Kubota D1102-B Instruction manual

KiSC issued 09, 2007 A

WORKSHOP MANUAL
DIESEL ENGINES
D1102-B,D1302-B,D1402-B,
V1502-B,V1702-B,V1902-B

KiSC issued 09, 2007 A

INTRODUCTION
• This Workshop Manual provides general description, and comprehensive
information for servicing Kubota 01102-8, 01302-8, 01402-B, V1502-B,
V1702-B, V1902-B diesel engines. It consists of five sections as following:
• Section I "Specifications and Performance Curves" covers specif ications and
performance curves.
• Section II "General Description" covers newest information on the features,
functions and constructions of these Kubota engines.
• Section ill and N "Engine" and "Electrical System" cover disassembling and
assembling procedures, checking and servicing instructions. In addition, a
troubleshooting chart with reference pages given is provided at the begin-
ning of each section, it helps you find out the cause of malfunction easily.
• Section V "Service Directions" covers all reference values and allowable
limits required for servicing.
0078P001
* KUBOTA Corporation reserves the right to change the specifications without
notice.
* No part of this manual may be reproduced without permission of KUBOTA
Corporation.

KiSC issued 09, 2007 A

CONT ENTS
Section I
Section II
Section ill
Section IV
Section V
SPECIFICATIONS AND PERFORMANCE CURVES ................................. 3
GENER AL DESCRIPTION .......................................................................... 13
1. Engine
2. Lubrication System
3. Cooling System
4. Fuel System
5. Electrical System
ENGINE ........................................................................................................ 27
1. Troubleshooting
2. Disassembly and Reassembly
3. Servicing
ELECTRICAL SYSTEM ............................................................................. 71
1. Troubleshooting
2. Alternator and Regulator
3. Starter and Glow Plug
SER VICE DIRECTIONS.............................................................................. 97
2

KiSC issued 09, 2007 A

" ;
Section I
SPECIFICATIONS AND PERFORMANCE CURVES
« ;;/. " "' p
• D1102-B .................................................................................................................... 4
• D1302-B .................................................................................................................... 5
• D1402-B ......................................................................................................................... 6
• V1502-B .................................................................................................................... 7
• V1702-B ................................................................................................................. 8
• V1902-B .................................................................................................................... 9
• DIMENSIONS .................................................................................................................. 10
3

KiSC issued 09, 2007 A

Section I
SPECIFICATIONS AND PERFORMANCE CURVES
• D1102-B
Specifications
Performance Curves
Note:
Each per formance curves, obtained i n accordance with DIN 6270
and DIN 70020, ar
e corrected to 101kPa ( 760mmHg ) , and 20° C,
60% humidity.
Note:
Each performance curves, obtained in accordance with SAE J816b,
are corrected to 101kPa
( 760mmHg ) , and 20° C, 60% humidity.
4
1400 1600 1600 2000 2200 2400 2600 2800
ENGINE tnin-1(rprn)
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190 2
1 400 1600 1800 2000 2200 2400 ?600 2800
ENGINE min-1(rpm)
Maximum Bare Speed
3000 min·
1
(rpm)
Minimum Bare Idling Speed 800 min
1
(rpm)
Combustion Chamber
Spherical Type
Fuel Injection Pump Bosch K Type mini pump
Governor
Centrifugal Ball Mechanical Governor
Injection Nozzle DN 12 SD 12
Injection li ming
0.436 rad. (25'') before T.D.C.
Injection Pressure 13.73 MPa (140 kgf/cm
2,
1991 psi)
Compression Ratio 21
Cooling System
Pressurized radiator (8.83 x 10
4
Pa, 0.9 kgf/cm
2,
12.8 psi) Forced circulation (with water pump)
Starting System Electric Starting with Cell starter (12 V, 1.0kW)
Dynamo for Charging 12 V,300 W
Fuel
Diesel Fuel No.2-D
Weight (Dry) 146 kg (321.9 lbs.)
Battery 12 V, 80AH, equivalent
Direction of Rotation
Counter-clockwise from flywheel side
Application General Power Source
Model D1102-B
Type
Vertical, water-cooled,
4-cycle diesel engine
Number of Cylinders 3
Bore x Stroke mm (inch)
Ji 76 x 82 L ( Ji 2.99 x 3.23 L)
Total Displacement cm
3
(cu.in.) 1115 (68.04)
Brake H.P.
DIN 6270-NA 14.3 kW / 2800 min·1(rpm)
(19.4 P.S./ 2800 min·
1
(rpm))
DIN 6270-NB 16.2 kW
I2800 min1(rpm)
(22.0 P.S./ 2800 min·
1
(rpm))
DIN 70020 17.7 kW
I2800 min1(rpm)
(24.0 P.S./ 2800 min·
1
(rpm))
SAE Gross H.P. 19.0 kW / 2800 min·1(rpm)
(25.5 H.P./ 2800 min
1
(rpm))
SAE Intermittent H.P. 16.8 kW / 2800 min1(rpm)
(22.5 H.P./ 2800 min
1
(rpm))
SAE Cont. H.P. 14.5 kW
I2800 min1(rpm)
(19.4 H.P./ 2800 min·
1
(rpm))

