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GZD15
Kubota GZD15 User Manual
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GZD15, W
SM
HYDRAULIC SYSTEM
4-S3
2.
SER
VICING SPECIFICA
TIONS
Item
Factory Spe
cification
Allowable Limit
Relief V
alve (C
ontrol Valv
e)
Se
tting Pr
essure
10.7
9 to 11.
77 MPa
110 to 12
0
1560 to 1708 psi
0000001586E
KiSC issued 04, 2006 A
213
215
Table of Contents
General
15
Default Chapter
6
Safety Decals
6
Specifications
10
Table of Contents
15
1 Identification
16
2 General Precautions
17
3 Handling Precautions for Electrical Parts and Wiring
18
Wiring
18
Battery
20
Fuse
20
Connector
20
Handling of Circuit Tester
21
4 Lubricants, Fuel and Coolant
22
5 Tightening Torques
24
General Use Screws, Bolts and Nuts
24
Metric Screws, Bolts and Nuts
24
American Standard Screws, Bolts and Nuts with Unc or Unf Threads
25
Plugs
25
6 Maintenance
26
7 Check and Maintenance
28
Daily Check
28
Check Points of Initial 50 Hours
34
Check Point of Initial 100 Hours
39
Check Points of Every 50 Hours
40
Check Points of Every 100 Hours
45
Check Point of Every 150 Hours
49
Check Points of Every 200 Hours
49
Check Points of Every 400 Hours
51
Check Points of Every 1 Year
51
Check Points of Every 2 Years
54
Others
55
8 Special Tools
65
Special Tools for Engine
65
Special Tools for Machine
71
1 Engine
73
1 Engine Body
74
Half-Floating Head Cover
74
Gear Case
74
Oil Pan
75
2 Lubricating System
76
3 Cooling System
77
4 Fuel System
78
Fuel Line
78
Table of Contents
79
Troubleshooting
80
Servicing Specifications
83
Tightening Torques
88
Checking, Disassembling and Servicing
89
Separating Engine
89
Draining Coolant and Engine Oil
89
Engine Body
95
Checking and Adjusting
95
Disassembling and Assembling
98
Servicing
111
Lubricating System
129
Checking
129
Servicing
130
Cooling System
131
2 Transaxle
141
1 Structure
142
2 Travelling System
143
Hydrostatic Transmission
143
Structure
143
Pump and Motor
144
Check and High Pressure Relief Valve
145
Oil Flow
146
Power Trains Operation
147
Motion Control Linkage
148
Final Reduction Gear Section
149
PTO System
150
Brake
153
Table of Contents
154
1 Troubleshooting
155
2 Servicing Specifications
157
4 Checking and Adjusting
159
5 Disassembling and Assembling
165
Separating Transaxle
165
Separating Front Pto Case
176
Hydrostatic Transmission
178
6 Servicing
178
Transmission Case
180
Front Axle
183
Table of Contents
186
1 Troubleshooting
187
2 Servicing Specifications
188
Checking and Adjusting
190
4 Checking, Disassembling and Servicing
190
Disassembling and Assembling
191
Separating Floor Cover and Front Axle
191
Disassembling Front Wheel and Wheel Bracket
193
Hydraulic System
194
4 Hydraulic System
195
1 Hydraulic Circuit
196
2 Hydraulic Pump
197
3 Hydraulic Control Valve
198
4 Lift Cylinder
206
Mower Lift Cylinder
206
Grass Collector Lift Cylinder and Grass Collector Dump Cylinder
207
5 Mower Linkage
208
Comparison of High Dump and Low Dump Grass Collector
209
6 Grass Collector Control Mechanism
209
Grass Collector Control Mechanism
210
Table of Contents
211
1 Troubleshooting
212
2 Servicing Specifications
214
3 Checking, Disassembling and Servicing
215
Hydraulic Control Valve and Pump
215
Checking and Adjusting (GZD15-HD(E) Serial No. : below 10736)
215
Disassembling and Assembling
217
Mower Lift Cylinder
219
Disassembling and Assembling
219
Grass Collector Lift Cylinder
220
Disassembling and Assembling
220
Grass Collector Dump Cylinder
222
Disassembling and Assembling
222
Electrical System
223
5 Electrical System
224
1 Wiring Diagram
225
2 Starting System
228
Starter
231
Glow Plug
232
Safety Switch (Limit Switch)
232
Engine Stop Solenoid
233
Fuel Pump
233
3 Charging System
234
Ac Dynamo
235
Regulator
235
Easy Checker (Tm)
236
Table of Contents
237
1 Troubleshooting
238
2 Servicing Specifications
240
Battery
242
Checking
242
4 Checking, Disassembling and Servicing
242
Starting System
243
Checking
243
Disassembling and Assembling
250
Servicing
250
Charging System
253
Checking
253
Disassembling and Assembling
254
Servicing
254
Lifting Mechanism
258
Troubleshooting
260
Servicing Specifications
261
Checking, Disassembling and Assembling
263
Checking and Adjusting
263
Disassembling and Assembling
265
4
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Kubota GZD15 Specifications
General
Transmission
Hydrostatic
Drive Type
2WD
Engine Type
Diesel
Engine Power
15 HP
Weight
640 kg
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