Chapter 2 Basic Engine
3. Service Standards
t
4LHA Serie:
3.
Service
Standards
4LHA-STE/-STZE
4LHA-STP/-STZP
4LHA-DTE/-DTZE
4LHA-DTP/-DTZP
4LHA-HTE/-HTZE
4LHA-HTP/-HTZP
Specified
lube oil press,
at
3300rpm
(measuring
in the
main oil gallery)
0.42±0.05MPa(4.3±0.5kgf/cm
2
)
Valve
cleance
Intake
(mm)
0.1
0.1
0.1
Valve
cleance
Exhaust
(mm)
0.5
0.14
0.3
Fuel
iniection
timin
g (b.T.D.C.
deg.)
13
12
6
Fuel
injection press. (MPa(kgf/cm
2
)]
26.5-27.5(270-280)
23.5-24.5(240-250)
19.6-20.6(200-210)
Tightening
torque
of
bolts
and
nuts
N*m
(kgf-m)
Bolt
&
Nut
size
Tightening Torque
Wrench
Bolt
&
Nut
size
4LHA-STE,-DTE,HTE
Wrench
Cylinder
head bolt
M13X1.5
*
1st:
108(11)
2nd:
167(17)
3rd:
186(19)
17mm
Connecting
rod bolt
M11X1.0
* 113-123(11.5-12.5)
17mm
Main
bearing cap bolt
M14X1.5
* 186-206(19-21)
19mm
Crank
shaft V-pulley clamp bolt
M14X1.5
* 108-127(11-13)
Flywheel
clamp bolt
M14X1.5
* 186-206(19—21)
Fuel
injection nozzle clamp
nut
M6X1.0
5.9-6.9 (0.6-0.7)
Fuel
injection driving gear,
clamp
nut
M14X1.5
* 59-69
(6-7)
4LHA-HTE/HTZE/HTP/HTZP
Fuel
injection driving gear,
clamp
nut
M18X1.5
* 118-137(12-14)
4LHA-STE/STZE/STP/STZP
4LHA-DTE/DTZE/DTP/DTZP
• For general
*
:
Apply engine oil
to
the thread and seat.
I'—[NOTICE]
• Apply
the
following tightening torque
to
bolts having
"7" on the
head.
(JIS strength classification
: 7T)
OTighten bolts
with
no "7"
mark
to 60%
tightening torque.
O
If the
parts
to be
tightened
are
made from aluminum alloy, tighten
the
bolts
to
80%
tightening torque.
0
Bolt dia.
x
pitch
mm
M6X1.0
M8X1.25
M10X1.5
M12X1.75
M14X1.5
M16X1.5
Tightening torque
(K
N
g{
m
m)
10.8+1.0
(1.1±0.1)
25.5±2.9
(2.6±0.3)
49.0±4.9
(5.0±0.5)
88.3±9.8
(9.0±1.0)
137±9.8
(14.0±1.0)
226±9.8
(23.0±1.0)
(Note) 80%
for
Al material
of
installation side
Name
Thread
diameter
Tightening torque N»m(kgf-m)
PT
plug
1/8
9.80(1.0)
PT
plug
1/4
19.61
(2.0)
PT
plug
3/8
29.42
(3.0)
PT
plug
1/2
58.83
(6.0)
Ball
joint
bolt
M8
14.70(1.5)
Ball
joint
bolt
M12
29.42
(3.0)
Ball
joint
bolt
M14
44.12 (4.5)
Ball
joint
bolt
M16
53.93
(5.5)
1-13
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