Engines Iveco C10,C13, Cursor 10, Cursor 13. Manual — part 23
SECTION 3 - INDUSTRIAL APPLICATION
61
CURSOR ENGINES F3A
Base - May 2007
IGN
A
LLED
ANO
M
AL
Y
BLIN
K
COD
E
ED
C
WA
R
-
NI
NG
LIGHT
P
O
SSI
B
L
E
CA
U
S
E
P
O
SSI
B
L
E
RELATED
ANO
M
AL
IE
S
R
E
C
O
MME
NDE
D
TES
T
S
O
R
ME
ASUR
E
S
REM
A
RKS
Th
e
b
at
te
ry
goes
flat
qu
ic
kl
y.
-
-
P
re
-h
e
atin
g
re
sistor
p
o
we
re
d
conti
nuous
ly
.
Loca
l
o
ve
rh
e
ating
.
Th
e
e
n
gin
e
w
ill
stop
or
won’
t
star
t.
-
-
Fu
el
p
re
-fi
lt
er
cl
o
gged
.
Diffic
u
lt
st
art
w
h
e
n
th
e
en
gi
n
e
is
ei
th
er
h
o
t
o
r
co
ld
.
-
-
Th
e
3
.5
b
ar
valve
on
fu
el
ret
u
rn
is
st
u
ck
o
p
e
n
.
Sligh
t
ove
rh
e
atin
g.
-
-
Eithe
r
0
.3
b
ar
ta
nk
re
tur
n
valve
or
ret
u
rn
p
ip
in
g
cl
ogged
.
A
fte
r
the
ne
w
ve
h
ic
le
h
as
b
een
d
e
liv
ered
,t
h
e
en
gin
e
will
st
op
aft
e
r
a
shor
t
o
p
e
ra
tion
ti
m
e
.T
he
ta
nk
hol
d
s
a
lot
o
f
fu
e
l;
all
th
e
re
st
is
O.
K
.
-
-
Reversed
ta
n
k
su
ct
io
n
/
ret
u
rn
p
ip
e
s.
T
h
ee
n
gi
n
ei
s
fe
d
b
y
th
e
ret
u
rn
p
ip
e
,t
h
e
su
ct
io
n
of
whi
ch
in
the
ta
nk
is
lowe
r.
W
h
e
n
th
e
p
ip
e
su
ck
s
n
o
m
ore
,
th
e
e
n
gin
e
will
stop
.
Red
u
ce
d
p
o
w
er
/
d
iffic
u
lt
en
gin
e
m
an
e
u
ve
rab
ility
.
-
-
In
je
ct
ion
sy
ste
m
/
th
e
en
gi
n
e
o
p
erat
es
w
it
h
o
n
e
cy
lin
d
e
r
failin
g:
-
inj
e
ctor
p
lung
e
r
se
iz
ur
e
;
-
valve
roc
ker
arm
seiz
u
re.
Ov
e
rhe
at
in
g
Eng
in
e
te
st:
cyl
in
d
e
r
e
ff
ici
e
n
cy
te
st
.
If
th
e
tro
u
b
le
is
n
o
t
rel
at
ed
to
el
ec
tr
ic
co
m
p
one
n
ts
(B
link
cod
e
5
.x
),
the
ro
ck
er
arm
h
o
ld
e
r
sh
aft
n
eed
s
b
e
d
isasse
m
b
le
d
.
C
h
e
ck
th
e
roc
ke
r
arm
rolle
r
an
d
b
u
sh
in
g
as
w
e
ll
as
th
e
resp
ec
ti
ve
ca
m
.
Fu
e
l
cons
um
p
ti
o
n
in
cr
e
ase
.
-
-
A
ir
fil
te
r
cl
og
gi
ng
wi
th
no
sign
al
from
th
e
w
arn
in
g
lig
ht
on
the
ins
tr
um
e
n
t
bo
ar
d.
Sm
ok
e
.
C
h
e
ck
the
ca
b
lin
g,
conne
cti
o
ns
an
d
co
m
p
o
n
e
n
t.
62
SECTION 3 - INDUSTRIAL APPLICATION
CURSOR ENGINES F3A
Base - May 2007
IGN
A
LLED
ANO
M
AL
Y
BLIN
K
COD
E
ED
C
WA
R
-
NI
NG
LIGHT
P
O
SSI
B
L
E
CA
U
S
E
P
O
SSI
B
L
E
RELATED
ANO
M
AL
IE
S
R
E
C
O
MME
NDE
D
TES
T
S
O
R
ME
ASUR
E
S
REM
A
RKS
T
h
ee
n
gi
n
ed
o
e
s
n
o
t
re
ac
h
the
othe
r
sp
e
e
d
s
und
e
r
lo
ad
cond
it
io
ns
.
