Chapter Iii Maintenance; Daily Care; Maintenance After Running Every 100H - FAW Jiefang Automotive 485 Operation & Maintenance Manual

To prolong the service life of the diesel engine, following maintenance procedures should be
followed.
1. Check the engine-oil level in the crankcase sump if it is between the two scale marks and
close to the upper scale mark. For an engine that is new or has not been used for long time, after
the engine-oil is filled to the upper scale mark, run the engine at a low speed for 5～10 min then
stop it, and measure the oil level with the oil dipstick.
2. Check the water amount in the heat-radiator.
3. Check the engine-oil level in the speed regulator of fuel-injection pump, and add oil to
specified position if found insufficient.
4. All oil-, water- and gas-leakage in the engine should be eliminated.
5. Check each part/device on the engine for their correctness and firmness.
6. Check if the support connected to engine is secured and other driven equipment if
connected properly.
7. Keep the engine clean. Use dry cloth or cloth with dipped gasoline to clean away oil stain
and dust, pay special attention to the dry and clean condition of electrical equipment.
8. For a new engine, after running for 50h at light-load, it is necessary to change the engine
oil (including the oil in speed regulator of fuel-injection pump) and the element of engine-oil filter,
and to clean the crankcase sump and engine-oil filter.
9. Eliminate the faults and abnormal phenomena if found any.
In addition to the instructions in "Daily care", followings should also be performed.
1. Change the engine-oil in the crankcase sump.
2. Clean or replace the element of engine-oil filter.
3. Replace the element of diesel-oil filter (it can also replaced after 200h).
4. Check the bolts on the cylinder cover if secured.
5. Check if valve lash or clearance conform to requirement and adjust it if necessary.
6. Check the tension of fan belt and adjust it if necessary.
7. Inject some lube grease into the parts with a grease cup.
8. Clean away the carbon/soot deposited in air-intake and gas-exhaust pipes and muffler.
9. It is necessary, after running every 200h, to check fuel injector for its pressure and
atomization conditions, and clean or adjust it if necessary.

Chapter III Maintenance

I. Daily care
II. Maintenance after running for every 100h
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