UNIVERSAL DIESEL MODEL 15 25 SERVICE MANUAL
UNIVERSAL DIESEL
MODEL 15 & 25
(EARLY MODELS 5411 & 5421)
SERVICE MANUAL
PUBLICATION
#200151
Specifications ..
Fuel System Lubrication System
Oi 1 Fi 1ter . . . . Combustion System Valve Timing . . . Compression Release
Pistons and Rings Crankshaft . . Connecting Rod Cyl i nder Liner
Cylinder Head Gear Train . .
Cam Bearings .
Main Bearings Injection Pump Flywheel . . .
Wiring Diagram Starting Motor
Glow Plugs . .
Reference Chart
PAGE 1-2 3-4
5
6 7
8
9
10
10
11
12 12
13 13 14
15
16
17 18-19
19 20-24
SPECIFICATIONS
MODEL
15 (5411 )
20 (5416)
25 (5421)
30 (5424)
40 (5432)
50 (5444)
HORSEPOWER
11
16
21
24
32
44
NO. OF CYLINDERS
BORE &STROKE
2
2.67 x 2.75
2
2.99 x 3.23
3
3
4
2.84 x 2.76 2.99 x 3.23 2.99 x 3.23
4
3.3 x 3.25
DISPLACEMENT (CU. IN)
31
45
52
68
91
115
MAXIMUM R.P.M.
3000
2800
3200
2800
2800
3000
COMPRESSION RATIO
22:1
21:1
22:1
21:1
21:1
21:1
TYPE
Vertical, water cooled, 4-cycle diesel engine
ELECTRICAL EQUIPMENT
.......
12 Volt, 55 AMP Altermator, Electric Starter, and Glow Plu~s
Mech.
Fuel Pump
Fuel Pump Fuel Pump
Mech .
Fuel Pump
LUBRICATION (Engine)
2.2 Qts.
3.7 Qts.
4 Qts.
5.6 Qts.
11. 5 Qts
8.5 Qts.
Use SAW 30 HD (CD) or IOVJ40 heavy duty diesel lubricating oil.
---------------------------------------------------------------------------------------------------------------------------
LUBRICATION (Transmission)
Fill to full mark on dipstick. Use automatic transmission fluid Type A, Type F,
(Std and V-Drive)
and Dextron II
---------------------------------------------------------------------------------------------------------------------------
TRANSMISSION REDUCTION
2:1
2:1
2:1
2:1
2:1
2:1
---------------------------------------------------------------------------------------------------------------------------
COOLING SYSTEM (7 PSI CAP)
Sea-water
Fresh
Water
Cooling
System
cooled
4.8 Qts.
4.0 Qts.
6 Qts.
8 Qts.
8 Qts.
14 PSI
14 PSI
14 PSI
14 PSI
14 PSI
---------------------------------------------------------------------------------------------------------------------------
SEA WATER INLET &OUTLET
3/8" NPT
---------------------------------------------------------------------------------------------------------------------------
EXHAUST FLANGE
1-1/4 NPT
1-1/4 NPT
1-1/4 NPT 1-1/4 NPT 1-1/2 NPT
1-1/2 NPT
---------------------------------------------------------------------------------------------------------------------------
FUEL
Diesel fuel number 2-D
---------------------------------------------------------------------------------------------------------------------------
---------------------------------------------------------------------------------------------------------------------------
FUEL INLET HOSE
5/16" I.D.
---------------------------------------------------------------------------------------------------------------------------
FILTERS, FUEL OIL
298854
298854
298854
298854
298854
298854
---------------------------------------------------------------------------------------------------------------------------
FILTERS, LUBRICATION OIL
299381
298852
300209
298852
299584
299927
---------------------------------------------------------------------------------------------------------------------------
GOVERNOR
Centrifugal type - all speeds
ENGiNE-OPERATiNG-TEMPERATuRE-------1350-~~--------175g-~~--------i750-~~-------1756-~~-------1750-~~--------i75g-~~--------
1500 F
190 F
1900 F
1900 F
1900 F
190 F
MAX. OPERATING ANGLE
150 ALL
ENGINE ROTATION
Clockwise when viewed from V-Belt end
PROPELLER ROTATION
Right Hand (Both STD. and V-Drive)
ENGINE WEIGHT (Pounds)
245
365
285
425
490
545
LENGTH (Overall)
N
HEIGHT (Overall)
25.6/27.6 (VD)
28.0
28.5/30.5 (VD) 32.5
36.2
36.0
21.2
24.1
22.6
24.6
26.0
26.0
WIDTH (Overall)
20.7
20.7
19.2
20.7
20.7
21.4
INJECTION NOZZLE
299517
299517
299517
299517
299517
299517
INJECTION TIMING
250 before top dead center - all models
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