BC144, BD144A and
80154 Engine
Service Manual
- GSS1358
-
BC144, BD144A and 80154 Engine Service Manual
'--- --
FOREWORD
The instructions and special tools shown in this Blue Ribbon Service Manual are for use by
International Harvester Dealers and their factory trained servicemen.
The specifications as listed in this manual are current as of the printing date. Due to changes
and improvements in our products, dealers are periodically issued service bulletins to keep
this manual up-to-date. We suggest you refer to the most recent information when perform-
ing service work on this equipment.
International Harvester Factory Trained servicemen are best qualified to service IH equip-
ment.
2
BC144, BD144A and 80154 Engine Service Manual
BC144, BD144A and 80154 Engine Service Manual
CONTENTS
Page
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Service Procedure
Cylinder Head Installation ......... .
Multi-piece Oil Control Ring Installation
14
14
Connecting Rod Bearing Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Camshaft Bearing Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Lubricating Oil Pump Removal (Engine Model BC-144 Only) . . . . . . . . . . . . . . . . 16
Gear Train Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Break-In Procedure of Rebuilt Diesel Engines . . . . . . . . . . . . . . . . . . . . . . . . . 17
Break-In Procedure of Rebuilt Gasoline Engines . . . . . . . . . . . . . . . . . . . . . . . . 18
3
BC144, BD144A and 80154 Engine Service Manual
General
Number of cylinders .
Bore and stroke-inches .
Displacement-cubic inches
Engine RPM (Governed)
Low Idle.
High Idle
Rated Load .
Horsepower (Rated) @PTO Shaft
(Rated Engine Speed)
B-275 Tractors ..... . .
B-414 and 3414 Tractors.
I-424 and 2424 Tractors
Compression ratio .. ...
Compression pressure at
cranking speed psi . .. .
Crankcase refill capacity -
quarts ....
Firing order ......... .
Crankcase
Tappet bore, I.D. - inch .....
Cylinder head bolt heli -coil
inserts (below surface) - inch .
Crankshaft and Main Bearings
Number of main journals .....
Main journal diameter - inches
Crankpin diameter - inches
Main bearings, running
clearance - inch .... .
Thrust bearing location.
Thrust bearing end clearance
- inch ...... . ........ .
SPECIFICATIONS
BC-144
BD-144A
4
4
3-3/8 x 4
3-3/8 x 4
144
144
500:: 25
520 - 580
2200:: 25
2075 ± 25
2000
1875
--------
32.3
36.5
--------
--------
--------
6.3:1
21.1:1
80 - 105
330 - 355
5
5
1-3-4-2
1-3-4-2
.5615 - .5630
.5615 - . 5630
3/32 - 1/8
3/32 - 1/8
5
5
2.124 - 2.125
2.124 - 2.125
1. 7495 - 1. 750
1. 7495 - 1. 750
.002 - .004
.002 - .004
Rear main
Rear main
.004 - .008
.004 - .008
4
BD-154
4
3-1 / 2 x 4
154
520 - 580
2200:: 25
2000
--------
36 .0
36 .5
23 .0
445 - 470
5
1-3-4-2
.5615 - .5630
3/32 - 1/ 8
5
2. 124 - 2.125
1. 7495 - 1. 750
.002 - . 004
Rear main
.004 - . 008
BC144, BD144A and 80154 Engine Service Manual
Camshaft
Camshaft bearings (reamed to
size) diameter - inches
Front bearing .
Center bearing
Rear bearing ..
Carn lobe lift (total) - inch
Intake .
Exhaust
Front bearing journal diameter
- inches .............. .
Center bearing journal diameter
- inches ... . ..... . . . . .
Rear bearing journal diameter
- inches ... ..
Thrust taken by ...
Number of bearings
Bearing running clearance
- inch . ... ... .
Camshaft end play .. ... .
Connecting Rods
Side clea r ance - inch
Bearing running clearance
- inch ........... .
Bearing O.D. and spread - inches
Pistons
0
Skirt clearance - measured 90
from pin hole at bottom - inch
Graded ........... .