KiSC issued 09, 2007 A

• 01302-B
Specifications
Performance Curves
Note:
Each performance curves, obtained in accordance with DIN 6270
and DIN 70020, are corrected to 101kPa
( 760mmHg ) , and 20"C,
60% humidity.
Note:
Each performance curves, obtai ned in accordance with SAE J816b
are corrected to 101kPa
( 760 mmHg ) , and 20° C, 60% humidity. '
5
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r
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r
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r
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I
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LL
55
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( NF)
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200
1 90
di
..J
LJ.J
:::i
LL
1400 1600 1800 2000 2200 2400 2600 2800
ENGINE min-
1
(rpm)
Maximum Bare Speed 3000 min-
1
(rpm)
Minimum Bare Idling Speed
800 min-
1
(rpm)
Combustion Chamber
Spherical Type
Fuel Injection Pump Bosch K Type mini pump
Governor Centrifugal Ball Mechanical Governor
Injection Nozzle DN 12 SD 12
Injection li ming 0.436 rad. (25') before T.D.C.
Injection Pressure
13.73 MPa (140 kgf/cm
2,
1991 psi)
Compression Ratio 21
Cooling System
Pressurized radiator (8.83 x 1 a4 Pa, 0.9 kgf/cm
2,
12.8 psi) Forced circulation (with water pump)
Starting System Electric Starting with Cell starter (12 V, 1.0kW)
Dynamo for Charging 12 V, 300 W
Fuel
Diesel Fuel No.2-D
Weight (Dry) 147 kg (324.1 lbs.)
Battery 12 V, 80AH, equivalent
Direction of Rotation
Counter-clockwise from flywheel side
Application General Power Source
Model D1302-B
Type
Vertical, water-cooled,
4-cycle diesel engine
Number of Cylinders 3
B o r e x S t r o k e mm (inch) ¢ 82 x 82 L ( ¢ 3.23 x 3.23 L)
Total Displacement cm
3
(cu.in.)
1299 (79.27)
Brake H.P.
D1N 6270-NA
17.3 kW I 2800 min-1(rpm)
(23.5 P.S./ 2800 min-
1
(rpm))
DIN 6270-NB
18.8 kW I 2800 min-
1
(rpm)
(25.5 P.S./ 2800 min-
1
(rpm))
DIN 70020
21.0 kW I 2800 min-
1
(rpm)
(28.5 P.S./ 2800 min-
1
(rpm))
SAE Gross H.P. 22.4 kW
I2800 min-1(rpm)
(30.0 H.P./ 2800 min-
1
(rpm))
SAE Intermittent H.P. 20.1 kW
I2800 min·1(rpm)
(27.0 H.P./ 2800 min-
1
(rpm))
SAE Cont. H.P. 17.5 kW
I2800 min-1(rpm)
(23.5 H.P./ 2800 min-
1
(rpm))

