Universal Motors Universal diesel 5416, Service Manual

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(20)
Reference Chart
Parts Items Specifications Standard Value
Maximum
Limit
Remarks
C
yl
ind
er H
ea
d
Cylinder head tightness
Cylinder head surface distortion
Intake/exhaust valve seat
thickness
Top clearance
M10 x 1. 25
45
o
0.059 in. (1.5 mm)
54.2 ~ 57.9 ft. lbs
(7.5 ~ 8 kg.m)
0.002 in below
(0.05mm below)
0.0276 ~ 0.0354 in.
(0.7 ~ 0.9 mm)
When installing apply a
generous coat of engine oil onto
the entire surface of each bolt.
C
yl
ind
er Li
ne
r
Standard ID – 5416 & 5424
050 Oversize Liner ID
Piston clearance (at skirt)
Type
2.9921 ~ 2.9929 in
(76.000 ~ 76.019 mm)
3.0118 ~ 3.0126 in
(76.500 ~ 76.519 mm)
0.0026 ~ 0.0041 in
(0.065 ~ 0.104 mm)
0.0056 ~ 0.0071 in
(0.141 ~ 0.180 mm)
Dry
E side
I side
2.9980 in.
(76.15 mm)
Height above block surface
! 0.00098 in ( ! 0.025 mm)
P
iston
Standard OD – 5416 & 5424
Piston-pin boss ID
Piston-pin clearance
2.9921 in (76 mm)
0.9055 ~ 0.9060 in.
(23.000 ~ 23.013 mm)
Interference Clearance
0.0004 in 0.0004 in
(0.011mm) (0.011mm)
0.9071 in.
(23.04 mm)
Oversize 0.020 in (0.5 mm)
P
iston R
ing
Ring gap
Top ring width
2nd ring width
Oil ring width
(top.2nd)
(oil ring)
Keystone type
0.0768 ~ 0.0772 in
(1.95 ~ 1.962 mm)
0.1960 ~ 0.1965 in
(4.978 ~ 4.99 mm)
0.0118 ~ 0.0178 in
(0.3 ~ 0.45 mm)
0.0098 ~ 0.0158 in
(0.25 ~ 0.45 mm)
Ring groove clearance
0.0037 ~ 0.0047 in
(0.093 ~ 0.120 mm)
0.0008 ~ 0.0020 in
(0.02 ~ 0.052 mm)
0.0492 in
(1.25 mm)
0.5 oversize top ring surface
should be 0.0079 in (0.2 mm)
below piston side surface.
P
iston P
in
OD
Pin to bush clearance
0.9056 ~ 0.9059 in
(23.002 ~ 23.011 mm)
0.0006 ~ 0.0015 in
(0.014 ~ 0.038 mm)
0.0059 in
(0.15 mm)
C
onn
ecti
ng R
od
Small end ID (without bush)
Small end width
Large end ID (without bush)
Large end width
Rod torsion (see diagram)
Rod bolt torque M8 x 1
1.0236 ~ 1.0244 in
(26.000 ~ 26.021 mm)
1.0236 in (26 mm)
1.8504 ~ 1.8512 in
(47.000 ~ 47.020 mm)
1.0079 ~ 1.0118 in
(25.6 ~ 25.7 mm)
26.76 ~ 30.38 ft lbs
0.0008 in
(0.02 mm)
(3.7 ~ 4.2 kg-m)
0.002 in
(0.05 mm)
When installing apply a
generous coat of engine oil onto
the entire surface of each bolt.