Weifang 495 - Adjustment and Maintenance

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is

gathered

in

this

discharger.

A

duck

bill

shaped

opening

is

pro-

vided

at

the

lower~'rld

of

the

discharger

to

discharge

the

dust

auto-

matically

while

the

engine

is

in

operation.

2.

Adjustment

and

Maintena'nce

. .

1).

While

in's;lalliri:'g

~he

injectio~

,pump,

attentioQ

must

be

paid

to

tha~!he

ang~1c.t:t"~~~~1fi6n-

-of-theke;~ay

orf;he

f;~nt

end

of

the

i

._._.';

. ,

:~

injection

pump

damshaft'should

be

of

90°

apart

with

the

same

on

';

.

•.

• i

:~!

the

rear

end

of

the

1comptessot

spline

shaft

as

sho~n

in

Fig.

37.

The

position

of

iliq,~centre

line.

of

the

keyway

on

th~iear

end

of

the

spline

shaft

is

-cbitespondingto

the

position

of

the

mark

on

the

flanged'eonnectQr7Viewin'g

fr().m

the

front

end

,of

the

tractor

,if

ro-

'.:'

,.:.

-

tate

the

marking

on

the

rim

o(-the

flanged

connector

for

90°coun-

~

~

terclockwise,

the

new'

posl~tion

of

the

marking

is

just

at

the

angular

position

of

the

k~yway

centreJine

on

the

injection

pump

camshaft.

Any

mi'splacemenlot·lli.~m-will

result

infailin~.jo

start

the

engine.

After

installing

th~tn

correctly;corresponding>rtl:arks

can

be

made

on

the'

injection

pump

connecting

flange

arietSthe

flanged

connector

respectively

to

prevent

them

from

misalignment

next

time.

2).

If

it

is

necessary,

the

two

bolts

fastening

the

flanged

con-

'nectar

and

the

flanged

disc

may

be

loosened

for

adjusting

the

fuel

delivery

advance

of

the

injection

pump.

Viewing

from

the

front

end

of

the

tractor

,'rotate

.

the

flanged

disc

Clockwise in

respe~t

to

the

flanged

connector,

the

fuel

delivery

,advance

i~creases

,"yise

verse.

~~a.gg~r

th~:

c,Q,rr~sponding

ffiq..rkings,on_.,th:e

£laflg.ed,

cq,:Q.nec:tor

a~d

.

the

Jlan~ed

disc.

by

one

.

diy~sion

',the

fuel

dHliverya~v<1-_~ce,

will

i,?;

cr.ease,.o~r

q.ecrea&e.by.

8~

(cr~nk

angle).

. )

,.-

.

.....

.

_...'

-~

;.

~

..

~

.

.,

.

_.

.-'

.

114

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