressed air pulsations.
^ Relief valve installed on the manifold is a signaling device in case of malfunctions in the valve system.
The valve is regulated to a pressure of 0.45 ± 0.03 MPa. With an increase in the above pressure, the spring, compressing, releases the ball, and the valve communicates the collector with the atmosphere.When the pressure drops to normal, the ball closes the hole in the body under the action of a spring. The spring is adjusted with a nut and fixed with a lock nut. Body, valve head and locknut are sealed.
Pneumatic unloader (Fig. 9) is mounted on the manifold. Serves to unload the compressor motor at start-up.
The pneumatic unloader is adjusted so that the valve closes 15 seconds after starting. Adjustment is carried out with a nut 7 and a lock nut 6.
The receiver (Fig. 10) is a steel welded vessel with convex elliptical bottoms, having four supports.
On the receiver are installed: control unit 1, which includes: pressure switch, safety valve; pressure gauge for air control; check valve block 2, dehumidifier 3, terminal box 4, dispensing valve 5.
Compressed air through the discharge pipeline, through the check valve (Fig. 14) enters the receiver. The non-return valve prevents the compressed air from the receiver from returning to the compressor head when it stops.
A dehumidifier is used to remove condensate from the receiver (Fig. 11).
When the pressure in the receiver drops to atmospheric, i.e. after the compressor is turned off and the residual pressure is bled from the receiver, the glass valve 3 pops up in the presence of condensate and opens the drain hole in the housing 1. After draining, the valve closes.
To maintain the pressure in the receiver necessary for operation within the specified values and to automatically turn on and off the engine, a pressure switch is used (Fig. 12).
Rice. 19. Compressor slinging scheme model C415M.
Rice. 18. Electrical circuit diagram and connections
40
Principle pressure switch by a foreign company is based on a comparison of the forces arising from the pressure of compressed air transmitted by the membrane and the forces of elastic deformation of the spring. There is a switch on the relay for manual control of the compressor motor.^ Setting the pressure switch MDR 2/11
The MDR 2/11 relay is configured as follows:
In which direction to rotate the nuts indicate the adjacent arrows; The + (plus) sign next to the arrow indicates an increase in the working pressure, - (minus) next to the arrow indicates a decrease in the working pressure.
Setting relay pressure MDR1/11
The MDR 1/11 relay is configured as follows:
In which direction to rotate the screw indicate the adjacent arrows. The + (plus) sign next to the arrow indicates an increase in the working pressure, - (minus) next to the arrow indicates a decrease in the working pressure.
The number of turns to turn the nuts or screw at relay setting, is determined directly on the compressor unit empirically, while the change in pressure is determined by the pressure gauge on the receiver.
Video (click to play). The pressure switch allows to adjust the pressure from 0.4 MPa to 1.0 MPa with a difference from min 0.2 MPa to 0.3 MPa.
metromaxi, I forgot to say thanks for the tip on the liners. Thank you =) True, I found it near the house, the guys are engaged in the restoration of old equipment, just from 51 gas there were RFPs.
about pistons: a quote from the passport
Piston 1 of the low-pressure cylinder (Fig. 6), with a diameter of 108 mm, made of aluminum
nium alloy from the ZIL-375 engine (part 375-1004015-Az).
Three compression rings 2 are installed on the piston: two upper ones (detail
375-1004030) and bottom (part 375-1004025); one oil ring.
The piston is connected to the connecting rod by a pin 3 of the floating type (part 111-
1004020), which is kept from axial movements by two retaining rings
tsami 4 (part 120-1004022).
Piston 1 of the high-pressure cylinder (Fig. 7), with a diameter of 52 mm, cast iron
gunny. Three compression rings 2 from the compressor are installed on the piston
car ZIL-120 (part 120-3509164A) and one oil scraper.
=======================================================Post has been edited by geras: 21 December 2016 – 16:42
How is LP cylinder wear determined?
No dipstick worth a penny. Do the breather yourself, turner for 15 minutes of work. Bushings and fingers change, fingers for 100 rubles, especially if on ND, from the Urals.
Worse with HP, I don’t know where the piston comes from.
This funny “problem” is similar to the non-delivery of spare parts for a bike (reflectors and a family man).
The shaft must be looked at, maybe quite simply new liners. But even if the repair, this is also not a problem.
You need to look at the cylinders, but if the pistons are intact, then nothing can be done. ))) Change the rings. See not to confuse the rings when installing, the direction of the grooves.
Cylinder with your finger to start. Whispered? And how is it there?Post has been editedmetromaxi: 21 December 2016 – 16:27
