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SXG323
Jacobsen SXG323 User Manual
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CHAPTER 7. FUEL SY
STEM
75
7
1. INJECT
ION PUMP CONSTRUCT
ION
The illustr
ations used i
n this s
ection show th
e 3-cylinder
type.
The construc
tion is the
same as th
at of the 2-c
ylinder t
ype
except in c
ylinder n
umber.
Fig. 7-1
兟
Specif
ications
Pump t
ype
Element
Pre-str
oke
Rack stroke
Allowabl
e max. s
peed
NP-PFR2MD
60/1NP6
䪻
6.0 m
m, c
ounter-clock
wise leading:
12 mm (
0.472 in.)
1.9±0.05 m
m (0.075±
0.002 in.)
10 mm
(0.394 in.)
Np=2750 rpm
CHAPTER 7. FUEL SY
STEM
75
77
Table of Contents
Service Manual for Sxg323&326 Total
3
Foreword
2
Table of Contents
3
Total Contents
3
Chapter 1. General Information
12
Model Name and Identifications Numbers
12
Specifications
13
Exterior View
14
Periodic Inspection Table
15
Filling Diagram
16
Chapter 2. Disassembly of Major Components
18
General Precautions for Separation and Reinstallation
18
Before Operation
18
Precautions to be Followed When Installing Common Parts
18
Disassembly of Functional Blocks
21
Removal of the Mower Deck
21
Detaching the Collector
22
Detaching the High Dump Collector
22
Detaching the Low Dump Collector
22
Removal of Fender(Wing) Panel
23
Removal of Floor Step, Cover and Fuel Tank
23
Removal of Major Functional Components
23
Removal of Radiator
24
Removal of Steering Heel,Meter Panel
24
Removal of Engine
25
Removal of Rear Axle Case
25
Removal of Front Axle Case and Steering Cylinder
26
Removal of Transmission Case
26
Reinstallation
27
Chapter 3. Engine Accessories
28
Radiator
28
Cooling Fan and Belt
29
Air Cleaner
30
Fuel System
30
Trouble Shooting
32
Chapter 4. Engine
34
Engine
34
Specifications
34
Performance Curves
35
Inspection and Adjustment
36
Inspection of Engine Oil
36
Inspection of Fan Belt
36
Inspection and Adjustment of Injection Timing
37
Inspection and Adjustment of Nozzle Opening Pressure and Injection Timing
37
Inspection and Adjustment of Valve Clearances
37
Compression and Unloaded Idling Speeds
40
Inspection of Water Pump
40
Cylinder Head
41
Engine Body
41
Inspection of Thermostat
41
Disassembly
46
Installation of the Cylinder Head
47
Exploded View
49
Gear Case
49
Removal of the Gear Case
49
Re-Installation of the Gear Case
50
Cylinder Block
51
Exploded View
51
Disassembly of the Cylinder Block
52
And Tappets
53
Inspection of Cylinder Block,Crankshaft, Camshaft
53
Inspection of Pistons and Connecting Rods
58
Assembly of Piston and Connecting Rod
60
Installation of Crankshaft
61
Installation of Piston/Con-Necting-Rod Assemblies
62
Installation of Rear Oil Seal
63
Installation of Rear Plate and Flywheel
63
Installation of Strainer and Oil Pan
63
Installation of Front Plate and Gears
64
Chapter 5. Lubrication System
68
General Description
68
Lubrication Diagram
68
Oil Filter
69
Relief Valve
69
Exploded View of Oil Pump
70
Inspection
71
Removal of Oil Pump
71
Removal, Disassembly, Inspection and Re-Installation of Oil Pump
71
Installation of Oil Filter
72
Installation of Oil Pump
72
Oil Filter
72
Removal of Oil Filter
72
Chapter 6. Cooling System
74
Cooling System Diagram
74
Inspection of Thermostat
74
Installation of Thermostat
74
Removal of Thermostat
74
Thermostat
74
Inspection of Water Pump
75
Installation of Water Pump
75
Removal of Water Pump
75
Water Pump
75
Chapter 7. Fuel System
76
Injection Pump Construction
76
Removal, Disassembly, Inspection, Re-Assembly, and Installation
77
Disassembly of Injection Pump
78
Removal of Injection Pump
78
Inspection
80
Re-Assembly
81
Injection Nozzles and Holders
82
Inspection of Injection Nozzles
82
Removal of Injection Nozzles and Holders
