Daewoo ST Series Instruções de Operação descarregar pdf (Página 72)

•

Rocker arm shaft diameter

With an outside micrometer, measure

the rocker arm shaft diameter at the

point where the rocker arms have

been installed.

Replace the rocker arm if the amount

of wear is beyond the specified limit.

2) Rocker arm

•

Visual check

Visually check the face of the rocker arm in contact with the valve stem end for scores and

step wear. If the wear is small, correct it with an oil stone or grinding paper of fine grain size.

Rocker arm with a considerable amount of step wear should be replaced.

•

Diameter of the rocker arm bushing

Measure the inside diameter of the

rocker arm bushing with an inside

micrometer or vernier calipers, and

compare the measured values with

the rocker arm shaft diameter. If the

clearance exceeds the limit, replace

either bushing or shaft, whichever

worn more.

3) Tappet and push rod

•

Clearance

Measure the clearance of the tappet and tappet holes of the cylinder block. If the value is

beyond the specified limit, replace the tappet.

- 69 -

Standard Limit

23.939 ~ 23.96 mm 23.75 mm

EA8M3002

EA0M4059

Standard Limit

0.020 ~ 0.093 mm 0.25 mm

Standard Limit

0.035 ~ 0.077 mm 0.1 mm

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Daewoo ST Series Instruções de Operação Página 72