Datsun BLUEBlRD P 410 Series User Manual

Valve
Grinding
7
Before
replacement
of the
cyhnder
head the
valves and theIr seats
should
be
exammed
for
SIgnS
of
pIttIng
or burnt
patches
and distortIon
If
these
condItIOns
are
present
the
valve
seats must
be recut before
attempt
mg
to
gnnd
m
the
valves whllst dIstorted
valve heads should
be
trued
or
the
valve
renewed
Only
the
mmlmum amount of metal
should be removed
m
the
turnmg
process
When
gnndmg
a valve onto
ItS
seahng
the valve face should be
smeared
hght
ly
WIth
gnndmg
paste
and
then
lapped
m With
a
suctIon
type gnndmg
tool The
valve must be
ground
to
us seat
WIth a semI
rotary
motIron
A
hght
COlI
spnng
mterposed
between the valve
head
and the
port
WIll
assist
conSIderably
when
hftmg
the
valve m order
to rotate
the
face
to a dIfferent
pOSItIOn
ThIS should
be done
frequently
to
spread
the
gnndmg
compound evenly
It
IS
necessary
to
contmue
the
gnndmg
process
untIl an even matt surface
IS
produced
on the
seatmg
and the
valve
face
On
completIon
the valve seats
and
ports
should
be
throughly
cleaned With
gasohne
soaked
rag
and dned
and
the
subjected
to a
compressed
aIr
blast The
valves should be washed
m
gasohne
and all
traces of
gnndmg
compound
removed
VALVES
Valve
head
dIameter
Intake valve
Exhaust valve
Valve seat
WIdth
Valve stem
outer dIameter
both
mtake and
ex
Overall
length
Intake
valve
Ex valve
34
798 34 935
mm 1
370
1 375
m
30
023 30
ISO mm 1 182 1 187
m
1 63 i O 015
mm
8
6805
8 6932 mm
0
341 3 4
0
342
1
4
m
J
109 54 mm
4
5 16
m
108 74 mm 4
9
32 m
VAL
VE
GUIDE
Length
Intake valve
Exhaust
valve
Outer
dIameter both mtake
and
exhaust
Inner dIameter
both
mtake
and
exhaust
Inner dIameter
at
gUlde
mlet
to msert
both
mtake
and exhaust
Clearance
of valve
stem
and
guIde
both
mtake and
exhaust
47
63
mm
1
7 8 m
57 94 mm
2
9 32
m
14
313
14 440 mm 0 5635 0 5685 m
8
733
8 860 mm 0 3438 0 3443m
14 3 mm 0 5634
m
O 0394 0
0648 mm
0
0015 0 0025 m
23

Datsun BLUEBlRD P 410 Series Specifications

General

Brand	Datsun
Model	BLUEBlRD P 410 Series
Category	Automobile
Language	English