82
Disassembly and Washing of Injection Nozzles
83
Installation of Injection Noules and Holders
84
Installation of Injection Nozzles and Holders
84
Governor
85
Governor Construction
85
Governor Operation
87
Chapter 8. Transmission and Related Parts
88
Chapter 9. Rear Axle
94
Construction
94
Chapter 10. Hydrostatic Transmission
96
Construction and Names of Major Components
96
Operating Diagram of Hst
97
Function
98
Variable Type Pump
98
Disassembly and Reassembly
101
Disassembly
104
Criteria for Replacing Worn Parts
107
Precaution before Reassembly
108
Reassembly
108
List of Major Components of Hist
114
Precautions after Installation of Hst Unit
114
Precautions for Installation of Hst Unit
114
Adjustment of Hist
115
Chapter 11. Hydraulic System
118
Hydraulic System Diagrams
118
Hydraulic Pump (Gear Pump)
120
Inspection of Major Components
120
Relief Valve Function
120
Suction Filter
120
OIL FILTER (Relief Metal (Support)
121
RELIEF METAL (Support)
121
Chapter 12. Power Steering System
122
Construction
122
Working Principle
123
Major Troubles and Causes, and Countermeasures
124
Chapter 13. Electrical Accessories
128
Electrical Compornens and Wire Harness
128
Wiring Diagram (E Type)
130
Wiring Diagram (Ge Type)
131
Starter
132
Inspection of Components
133
Removal and Disassembly of Starter
133
Reassembly of Starter
136
Inspection of the Starter after Removal from the Tractor
137
Performance Test
137
Installation of the Starter
138
Alternator
139
Exploted View, Specifications, and Performance Curves
139
Inspection
142
Re-Assembly
145
Glow Plugs
146
Sectional View
146
Removal, Inspection, and Re-Assembly
147
Mower Deck
150
Chapter 1. For Safety Labels
152
Chapter 2. Specifications
154
Chapter 3. Attaching and Detaching the Mower Deck
156
Attaching the Mower Deck
156
Detaching the Mower Deck
157
Chapter 4. Mower Operation
158
Starting Mowing Operation
159
Emergency Stop
160
Stopping Mowing Operation
160
Chapter 5. Inspection and Maintainance of Major Parts
164
Inspection and Replacement of Bevel Gear Case
164
Inspection & Replacement of Blades
165
Inspection and Replacement of Front Belt
165
Cleaning of Mower Deck
167
Inspection of Gauge Wheels
167
Inspection of Rollers
167
Filling Diagram
168
Periodical Inspection Table
169
Storage of Mower Deck
170
Chapter 6. Disassembly and Reassembly of Gear Box
172
Construction
172
Backlash Adjustment
174
Disassembly and Reassembly
174
Chapter 7. Inspection of Mower Deck Scma Type
176
Chapter 8. Troubleshooting
180
Collector
184
Chapter 1. Safety Labels
186
Chapter 2. Specifications
188
Chapter 3. Name of Major Components
190
SBC600X-HQE4 (High Dump Collector)
190
SBC550X-LE4 (Low Dump Collector)
190
Chapter 4. Detaching and Attaching the Collector
192
Detaching the High Dump Collector (Sbc600X-Hqe4)
192
Attaching the High Dump Ollector (Sbc600X-Hqe4)
193
Detaching the Low Dump Collector (Sbc550X-Le4)
194
Attaching the Low Dump Collector (Sbc550X-Le4)
194
Chapter 5. Collector Operation
196
Berore Operation
196
Adjustment of the Grass Limit Sensor
196
Inspection before Operation
196
Cleaning a Collector
197
Efficient Collecting
197
Chapter 6. Inspection and Maintainance of Major Parts
198
Inspection of Cylinder
198
Inspection of Hydraulic Hoses
198
Filling Diagram
199
Periodical Inspection Table
200
Storing the Collector
201
Chapter 7. Assembly Instruction
202
SBC600X-LQE4 (High Dump Collector)
202
SBC550X-LE (Low Dump Collector)
220
Chapter 8. Troubleshooting
228
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Jacobsen SXG323 Specifications
General
Brand
Jacobsen
Model
SXG323
Category
Lawn Mower
Language
English
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