Chang Fa 185 Series Manuale utente

185 SERIES

DIESEL ENGINE

OPERATION MANUAL

Changfa Power Machinery Co.,Ltd

Changzhou, Jiangsu P.R. China

Please read this

operation Instructions,

before operating

CHANG FA

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Changfa Power Machinery Co., Ltd has met the ISO9002 Quality

Assurance System by authentication

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CONETENS

Precaution ………………………………………………………………………………………1

Section One Principal Technical Specification ………………………………………………2

Section Two Operation of Diesel Engine ……………………………………………………4

1. Preparation before Diesel engine ……………………………………………………………4

2. Examination ……………………………………………………………………………………4

3. Start –up of operation ……………………………………………………………………5

4. Examination during Operation ……………………………………………………………6

5. Shut-up of Engine ……………………………………………………………………6

Section Three preservation and Storage…………………………………………………………7

Section Four Maintenance and Service ……………………………………………………8

Section Five Matters Needing Attention in Operation …………………………………9

Section Six Dismounting and Re- assembly ………………………………………10

Section Seven Lighting Generator and Circuit ……………………………………………12

Section Eight Main parts Catalog ………………………………………………………12

1. Engine Body Assembly（Model R185）……………………………………………………13

2. Engine BodyAssembly（Model CF185N and JM185N）………………………………14

3. Condensing Cooling System （Model R185）……………………………………………15

4. Condensing Cooling System（Model CF185N,JM185N）……………………16

5. Cylinder Head Assembly ………………………………………………………………17

6. Piston Rod Assembly ……………………………………………………………………18

7. Crankshaft Assembly ……………………………………………………………………19

8. Camshaft Assembly ……………………………………………………………………20

9. Balance System ………………………………………………………………………21

10. Intake System ………………………………………………………………………22

11. Exhaust System ………………………………………………………………………23

12. Lubrication System ………………………………………………………………………24

13. Fuel System（Model R185）…………………………………………………………25

14. Fuel System（Model CF185N,JM185N）………………………………26

15. Governor System（Model R185）………………………………………………………27

16. Governor System（Model CF185N,JM185N）……………………………………28

17. Injection Pump Assembly ……………………………………………………………29

18. Injector Assembly ………………………………………………………………30

19. The part of Motor starting engine for R185M、CF185M and JM185M……31

Attachment: list of Spares Parts Supplied with the engine shipment ……………………32

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Precautions

1. Don’t touch the heating and turning parts.

2. Don’t let those people enter into the operating place, for the children, slow-action old man,

epileptic or the man who has no disposing capacity.

3. Don’t make the engine operate for a long time without operator.

4. As for the performance, please read the performance specification attached for reference Don’t

operate the engine in over-speed and over-load.

5. After starting, allow the engine idle operating in 3~5minutes and it is prohibited to run the

engine in high speed and over-load.

6. Don’t set the adjusting screw of governor system to make the engine operate in over speed.

7. Don’t shutdown the engine by means of push down decompression lever unless heavy accident

happens

8. Don’t feed the salt-water or dirty water into water tank.

9. Feed and replace the fuel and lubricating oil stipulated in Operation Manual.

10. Feed the lubricating oil in air filter according to the requirement of Operation Manual.

11. Ensure that the red(blue) floater is not below the hopper of water tank during its boiling water

operation.

12. As soon as engine starts, starting handle leave off automatically. It is necessary to hold the

starting handle to avoid it to fly out.

13. In the climate below 0℃, to prevent the cylinder block and head from breaking, the cooling

water should be drained in good time.

14. Firmly fasten the connections between the engine and the working machine and take the

necessary protecting measure in pulley belt area.

15. If there are some trouble occurring, keep the damaged site in original situation and settle it

after consultation between sales agent and repairman.

16. Run in and maintain the engine according to the requirements of Operation Manual.

As the diesel engine is now improving constantly, and there maybe some difference

between the manual and the diesel engine, and we will correct it when we revise the manual,

Please forgive us for this matter.

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Overall and Mounting Dimensions of R185 Diesel Engine

Overall and Mounting Dimensions of CF185 Diesel Engine

700

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Section.one. Principal Technical Specifications

Model R185（M）, CF185（M）, JM185（M）R185N,CF185N, JM185N

Type Single-cylinder, horizontal, four-stroke, Water cooling

Cylinder bore 85mm

Piston stroke 90mm

Piston displacement 0.51L

12-hour power 5.88 kW

1-hour power 6.47kW

Rating rotation speed 2200r/min

Compression ratio 21

B．M．E．P．628kPa

Specific Fuel consumption ≤274.7g/kW·h ≤281.5g/kW·h

Injection pressure 13.5±0.5 MPa

Cooling method Water-evaporative Water-radiator

Starting method Hand starting (motorstarting) Hand starting

Net. Weight ≤95kg ≤98kg

Overall dimensions 700×390×570 730×390×570

Intake valve 0.25±0.05mm

Valve clearance (cold

engine) Exhaust valve 0.25±0.05mm

Torque of cylinder head nut 190 N·m 210N·m

Torque of flywheel nut 260N·m～300 N·m

Torque of connecting rod bolts 70 N·m ~90 N·m

Fuel injector type P664

Fuel injector nozzle ZS4S1A

Fuel injection pump

type B11-02A fuel injection pump

Generator Flywheel AC generator

Intake valve

open 16º before T.D.C.

Intake valve

close 38º after B.D.C.

Exhaust valve

open 50º before B.D.C.

alve

iming

Exhaust valve

close 14º after T.D.C.

Fuel injection timing 16º±1º before T.D.C.

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Section Two Operation of Diesel Engine

1. Preparation before Operation

1.1 Check the bolt of engine bed and tension of pulley

belt.