KiSC issued 09, 2007 A

• 01402-e
Specifications
Performance Curves
Note:
Each perf ormance curves, obtained in accordance with DIN 6270
and DIN 70020, are corrected to 101kPa (760mmHg
) , and 20°C,
60% humidity.
Note:
Each performance curves, obtained in accordance wi th SAE J816b,
are corrected to 101kPa
( 760 mm Hg ) , and 20° C, 60% humidity.
6
-
-
GROSS TORQUE
-+---k I I
'f--+.....L.
65
.......
-
Q
J
-i---
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CONT TORQUE
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55
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50
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LU
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0.5 aJ
0.45 ....J
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0.4
u.
1400 1600 1800 2000 2200 2400 2600 2800
ENGINE min-
1
(rpm)
I
---
M
,_
F
--
I
MB
-i--
- --
.
-
9 0
r
--
1"-- -
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--.I'--
r
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:
0
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H-f -1- ::i=;a b ; ( N = F ) . -
+
-
=
,
i - .- "' . ._ 190
1400 1600 1800 2000 2200 2400 2600 2800
ENGINE min-
1
(rpm)
r
-i
_
...- 200
l.l..
Maximum Bare Speed 3000 min-
1
(rpm)
Minimum Bare Idling Speed 800 min-
1
(rpm)
Combustion Chamber Spherical Type
Fuel Injection Pump Bosch K Type mini pump
Governor Centrifugal Ball Mechanical Governor
Injection Nozzle DN 12 SD 12
Injection li ming 0.436 rad. (25') before T.D.C.
Injection Pressure
13.73 MPa (140 kgf/cm
2,
1991 psi)
Compression Ratio 21
Cooling System
Pressurized radiator (8.83 x 104 Pa, 0.9 kgf/cm
2,
12.8 psi) Forced circulation (with water pump)
Starting System Electric Starting with Cell starter (12 V, 1.4kW)
Dynamo for Charging 12 V,300 W
Fuel
Diesel Fuel No.2-D
Weight (Dry) 148.2 kg (326.7 lbs.)
Battery
12 V, 110AH, equivalent
Direction of Rotation
Counter-clockwise from flywheel side
Application General Power Source
Model D1402-B
Type
Vertical, water-cooled,
4-cycle diesel engine
Number of Cylinders
3
Bore x Stroke mm (inch) ¢ 85 X 82 L ( ¢ 3.25 X 3.23 L)
Total Displacement cm
3
(cu.in.)
1395 (85.13)
Brake H.P.
DIN 6270-NA 18.4 kW
I2800 miff1(rpm)
(25.0 P.S./ 2800 miff
1
(rpm))
DIN 6270-NB
19.9 kW I 2800 min-1(rpm)
(27.0 P.S./ 2800 min-
1
(rpm))
DIN 70020
22.4 kW I 2800 min-1(rpm)
(30.5 P.S./ 2800 min-
1
(rpm))
SAE Gross H.P.
23.9 kW I 2800 min-1(rpm)
(32.0 H.P./ 2800 min·
1
(rpm))
SAE Intermittent H.P. 21.3 kW
I2800 miff1(rpm)
(28.5 H.P./ 2800 min-
1
(rpm))
SAE Cont. H.P. 18.7 kW
I2800 min·1(rpm)
(25.0 H.P./ 2800 min-
1
(rpm))

KiSC issued 09, 2007 A

• v1so2-e
Specifications
Performance Curves
Note:
Each performance curves, obtained in accordance with DIN 6270
and DIN 70020, are corrected to 101kPa
( 760mmHg ) , and 20°C,
60% humidity .
Note:
Each performance curves, obtained in accordance with SAE J816b,
are corrected to 101kPa
( 760 mm Hg ) , and 20° C, 60% humidity.
7
I I I I I
GROSS TORQUE
I
-........L I I I
70
INTERMITT ENT
TORQUE
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1400 1600 1800 2000 2200 2400 2600 2800
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LU
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u..
1400 1600 1800 2000 2200 2400 2600 2800
ENGINE min"1(rpm)
Maximum Bare Speed
3000 min·1(rpm)
Minimum Bare Idling Speed
800 min-1(rpm)
Combustion Chamber
Spherical Type
Fuel Injection Pump Bosch K Type mini pump
Governor
Centrifugal Ball Mechanical Governor
Injection Nozzle DN 12 SD 12
Injection li ming 0.436 rad. (25'} before T.D.C.
Injection Pressure
13.73 MPa (140 kgf/cm
2,
1991 psi)
Compression Ratio 21
Cooling System
Pressurized radiator (8.83 x 104Pa, 0.9 kgf/cm
2
,
12.8 psi) Forced circulation (with water pump)
Starting System Electric Starting with Cell starter (12 V, 1.4kW)
Dynamo for Charging 12 V, 300 W
Fuel Diesel Fuel No.2-D
Weight (Dry) 175.7 kg (387.3 lbs.)
Battery 12 V, 110AH, equivalent
Direction of Rotation
Counter-clockwise from flywheel side
Application General Power Source
Model
V1502 B
Type
Vertical, water-cooled,
4-cycle diesel engine
Number of Cylinders 4
Bore x Stroke mm (inch}
ef, 76 X 82 L ( ef, 2.99 X 3.23 L}
Total Displacement cm
3
(cu.in.)
1487 (90.74)
Brake H.P.
DIN 6270-NA
19.1 kW I 2800 min-
1
(rpm)
(26.0 P.S./ 2800 min-
1
(rpm))
DIN 6270-NB
21.3 kW I 2800 min-
1
(rpm)
(29.0 P.S./ 2800 min-
1
(rpm))
DIN 70020
23.5 kW I 2800 min-
1
(rpm)
(32.0 P.S./ 2800 min-
1
(rpm))
SAE Gross H.P. 25.4 kW
I2800 min-1(rpm)
(34.0 H.P./ 2800 min-
1
(rpm))
SAE Intermittent H.P. 22.4 kW
I2800 min-1(rpm)
(30.0 H.P./ 2800 min-
1
(rpm))
SAE Cont. H.P. 19.4 kW
I2800 min-1(rpm)
(26.0 H.P./ 2800 min-
1
(rpm))

