80
(5) After the engine starts, the motor does not stop when the key switch is released.
Trouble Case
Remedy
Key switch
Faulty switch
Replace
Magnetic switch
Faulty magnetic switch
Replace
3. GLOW
PLUG
Ultra high speed heating type, IQS purpose glow plugs are used in this engine. For IQS system, refer to (Section 3-8
Electrical equipment and accessory).
1) Specifications
Model
Part No.
NGK Part No. Resistance Insulator
color
S753
·
S773
185366190 Y701RS
1
Ω
B;ie
S773L 185366220
YE01
1
Ω
-
4. THERMO
SENSOR
1) Specifications
Part No.
385720010
Temperature Resistance
35°C
670 ± 80
Ω
80°C
118 ± 6
Ω
105°C
54.5 ± 2.7
Ω
115°C
42 ± 2.5
Ω
The resistance rating is measure on the special circuit.
5. OIL PRESSURE SWITCH
Construction
The oil pressure switch is a warning device to inform low
engine lubricating oil pressure. When oil pressure becomes
less than specified one, this switch lights up the oil
pressure warning lamp.
This pressure switch houses a diaphragm and a contact
points as shown.
Oil pressure switch
Operating range
0.0196 – 0.0392 MPa
(Max. 0.2 – 0.4 kgf/cm
2
)
T208
T209
Summary of Contents for ST318
Page 1: ......
Page 4: ...3 Chapter 1 GENERAL...
Page 27: ...26...
Page 28: ...27 Chapter 2 ENGINE Tractor Model Engine Model ST318 S753 ST321 S773 ST324 S773L...
Page 29: ...28 2 1 Engine Sectional View T100 T101...
Page 48: ...47 13 Oil flow T140...
Page 98: ...97 Chapter 3 TRACTOR MAIN BODY...
Page 132: ...131 2 HYDROSTATIC TRANSMISSION 1 SPEED PTO MID PTO 1 Sectional view T505 T506...
Page 154: ...153 Take out the swash plate from the case T566...
Page 194: ...193 Model 9 3 shown...
Page 199: ...198 4 CONTROL VALVE 1 Control valve relief valve 340013400 1 Name of components T658...
Page 203: ...202 2 Control valve for lifting lowering implement 340016110 1 Name of components T667...
Page 223: ...221...
Page 224: ...222...
Page 225: ...223...
Page 226: ...224...
Page 228: ...226 4 LIGHTEING CIRCUIT T702...
Page 229: ...227 5 HORN CIRCUIT T703...
Page 230: ...228 6 FUEL LEVEL CIRCUIT T704...
Page 231: ...229 7 ENGINE STOP SOLENOID CIRCUIT T705...
Page 232: ...230 8 ENGINE COOLANT TEMPERATURE CIRCUIT ENGINE OIL PRESSURE WARNING CIRCUIT T706...
Page 233: ...231 9 HST CRUISE CONTROL CIRCUIT T707...
Page 234: ...232 10 PARKING BRAKE WARNING LIGHT CIRCUIT T708...
Page 235: ...233 11 BRAKE LAMP CIRCUIT T709...
Page 236: ...234 12 SAFETY START CIRCUIT T710...
Page 237: ...235 13 FLASHER AND HAZARD LUMP CIRCUIT T711...
Page 238: ...236 14 GLOW PLUG AND GLOW LAMP CIRCUIT T712...
Page 239: ...237 15 ALTERNATOR AND ENGINE STOP SOLENOID CIRCUIT T713...