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ENGINE
GROUP
2
ENGINE
SECTIONS
IN
GROUP 2
SPECIFICATIONS
2-1
Section
Subject
2-A
Engine Specifications
.
2-B
E
ngine
Description
.
2-C
Engine Tune Up and Trouble
Diagnosis
.
2-D
Cylinder
Head
and Valve M
ech-
anism Service
.
Page
~-1
2-8
2-20
2-25
Section
Subject
2-E
Replacement of Crankshaft and
Connecting Rod
Bearings, Pis-
tons and Rings
.
2-F
Cooling and Oiling Sy
stems
Service
.
2-G Service on Engine Mountings,
Flywheel and Housing ..
..
Page
2-33
2-42
2-48
I
SECTION 2-A
ENGIN
E
SPECIFICAliONS
CONTENTS
OF SECTION 2-A
Paragraph
Sub
ject
2-1
Engine
Tightening
Specifications
2-2
Engine General Specifications.
Page
2-1
2-2
Paragraph
Subject
2-3
Engine
Dimensions,
Fits and
Adjustments .
.
.
Page
2-4
SERVICE BULLETIN REFERENCE
Bu lletin No.
Page No .
•
SUBJECT
2-1 ENGINE TIGHTENING
SPECIFICATIONS
Use a re
liable torque wrench
to tighten the
parts
listed,
to ins ur e proper
tightness
with-
out
straining
or distorting parts. These speci-
fications
a
re for clean and lightly lubricated
threads only,.
dry or dirty
threads
produce in
-
creased
f
r iction
which
prevents
accurate
measurement
of t
ightness.
Part
Plug
Plug
Bolt
Bolt
Bolt
Bolt
Nut
B
olt
N
u ts
B
olts
N
u t
Loca tion
Spark
.
Cra nkcase D
r a in
. . .
.
.
L
ower
Crankcas e
.
Flywheel
Housing
to
Upper
Crankcase
.
Timing Gear C
over
.
Valve Push Rod Cover
.
Valve
R
ocker
Arm Co
ver
.
Water Pump to Cr a n kca se
.
.
Manifold Stud
.
Cylinder Head
.
Connecting Rod
Bolt-
Series
40-50
.
Threa d
Size
14MM
18MM
YI6-
18
%-14
%-16
YI6-
18
YI6- 24
%
-16
%
-24
%-14
%-24
Torque
Ft.Lb•.
22-28
30- 35
6-15
55-60
15-20
4-5
4-5
25-30
25-30
65-70
40-45
Part
Nut
Bolt
Bolt
Bolt
Nut
Bolt
B
olt
N
u t
Nut
Bolt
Nut
Nut
Bolt
Nut
Nut
Nut
Location
Connecting Rod Bolt-Series
70
.
Piston Pin Clamp
.
Crankshaft
Bearing
Cap
.
B
alancer Retainin g .
. .
.
Flywheel to Cran ks h a f t -
Series 40
-50 ..
.
Flywheel to
C
r a n ks h a f t -
Series 70
.
Rocker Arm Shaft Bracket
.
Rocker Arm
Shaft
Bracket
Stud
.
Generator t
o Bracket
B
olt .
Generator
M
ou n t in g
Bracket
to
Crankcase
. .
Front Engine Mounting
Bracket
t
o
F
rame
Bolt
.
..
.
F
ront
Engine Mounting Stud
Transmission Mounting Pad
to Rear Bearing Retainer
..
.
Transmission Mounting Pad
to Transmission Support Bolt
Transmission Support to
Frame Cross Member Bolt
..
Thrust Pad to Transmission
Support and Thrust Plate ..
Thread
Size
7
,.{ 6-
24
YI6- 24
Yz-13
%,-16
%-24
%-24
%-16
%-24
%
-24
%-16
%
-24
%
-24
%-
24
%
-24
%-24
%
-24
Torque
Ft.Lb••
60-65
25-30
90-100
100-110
35-40
45
-50
30-35
30-35
25-30
30-35
30-35
30
-35
30-35
30-35
30-35
30-35
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