Individual replacements
Number of rin gs per pi st on
BC-144 BD-144A BD-154
For Carn shaft Bearing Installation Refer to Page 15.
1.8135 - 1.8145
1.5795 - 1.5805
1.5015 - 1.5025
.2195
. 1975
1.811 - 1.812
1.577 - 1.578
1.499 - 1.500
Thrust plate
3
.0015 - .0035
.008 - .017
.003 - .010
.001 - .. 0029
1.876 + .025
.0031 - .0039
. 0031 - . 004 7
4
5
1.8135 - 1.8145
1.5795 - 1.5805
1.5015 - 1.5025
.2195
.1975
1.811 - 1.812
1.577 - 1.578
1.499 - 1.500
Thrust plate
3
.0015 - .0035
.008 - .017
.003 - .010
.001 - . 0029
1.876 + . 025
.0031 - .0039
. '.: 031 - .0047
5
1.8135 - 1.8145
1.5795 - 1.5805
1.5015 - 1.5025
.2195
.1975
1.811 - 1.812
1.577 - 1.578
1.499 - 1.500
Thrust plate
3
.0015 - .0035
.008 - .017
. 003 - .010
.001 - . 0029
1.876 + .025
.0031 - .0039
.0031 - .0047
5
BC144, BD144A and 80154 Engine Service Manual
Pistons -Continued
Width of ring groove:
Top compression - inch
Second compression - inch
Third compression - inch
Oil control - inch ....
Ring clearance in groove:
Top compression - inch
Second compression - inch
Third compression - inch .
Oil control
Top - inch
Lower - inch.
Piston Pins
Diameter-inch (standard)
Length-inches ....... .
Clearance between end of pin
and retainer ring - inch ...
Maximum allowable clearance
in rod bushing - inch ..... .
Maximum allowable clearance
in piston - inch ......... .
Piston Rings
Compression:
Number of rings per piston
Type:
Top
Second.
Third ..
BC-144
.0953 - .0963
.0953 - .0963
.0953 - . 0963
.189-.190
. 0018 -
.0033
.0018
- . 0033
.0018
- . 0033
. 0025 - . 0040
--------
1.1021
- 1.1023
2.898
- 2.902
.012 - .019
.0005 - .0010
.0003 Loose
.0004 Tight
3
Chrome
Taper face
Taper face
6
BD-144A
. 0963 - . 0969
.0967 - .0973
. 0959 - .0965
.18 77 - .1883
.0028 - .0039
.0032 - .0043
. 0024 - .0035
--------
.0012 - .0023
1.1021-
1.1023
2.898 -
2.902
.012 - .019
.0005 - .0010
.0003 Loose
.0004 Tight
3
Chrome (Inter -
nally stepped)
Plain
Plain
BD-154
.0972 - .0982
. 0965 - . 0975
.0965 - .0975
.1887 - .1893
.0035 - . 0055
. 0028 -. 0048
.0028 - .0048
--------
.0012 - .0028
1.1021
- 1.1024
3.1097
- 3.0236
.012 - .020
.0005 - .0010
.0003 Loose
.0004 Tight
3
Chrome (Inter-
nally stepped)
Internally stepped
Internally stepped
BC144, BD144A and 80154 Engine Service Manual
Piston Rings -Continued
Width of ring :
Top - inch
Second - inch
Third - inch .
Oil Control Rings
Type
Top
Lower
Number per piston
Ring Gap ;
Top compression - inch ..
Second compression - inch
Third compression - inch .
Oil control
Top -i nch
Low e r - inch.
Cylinder Sleeves
Type .. . ..... .
Diamet e r, outside (at packing
ring location) - inches
Wall thickness - inch ..
Flange thickness - inch.
Top surface of cylinder sleeve
ex te nds a bove top surface of
c rankca s e - inch . ... .. .. .
