Technical data

OPERATION&MAINTENANCE MANUAL

ring, cylinder cover and air valve sealed surface.

5, The mouths of air inlet and exhaust pipes(muffler) shall be blocked with wood

lid or plastic cloth to avoid immunities enter.

6, Diesel engine shall be placed in dry and clean location with good ventilation.

It shall be covered to avoid dust drop. It is prohibited to pile chemical products near

the diesel engine.

The aforesaid oil sealing method can be used to preserve the machine for 3

months. When exceeding such time limit, re-seal it with oil.

Section 4 Engine adjustment

1、adjustment of valve lash

When carrying repair or technical maintenance to

the diesel engine, it necessary to check the

clearance between the air valves. The adjustment

method for clearance between the air valves and the

distribution structure is as follows(Please refer to the

figure):

1, Dismantle the cylinder cover, check and fasten

the bolt on the air valve rocker shaft stand.

2 Turn the crank to the first cylinder piston stop

position, when the “O” scale on the crank belt wheel

aims exactly with the indicator in the timing gear cover.

3, Insert the thick and thin dividers respectively into

the air and exhaust valves of the first cylinder and the

rocker, check and adjust the clearance between the air

valves and keep the cool clearance between within

regulated valve. After that, according to the cylinder

working order 1-3-4-2 to rotate the crank(i.e. 1800),and

adjust

Figure 1

adjustment of valve lash