Yangdong Co. Y90 Series Manuel de service télécharger pdf (Page 19)

OPERATION&MAINTENANCE MANUAL

1、Check the oil level is under the gauge rated range. New machine or long time no

used machine should stop after five～ten minute low speed running when gas. Then

use gauge measure the oil level.

2、Check the water level of heat changer

3、Check the oil level on the oil pump of the governor whether if at rated level.

4 、Exclude the leakage situation of water, oil and gas on the diesel engine.

5、Check the fasten class and the layout correction of parts on the diesel engine.

6、Check every holding parts and connectors whether if connect well.

7、Pretend the clear of diesel engine. Use the duster that diped some gas to clear oil,

water, and dust especially make sure the clear and dry of electronic equipment, also

clear the dust of the heat sink on the water tank

8、Should replace the oil at the oil house, oil pump and governor at once after the 50

hours running, and wash clear the oil filter, the oil house and the oil filter net.

9、Eliminate all faulty and unmoral situations.

2、Maintenance after 100 accumulated operating hours

Except the daily maintenance, make sure to do the following as well:

1. Replace the sump oil.

2. Clean or replace oil filters.

3. Clean or replace diesel filter (after working continuously 200 hours).

4. Check the bolt firmness of cylinder

5. Check Valve Gap to measure up, adjusted it if necessary.

6. Check fan belt tension extent, adjust it if necessary.

7. Oil ZG-4 lubricant into the water pump bearing with grease gun.

8. Clean the dust accumulated in the air inlet pipe, dust pan of the air filter and on

the surface of paper filtering core, and remove the dust inside the air exhaust pipe

and the muffler.

9. After 200 hours running in total, check the oil injection pressure and the injection

status. Clean the needle valve parts if necessary, and re-adjust the oil injection

pressure.

10. Check the battery voltage and liquid proportion, which shall be 1.27-1.28(when

the air temperature is 20°C).If the proportion drop to 1.14,charge the battery. The

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Yangdong Co. Y90 Series Manuel de service Page 19