Valves
Head Diameter:
Intak e - inches
Exhau st - inch es
Face angle - degrees
BC-144
.0930 - .0935
.0930 - .0935
. 0930 - . 0935
Slotted
1
.012 - .018
.012 - .018
.012 - .018
.012 - .018
Replaceable wet
3.6865 - 3.688
.2134 - .2235
.227 - .229
.001 - .005
1.407 - 1.417
1. 245 - 1. 255
45 +O - 30'
7
BD-144A
.0930 - .0935
.0930 - . 0935
. 0930 - . 0935
Multi-piece
Slotted
2
.012 - .018
.012 - . 018
.012 - .018
. 015 - .045
. 012 - .018
Replaceable wet
3. 6865 - 3. 688
.2134 - .2235
. 227 - .229
.001 - .005
1.465 - 1. 47 5
1.171 - 1.18 1
45 +o -30'
BD-154
. 0927 - .0937
.0927 - . 0937
.0927 - . 0937
Mult i -piece
Drilled and
Grooved
2
. 010 - .015
. 010 - .015
.010 - . 015
.010 - . 015
Replaceable wet
3. 6865 - 3.688
.15065 - . 16125
.227 - . 229
. 001 - . 005
1. 4 65 - 1.475
1.1 7 1 - 1.181
45 +O -30'
BC144, BD144A and 80154 Engine Service Manual
Valves-Continued
Stern Diameter :
Intake - inch
Exhaust - inch .
Clearance in guide :
Intake - inch ..
Exhaust - inch .
Valve Seats
Seat angle - degrees.
Valve Guides
Length - inches
Intake .
Exhaust
Inside Diameter - inch
Installed height above cylinder
head surface - inch . . . . . .
Installed height measured up
from spring recess - inch .
Valve Springs
Free length - inches
Intake and exhaust
Test length - inches
Intake and exhaust
Test load - pounds
Intake and exhaust
BC-144
.341 - .342
.341 - . 342
,002 - . 004
.002 - . 004
45
2.469 *
2. 625 *
. 344 - .345
--------
. 828 *
2. 085
1. 700
36.4 ± 5%
BD-144A
. 341 - .342
.341 - .342
.002 - .004
.002 - .004
45
3-1 /4
3
.344 - .345
.940 ± .030
--------
2.531 ± . 047
1.922
30 . 2 ± 5%
BD-154
. 341 - . 342
. 341 - .342
.002 - .004
.002 - .004
45
3-1 /4
3
.344 - .345
.940± . 030
--------
Inner 2.125
Outer 2. 550
Inner 1.653
Outer 1.870
Inner 13 . 0 ± 5%
Outer 31.0±5%
* For Specifications of valve guides and spr i ngs used on e;..bines when equipped with dual
valve springs (early models) refer to following page.
8
BC144, BD144A and 80154 Engine Service Manual
Valve Guides **
Length - inch
Inside diameter - inch
Set height of guide measured
up from spring recess-inches
Intake and Exhaust
Valve Springs**
Outside diameter - inch
Intake and exhaust
Inner
Outer.
Free length - inch
Intake and exhaust
Inner
Outer.
Test length - inch
Intake and exhaust
Inner
Outer.
Test load - pound ± 5%
Intake
Exhaust
Valve Tappets
Diameter - inches
Bore in crankcase - inch.
Tappet clearance in bore - i. nch
Push rod diameter - inch ... .
Push rod {bottom of cup to ball
tip) length - inches ... .... .
BC-144
2. 625
.344 - .345
1.047
.879
1.316
2.125
2.550
1.653
1.870
13.0
31.0
.560 - .561
. 5615 - .5630
. 0005 - . 003
5/ 16
10.690 - 10.720
BD-144A
BD-154
.560 -
.561 .560
-. 561
.5615
- .5630 .5615
- .5630
.0005 - .003
. 0005 - .003
5/ 16
5/ 16
10.510 - 10 . 540
10.510 - 10 . 540
**Specifications of valve guides and springs used when equipped with dual valve springs
(early models) .
9
BC144, BD144A and 80154 Engine Service Manual
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