Shibaura S773L User Manual
SHIBAURA DIESEL ENGINE
MODEL: S773L
PARTS MANUAL
SUPPORTED BY HUSTLER TURF EQUIPMENT AND EXCEL
INDUSTRIES, INC.
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Table of Contents
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Valve Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Rocker Arm Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Cylinder Head & Exhaust Manifold . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Cylinder Block. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Oil Pan, Flywheel, & Starter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Injector Pump & Injectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Timing Gear Case & Governor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Oil Pump & Camshaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Crankshaft & Pistons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Fan & Alternator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Accessory Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Water Pump & Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
101741 05/09 c-1
c-2 101741 05/09
Chapter 1
General Information
This Manual covers the Shibaura diesel engine S773L
Frequently Ordered Parts
PART NO. DESCRIPTON
130366120 Fuel Filter, Spin On
140517020 Engine Oil Filter
080109108 V -Belt, Alternator
Service Literature
PART NO. DESCRIPTION
109821 Shibaura Diesel Engine Manual
109823 Shibaura Diesel Engine Service Manual
Note: When ordering parts, yo u must use the part number as shown for each part, not the index number. Always give
the model and serial number to your parts and service represen tative.
Note: Items sold in bulk such as seals and hoses are sold by the foot.
Using this manual
Illustrations used were current at the time of printing, but subsequent production changes may cause your machine to
vary slightly in detail. Excel Industries, Inc. reserves the right to redesign and change the machine as deemed nece ssary, without notification. If a change has been made to your machine which is not reflected in this parts manual, see
your Hustler dealer for current information and parts.
101741 05/09 1-1
Hardware Description Codes & Abbreviations
The following codes are used throughout this parts manual. Refer to this list when ordering parts.
ABBREVIATION DESCRIPTION
CB Carriage Bolt
CE Clevis Pin
CP Cotter Pin
CS Cap Screw
CW Cup Washer
FDRW Fender Washer
FW Flat Washer
HX Hex Head
LW Lock Washer
MB Machine Bushing
MS Machine Screw
NT Nut
SC Self Tapping Cap Screw
SH Socket Head
SB Shoulder Bolt
SS Set Screw
OD Outside Diameter
ID Inside Diameter
Standard Torques
The following chart lists the standard torque va lues for the threaded fasteners found in this manual. Torque all cap
screws, nuts and set screws to these values unless a different torque is shown in the Notes se ction next to the fastener .
SIZE FT-LBS NM SIZE FT-LBS NM
.250 8.2 11.1 M3 1 1.3
.312 17 23 M4 2.2 3
.375 30 40 M5 4.5 6.1
.438 48 65 M6 7.7 10.4
.500 73 99 M8 18.5 25
.562 105 143 M10 37 50
.625 145 200 M12 64 87
.750 260 350 M14 80 108.5
.875 420 565 M16 160 215
1.00 625 850 M20 320 435
M24 555 750
NOTE:
Loctite® 592 to be used on all pipe threads.
Lubricate all grease zerks.
1-2 101741 05/09
Chapter 2 Contents
Valve Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Rocker Arm Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Cylinder Head & Exhaust Manifold . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Cylinder Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Oil Pan, Flywheel, & Starter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
101741 05/09 2-1
Valve Cover
15
14
16
4
5
3
11
2
9
13
8
1
10
7
6
12
2-2 101741 05/09
Valve Cover
ITEM NO.
1 111996420 1 VALVE COVER GASKET
2 111211120 1 VALVE COVER
3 110666220 1 BAFFLE
4 110666060 1 STEEL WOOL
5 015600406 4 SCREW
6 140996260 3 GASKET
7 024600008 3 CAP NUT
8 198436010 1 CAP
9 052100400 1 O-RING
10 110566080 1 BREATHER VALVE
11 011100408 4 BOLT
12 011310680 3 BOLT
13 011310625 2 BOLT
14 135566560 1 AIR INTAKE
15 135996750 1 GASKET
16 011310620 2 BOLT
SERVICE
PART NO.
QTY. DESCRIPTION
NOTES:
101741 05/09 2-3
Rocker Arm Assembly
15
16
17
2
14
13
12
13
4
5
8
8
3
6
7
10
11
3
7
2
2
3
9
19
16
18
1
1
2-4 101741 05/09
Rocker Arm Assembly
ITEM NO.
1 120036980 1 ROCKER ARM ASSEMBLY
2 120356200 3 ROCKER ARM COMPL; INTAKE
3 120356210 3 ROCKER ARM COMPL; EXHAUST
4 199486220 6 SCREW
5 020109076 6 NUT
6 120316300 1 ROCKER ARM SHAFT
7 198216780 2 SPRING
8 199280280 4 SHIM
9 015100410 1 SCREW
10 052100120 1 O-RING
11 198436150 1 PLUG
12 140607270 1 OIL PIPE COMPL
13 140996260 4 GASKET
14 198486780 2 EYE BOLT
15 120996150 1 GASKET
16 011310625 2 BOLT
17 023100008 3 NUT
18 012109177 3 STUD BOLT
19 185246250 1 OIL PRESSURE SWITCH
SERVICE
PART NO.
QTY. DESCRIPTION
1. Item 1 includes (items 2 -11).
NOTES:
101741 05/09 2-5
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