Weifang 495 - Page 65

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decompressor's

shaft

to

the

decompressing

position,

loosen

the

locking

nuts

of

adjusting

screws

on

the

first

and

second

cylinder

and

turn

the

adjusting

screws

to

make

them

just

touching

the

rocker

arm

heads

of

the

intake

valves.

Turn

the

screws

for

1-1.

5

turns

further

to

make

the

intake

valves

open

by

1-1

..

5·

mm,

and

then

lock

the

screws

with

their

nuts

.

.L~fter

completing

the

adjust-

ment

of

the

first

and

second

cylinders,

turn

the

flywheel

for

one

more

revolution

to

lift

the

piston

of

the

fourth

cylinder

up

to

the

top

dead

center

in

its

compression

stroke

,Adjust

the

valve

decom-

pressor

travels

on

the

third

and

fourth

cylinders

by

the~

saIne

method

as

shown

in

Fig

..

8.

Fig.

8

Adjusting

decompressor's

travel

30

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