1.2 Remove the exhaust pipes. Put the starting crank

in the starting shaft, turn the De-compression

lever with your left-hand and crank the engine to expel

out the anti-rusting oil applied in the cylinder

until no oil flows out from the exhaust port. Then reinstate

the exhaust pipe (see Fig.1.)

1.3 Diesel fuel

Use light diesel fuel #0 in summer, # -10 or # -20 in winter.

Caution: Pour clean diesel fuel into fuel tank. Do not get into any dust.

1.4 Lubricating oil

Use lubricating oil # CC15W/40 in summer or #CC15W/30 in winter.

Caution : The level must not go over the upper line, nor fall down below the lower one on

the dipstick, when the engine is in operation.

1.5 Let the engine run in for 20 hours, subject to light load. After running fore a period, retighten

any bolts and nuts that are loose.

Renew the lubricating oil after 40 hours of operation. Renew again after 60 hours and

thereafter once every 100 hours.

2. Examination before Start-up

2.1 Cooling system

⑴Cooling water

①In high temperature operation, hard water and dirt water shall about the sediments, which

are stuck on the parts in the cooling system. They are low in diathermancy and block the pipes

resulting in bad cooling effect. The clean soft water shall be used in cooling system.

②Water Tank

Pour the cooling water into the water tank

Below the bottom of hopper.

(2) Condenser

①Unscrew the water-filling cover.

②Fill cooling water fully.

③Screw the water filling cover again.

④Check the tension of fan belt and

adjust by changing the position of tension

pulley. When adjusting , a force of 19.6N.m～

29.4N.m is exerted on the middle of belt with finger. It is Fig.2. Adjusting the

Decompression lever

Oil indicator

Fig.1 Expelling antirust oil

About10 m

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tension of belt

appropriate tensity for belt to leave away 10 mm distance from original

position(See Fig.. 2).

2.2 Lubricant oil

（1）Check the oil level in engine oil tank with oil dipstick, nearly

close to the upper scale line on oil dipstick (See Fig.. 3).

（2）When checking ,do not make the oil dipstick enter into screw

hole and keep the diesel engine in horizontal position.

（3）Check the lubricant flow in circulation. Hold the relief handle with left hand and slowly

crank the starting until the cap of oil indicator rises（See Fig .4）.

if it does not rise , it means there some faulty in lubricating system.

Model CF185N or JM185N engine adopts a diaphragm

oil-indicator, it means the pipeline works normally.

2.3 Fuel

（1）Fill he cleaning diesel fuel in fuel tank as required

according to the ambient temperature. When filling, the tools for

filling should be clean. Don’t allow dust or dirt gets into the tank.

（2）Open the fuel switch on.

2.4 Air cleaner

Unscrew the cap of air cleaner and add the engine oil to the level

shown in Fig.5（or depending on the nameplate on housing）.

3. START

3.1 Start-up diesel engine with the starting handle (See Fig.6).

（1）Insert the starting handle on starting shaft.

（2）Crank the starting handle and engine oil circulating.

（3）Pull the governor handle to“run”position. Move the Decompression lever and crank the

starting shaft at same time, hearing the injecting sound from the injector. If no injecting sound

Fig.3Checking engine oil

Fig .4 Indicator cap rising

Oil level Decompression level Startin

crank

Governor ha

ndle

.5 Oil Level inAir cleane

Fig.6 Starting engine with handle

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heard, it is necessary to drain the air form oil pipeline.

（4）When normally injecting, speed up rotation of starting shaft and Suddenly release the

compression lever to no-relief position, and then crank the starting handle two or three revolution,

the diesel engine can start.

（5）when the diesel engine has just started, it is necessary to continue to hold the starting

handle until it is pushed naturally from starting shaft.

3.2 Pull the governor handle to middle position and operate the engine for several minutes with no

load.

4. ExaminationduringOperation

4.1 Cooling water

Check the amount in water tank and add the water if

necessary.

As for the condensing engine, it is not necessary to add the water

in condenser. Don’t open the cover to avoid during.

4.2 Lubricating oil

Check the indicator cat rising up in normal condition, if not,

shut off the engine for checking (see Fig.7).

4.3 Exhausting

If the engine exhausts the black smoke, it means overload (See Fig.8).

4.4 Abnormal noise

If an abnormal noise is heard during the operation of engine,

shut off the engine immediately and check for remedy of trouble

5 Shut off of engine

5.1 Unload engine and pull the governor handle to right to allow

the engine to idle several minutes in unloading.

5.2 Pull the governor handle to “STOP” and engine stops(See Fig.9)

5.3 Turn the fuel cock to “OFF”(See Fig .10)

Fig.7Engine oil indicator

Fig.8 Engine exhausting black smoke

run

Sto

Off

Fig.9 Governor handle

Fig.10 Fuel cock

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5.4 If it is forecast that the frozen climate shall be, drain out

the cooling water in water tank, even for several hours (See

Fig 11).

5.5 When the engine has just stopped, Don’t open the cap of

condenser to avoid hurting by hot water.

Section Three Preservation and Storage

1. Drain out the cooling water, Lubricating oil and diesel

Fuel (See Fig.12)

2. Clean the certain parts and components.

3. Shut off intake and exhaust valves:

(1) Turn the flywheel slowly with hand until you feel dragging.

(2) Turn the decompression lever to pull the compressed air out turn the flywheel a further

quarter revolution until its TDC mark is in line with the pointer on the hopper or fan cover, it

denotes that two valves are closed (See Fig. 13).

4 A dust cover is put over the engine, which is cooled. The diesel engine should be stored in clean

and dry place.

Fig.11 Draining out cooling water

Fig.12 Draining lubrication oil and Fig 13 Piston located in top dead center

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