Weifang 495 - Page 91

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ere

e}~

In

order

to

ensure

the

evenness

of

fuel

delivery

to

'every

cylirlder,

the

parts

for

each

cylinder

should

not

be

interchanged

each

other

optionally.

f).

'[he

end

play

of

the

pump

ca.mshaft

should

be

c!cljt:stedto

o.

()5

-

o.

15

mm

by

shirns

so

that

tIle

carnshaft

carl

be

rotated

freely

after

the

adjustment.

g)~

The

barrel

is

installed

in

the

upper

housingof'the

injection

pump

;and·should

not

be

able

to

rotate

after

the

locating

screw'

'is

fastened,

but

it

is

able

to

mo\'e

up

and

down

slightly

before

the

de-

liveryvalv·e

assembly

is

installed.

h).

W~hen

the

piunger

reaches

top

end

of

its

stroke:,the

cJear-

anc·ebetween

the

top

surfaces

'of

the.

plunger

a'nd.

the

barrel

must

be

larger

than

o.

3

mm

to

prevent

the

plunger

from

damage.

i)

._1"he

specified

torque

for

tightening

the

delivery

valve'

hold-

er

is

49-59N.

ffi4

j).

Make

the

opening

of

the

circlip

on

the

control

rod

.closet:

!b

aviod

any

accident·

due

to

its

dropping

off

in

operation.

k).

III

the

whole

process

of

assembling

,check

'and

see

allmov-

ing

parts

are

able

to

move

smoothly

especially

the

control

rod,

which

should

be

able

to

slide

freely

while

the

cam

'is

in

any

posi-

tion.

1).

'fhe

same

lubIoicating oil

as

that

used

in

the

engine

should

be filled

into

the

governer.

~

_.-

-b.

T'he

a,djustment

of

Injection

Pump

and

Governor

.

a).

C·heck

tile

fuel

delivery

timing

interval

(i).

Mount

an

overflow

tube

of

2mm

in

inner

diameter

on

the

deliveryvalv'eholder

of

the

first

cylinder

and

keep

.the

plunger

stay

at

the

position

of

delivering

the

maximum

ftiel

quantity.

56

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