-
-
T
h
e
b
oosting
p
re
ssur
e
se
nsor
p
rovid
e
s
too
h
igh
valu
e
s,
wh
ic
h
,
in
an
y
case,
fall
with
in
th
e
ran
ge
.
Sm
ok
e
.
T
h
e
d
ri
ve
r
fe
e
ls
tha
t
the
e
n
gi
ne
is
not
w
or
ki
ng
co
rre
ct
ly
like
it
d
id
be
fo
re
.
-
-
Im
p
aire
d
h
yd
rau
lic
p
e
rf
or
m
ance
o
f
an
inj
e
ctor
.
Eng
in
e
te
st:
che
ck
-up
Re
p
lac
e
th
e
in
je
ct
or
of
the
cyl
in
d
er
in
w
hi
ch
M
o
d
u
s
d
et
ec
ts
lo
w
er
p
erfo
rm
an
ce
level
s
(c
o
m
p
ared
w
ith
th
e
othe
rs
)
o
nl
y
af
te
r
ve
ri
fy
-
in
g
tha
t
the
contr
o
l
ro
ck
er
arm
ad
ju
st
m
en
t
is
co
rr
ect.
T
h
e
d
ri
ve
r
fe
e
ls
tha
t
the
e
n
gi
ne
is
not
w
or
ki
ng
co
rre
ct
ly
like
it
d
id
be
fo
re
.
-
-
Wr
o
n
g
adj
u
st
m
en
t
o
f
an
in
je
ct
or
co
n
trol
roc
ke
r
arm
.
E
n
gi
n
e
tes
t:
ch
ec
k
u
p
.
P
erfo
rm
co
rrec
t
ad
ju
st
-
m
ent,
the
n
re
p
ea
t
the
en
gi
n
e
te
st
.
Th
e
e
n
gin
e
o
p
e
rat
e
s
with
five
cy
lin
d
e
rs;
n
o
ise
(kn
oc
k).
-
-
P
lung
e
r
se
iz
ur
e
.
Po
ss
ibl
e
o
ve
rh
e
at
in
g.
Eng
in
e
te
st:
cyl
in
d
e
r
e
ff
ici
e
n
cy.
Re
p
lac
e
th
e
in
je
ct
or
of
the
cyl
in
d
er
in
w
hi
ch
the
d
iagn
osis
in
stru
m
en
t
d
e-
te
ct
s
lowe
r
p
er
for
m
anc
e
le
ve
ls
(c
om
p
are
d
w
ith
the
o
the
rs)
.
Re
p
lac
e
th
e
in
je
ct
or
of
the
cyl
in
d
er
in
w
hi
ch
the
d
iagn
osis
in
stru
m
en
t
d
e-
te
ct
s
lowe
r
p
er
for
m
anc
e
le
ve
ls
(c
om
p
are
d
w
ith
the
o
the
rs)
.
-
-
W
rong
ad
jus
tm
e
n
t
o
f
the
in
je
ct
or
co
n
trol
roc
ke
r
arm
(exc
essive
tr
avel)
wit
h
im
p
ac
t
on
the
p
lunge
r
on
the
n
ozzl
e
.
P
o
ssib
le
m
ec
h
an
ic
d
am
age
to
th
e
areas
su
rro
u
n
d
in
g
th
e
in
je
ct
or.
Eng
in
e
te
st:
cyl
in
d
e
r
e
ff
ici
e
n
cy.
Re
p
lac
e
th
e
in
je
ct
or
of
the
cyl
in
d
er
in
w
hi
ch
the
d
iagn
osis
in
stru
m
en
t
d
e-
te
ct
s
lowe
r
p
er
for
m
anc
e
le
ve
ls
(c
om
p
are
d
w
ith
the
o
the
rs)
.
Th
e
e
n
gin
e
w
ill
stop
or
won
’t
st
art
again
.
-
-
P
res
en
ce
o
f
ai
r
in
th
e
fu
el
su
p
p
ly
circ
u
it.
It
m
igh
t
e
ven
n
ot
swit
ch
off;
it
m
igh
t
h
ave
op
erat
ion
osc
illation
s,
or
start,
ye
t
w
ith
d
iffic
u
lt
y
an
d
aft
e
r
m
akin
g
m
any
atte
m
p
ts.
