240
Condition Cause Remedy
Brake lamps do not light when
depress the brake pedal(s)
Blown out 10 amp fuse (36)
Defective diode (38)
Brake pedal switches adjustment are not
correct
Defective brake switch relay (21)
Insufficient battery charge (31)
Blown fusible link (32)
Improper wiring connection
Improper ground
Replace
Replace
Readjust
Replace
Recharge
Replace
Repair
Repair
Starting motor will not energized
Insufficient battery charge (31)
Blown fusible link (32)
Malfunctioning key switch (22)
Improper wiring connection
Improper ground
Defective safety start relay (29)
Defective or unadjusted range safety switch
(18-A) (HST model)
Defective or unadjusted rear PTO switch
(18-B) (HST model)
Defective or unadjusted mid PTO Switch
(18-C) (HST model)
Defective or unadjusted main safety switch
(19-A) (9
×
3 model)
Defective or readjusted rear PTO switch
(19-B) (9
×
3 model)
Defective or unadjusted mid PTO switch
(19-C) (9
×
3 model)
Recharge
Replace
Replace
Repair
Repair
Replace
Replace or correct
Replace or correct
Replace or correct
Replace or correct
Replace or correct
Replace or correct
Flasher and hazard light not
illuminated
Defective flasher relay (26)
Defective ground
Blown out bulb (12 and 13)
Blown out 15 amp fuse (36)
Insufficient battery charge (31)
Blown fusible link (32)
Improper wiring connection
Improper ground
Replace
Correct
Replace
Replace
Recharge
Replace
Repair
Repair
Glow plugs will not heat
Insufficient battery charge (31)
Blown out fusible link wire (32)
Defective glow plugs (34)
Malfunctioning key switch (22)
Improper wiring connection
Improper ground
Recharge
Replace
Replace
Replace
Repair
Repair
Cold starting indicator light will not
illuminated
Defective glow lamp timer (27)
Defective glow lamp relay (28)
Defective ground
Insufficient battery charge (31)
Blown fusible link (32)
Blown 5 amp fuse (35)
Malfunctioning key switch (22)
Improper wiring connection
Improper ground
Blown out bulb (8)
Malfunctioning instrument panel wiring (8)
Replace
Replace
Correct
Recharge
Replace
Replace
Replace
Repair
Repair
Replace
Replace
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...