KiSC issued 09, 2007 A

• V1702-B
Specifications
Performance Curves
Note:
Each performance curves, obtained in accordance with DIN 6270
and DIN 70020, are corrected to 101kPa
( 760mmHg ), and 20° C,
60% humidity.
Note:
Each perf ormance curves, obtained in accordance with SAE J816b
are corrected to 101kPa
( 760mmHg ), and 20° C, 60% humidity. '
8
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GROSS TORQUE-
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1400 1600 1800 2000 2200 2400 2600 2800
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1
(rpm)
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----
1
-
?
·-
?
1
1 400 1 600 1 800 2000
2ioo 2400 2600 2800
ENGINE min-
1
1rpm)
Maximum Bare Speed 3000 min-
1
(rpm)
Minimum Bare Idling Speed
800 min-
1
(rpm)
Combustion Chamber
Spherical Type
Fuel Injection Pump Bosch K Type mini pump
Governor Centrifugal Ball Mechanical Governor
Injection Nozzle DN 12 SD 12
Injection li ming 0.436 rad. (25'') before T.D.C.
Injection Pressure
13.73 MPa (140 kgf/cm
2,
1991 psi)
Compression Ratio 21
Cooling System
Pressurized radiator (8.83 x 1 a4 Pa, 0.9 kgf/cm
2,
12.8 psi) Forced circulation (with water pump)
Starting System Electric Starting with Cell starter (12 V, 1.4kW)
Dynamo for Charging 12 V,300 W
Fuel
Diesel Fuel No.2-D
Weight (Dry) 177.1 kg (390.4 lbs.)
Battery 12 V, 110AH, equivalent
Direction of Rotation
Counter-clockwise from flywheel side
Application General Power Source
Model V1702-B
Type
Vertical, water-cooled,
4-cycle diesel engine
Number of Cylinders 4
B o r e x S t r o k e mm (inch) ¢ 82 X 82 L (
<h 3.23 X 3.23 L)
Total Displacement cm
3
(cu.in.)
1732 (105.69)
Brake H.P.
DIN 6270-NA
22.8 kW I2800 min-
1
(rpm)
(31.0 P.S./ 2800 min-
1
(rpm))
DIN 6270-NB
25.0 kW I2800 min-1(rpm)
(34.0 P.S./ 2800 min-
1
(rpm))
DIN 70020
27.9 kW I2800 min-
1
(rpm)
(38.0 P.S./ 2800 min-
1
(rpm))
SAE Gross H.P.
29.8 kW I2800 min-1(rpm)
(40.0 H.P./ 2800 min-
1
(rpm))
SAE Intermittent H.P. 26.9 kW I2800 min-1(rpm)
(36.0 H.P./ 2800 min-
1
(rpm))
SAE Cont. H.P. 23.1 kW I2800 min-1(rpm)
(31.0 H.P./ 2800 min-
1
(rpm))