Bl
eed
ai
r.
1
CURSOR ENGINES F3A
SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS
Base - May 2007
Overhaul and technical specifications
Page
GENERAL CHARACTERISTICS
3
. . . . . . . . . . . . .
ASSEMBLY CLEARANCE DATA
5
. . . . . . . . . . . .
ENGINE OVERHAUL
11
. . . . . . . . . . . . . . . . . . . . .
ENGINE REMOVAL AT THE BENCH
11
. . . . . . . .
REPAIR OPERATIONS
12
. . . . . . . . . . . . . . . . . . . .
CYLINDER BLOCK
12
. . . . . . . . . . . . . . . . . . . . . . .
- Checks and measurements
12
. . . . . . . . . . . . . . .
- Cylinder liners
13
. . . . . . . . . . . . . . . . . . . . . . . . .
- Replacing cylinder liners
14
. . . . . . . . . . . . . . . . .
CRANKSHAFT
15
. . . . . . . . . . . . . . . . . . . . . . . . . .
- Measuring the main journals and crankpins
16
. . .
- Preliminary measurement of main and big end
bearing shell selection data
17
. . . . . . . . . . . . . . .
- Selecting the main and big end bearing shells
18
.
- Replacing the timing gear
and oil pump
24
. . . . . . . . . . . . . . . . . . . . . . . . . .
- Checking main journal assembly clearance
24
. . .
- Checking crankshaft end float
25
. . . . . . . . . . . . .
ASSEMBLING THE ENGINE ON THE BENCH
26
.
- Piston connecting rod assembly
28
. . . . . . . . . . .
- Piston rings
30
. . . . . . . . . . . . . . . . . . . . . . . . . . .
- Connecting rods
31
. . . . . . . . . . . . . . . . . . . . . . .
- Bushings
32
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Checking connecting rods
32
. . . . . . . . . . . . . . . .
- Mounting the piston rings
33
. . . . . . . . . . . . . . . .
- Fitting the big end bearing shells
33
. . . . . . . . . . .
2
SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS
CURSOR ENGINES F3A
Base - May 2007
- Fitting connecting rod - piston assemblies
in the cylinder liners
34
. . . . . . . . . . . . . . . . . . . .
- Checking piston protrusion
34
. . . . . . . . . . . . . .
- Checking crankpin assembly clearance
35
. . . . . .
CYLINDER HEAD
35
. . . . . . . . . . . . . . . . . . . . . . . .
- Removing valves
35
. . . . . . . . . . . . . . . . . . . . . . .
- Checking the planarity of the head on the
cylinder block
35
. . . . . . . . . . . . . . . . . . . . . . . . .
- Removing deposits and checking the valves
35
. .
- Valves
36
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Valve seats
36
. . . . . . . . . . . . . . . . . . . . . . . . . . .
- Checking clearance between valve-stem and
associated valve guide
37
. . . . . . . . . . . . . . . . . . .
- Valve guides
37
. . . . . . . . . . . . . . . . . . . . . . . . . .
- Replacing injector cases
37
. . . . . . . . . . . . . . . . .
- Checking injector protrusion
39
. . . . . . . . . . . . .
TIMING GEAR
40
. . . . . . . . . . . . . . . . . . . . . . . . . .
-Camshaft drive
40
. . . . . . . . . . . . . . . . . . . . . . . .
-Idler gear pin
40
. . . . . . . . . . . . . . . . . . . . . . . . . .
-Idler gear
40
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-Twin intermediate gear pin
40
. . . . . . . . . . . . . . .
-Twin idler gear
40
. . . . . . . . . . . . . . . . . . . . . . . .
-Replacing the bushings
40
. . . . . . . . . . . . . . . . . .
-Camshaft
41
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-Checking cam lift and pin alignment
41
. . . . . . . .
-Camshaft
42
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-Bushings
42
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-Valve springs
44
. . . . . . . . . . . . . . . . . . . . . . . . . .
-Fitting valves and oil seal
45
. . . . . . . . . . . . . . . . .
ROCKER SHAFT
45
. . . . . . . . . . . . . . . . . . . . . . . . .
-Shaft
46
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-Rocker arms
46
. . . . . . . . . . . . . . . . . . . . . . . . . .
TIGHTENING TORQUE
47
. . . . . . . . . . . . . . . . . .
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