KiSC issued 09, 2007 A

• v1so2-e
Specifications
Performance Curves
Note:
Each perf ormance curves, obtained in accordance wi th DIN 6270
and DIN 70020, are corrected to 101kPa
( 760mmHg ), and 20°C,
60% humidity.
Note:
Each performance curves, obtained in accordance with SAE J816b,
are corrected to 101kPa ( 760 mmHg ), and 20° C, 60% humidity.
9
I I I I I
GROSS TORQUE
T-t-
INTERMITIENT TORQUE
r-.
- I
CONT TORQUE-
-
--
-
90
r
-+-L
I-
80 cri
,.'.;
LL.
70 w
L
:::
J
i-....
I-
60 8
45
.v
40
a.
J:
a: 35
UJ
GROSS. B.H.P:.,.,.....
J..,;f 1......
I X- .vt
"
-o·, >S
-
30
(/)
a:
l/
[/
,-;; t L...-+-"'
...
Vj...A'. '\
L..,.,,
...-
/_
...
V
25
w
::.:
Cil
20
P' .v
;/
I/
_
1,.,1'" I I
CONT. B.H.P
a:
J:
a:
J:
15
....
FUEL (INTERMITIENT)
I
'--
0.5
0.45 LiJ
0.4 CT:
1400 1600 1800 2000 2200 2400 2600 2800
ENGINE min-
1
(rpm)
-
-
MF
--
r
--
Me -
I
t-- ....
_
-
-
-i--,
1
1
1
i--......
M A
r
--i-
45
40
.,. .....
i...,.-
>
w
N
F
,.
V
.,....r
..-
-
_
i,..-
Cl) 35
i....--
a
a
:
...
v
N a.
v _1--"'
30
.,,,/'
.... v
w
(
.
)
z
I
/
V
I
/
25
1
........
r
.... v
y
l..-' N11
V
.... v
I/"""
L
a
L
:
. ....,",,
V
r
i
20
.,.v
i,......
-
b(
N F
)
i-.
..-
-
J
:
ch
210
Ol
200 ..J
w
190
1400 1600 1800 2000 2200 2400 2600 2800
ENGINE min-
1
(rpm)
Maximum Bare Speed 3000 min-
1
(rpm)
Minimum Bare Idling Speed
800 min-
1
(rpm)
Combustion Chamber
Spherical Type
Fuel Injection Pump Bosch K Type mini pump
Governor Centrifugal Ball Mechanical Governor
Injection Nozzle DN 12 SD 12
Injection li ming 0.436 rad. (25) before T.D.C.
Injection Pressure
13.73 MPa (140 kgf/cm
2,
1991 psi)
Compression Ratio 21
Cooling System
Pressurized radiator (8.83 x 1 Q4 Pa, 0.9 kgf/cm
2,
12.8 psi) Forced circulation (with water pump)
Starting System Electric Starting with Cell starter (12 V, 1.4kW)
Dynamo for Charging 12 V, 300 W
Fuel
Diesel Fuel No.2-D
Weight (Dry) 178.2 kg (392.2 lbs.)
Battery 12 V, 110AH, equivalent
Direction of Rotation
Counter-clockwise from flywheel side
Application General Power Source
Model V1902-B
Type
Vertical, water-cooled,
4-cycle diesel engine
Number of Cylinders 4
B o r e x S t r o k e mm (inch)
q; 85 X 82 L ( q; 3.35 X 3.23 L)
Total Displacement cm
3
(cu.in.)
1861 (113.57)
Brake H.P.
DIN 6270-NA 24.3 kW I2800 min-1(rpm)
(33.0 P.S./ 2800 min-
1
(rpm))
DIN 6270-NB
26.5 kW I 2800 min-
1
(rpm)
(36.0 P.S./ 2800 min-
1
(rpm))
DIN 70020
30.2 kW I 2800 min-
1
(rpm)
(41.0 P.S./ 2800 min-
1
(rpm))
SAE Gross H.P. 32.1 kW
I2800 min·1(rpm)
(43.0 H.P./ 2800 min-
1
(rpm))
SAE Intermittent H.P. 28.7 kW
I2800 min-1(rpm)
(38.5 H.P./ 2800 min-
1
(rpm))
SAE Cont. H.P. 24.6 kW
I2800 min-1(rpm)
(33.0 H.P./ 2800 min-
1
(rpm))