INDEX
4222983 First Edition IX-11
IX
Steering Yoke
Removal and Installation ............... 5-11
Repair ............................. 5-11
Switches
Component Symbols ................... 4-9
Switching Devices
Component Symbols ................... 4-9
System Diagnostic Trouble Codes
12 Volt System Low ................... 4-95
48 Volt System High .................. 4-95
48 Volt System Low ................... 4-95
Low Fuel Warning .................... 4-95
Oil pressure Alarm .................... 4-94
Temperature High Alarm ............... 4-94
T
TCU
Removal and Installation .............. 4-142
Repair ............................ 4-142
TCU Fan
Removal and Installation .............. 4-141
Repair ............................ 4-141
Temperature High Alarm
System Diagnostic Trouble Codes ........ 4-94
Test
150A and 300A Fuses ................ 4-127
3WD Fault 4310 and 4210 .............. 4-82
3WD Fault 7310 ...................... 4-82
Accessory Socket Fuse ............... 4-128
Brake Coil ......................... 4-133
Brake Pedal Switch .................. 4-132
Circuit Breakers ..................... 4-127
Extremely Slow Traction, No Fault ........ 4-80
Fan Relay .......................... 4-128
Fault
48 Volt System Low or Short Run Time – All
Electric Units Only ............ 4-74
Actuator Fault/Short Circuit ........... 4-78
Check Actuator ..................... 4-79
Check Reel ........................ 4-77
Engine RPM Does Not Increase With Load
Changes – Gas and Diesel Hybrid Units
Only ....................... 4-75
Engine RPM Fluctuates (Hunting) – Gas and
Diesel Hybrid Units Only ....... 4-75
Miniscule Change in Steering Angle without
Operator Input (Ghost Steering) . 4-83
Traction Surge or Hesitation During Mow 4-80
Vehicle Will Not Start – Gas and Diesel Hybrid
Units Only ................. 4-74
Fuel Shutoff Solenoid (Diesel) ......... 4-133
Fuel Shutoff Solenoid (Gas) ........... 4-134
Key Switch ........................ 4-129
LCD Display CAN Bus Status ........... 4-85
LCD Display Lift Actuator Amps ......... 4-78
LCD Display Maintenance Mode ........ 4-73
LCD Display Reel Motor Amps .......... 4-76
LCD Display Reel Motor Speed ......... 4-76
LCD Display Reel Motor Temperature .... 4-77
LCD Display Switch Test .............. 4-85
LCD Display System Volts ............. 4-73
LCD Display Taction Motor Amps ........ 4-82
LCD Display TCU and Traction Motor
Temperature ..................... 4-80
Mow Switch ........................ 4-129
No Steering, No Fault
Traction Operational ................ 4-83
No Traction, No Fault ................. 4-79
Raise/Lower Switch Assembly ......... 4-131
Rocker Switches .................... 4-130
Seat Switch ........................ 4-131
Software Revision Level ............... 4-85
Steering Fault
2310, 2340, 4210, 4310, 7310 ........ 4-83
6211 - Both TPS and Proximity Versions 4-84
7380 ............................ 4-84
Throttle Actuator (Diesel) ............. 4-134
Throttle Actuator (Gas) ............... 4-135
Traction Fault 6211 ................... 4-81
Traction Fault 6212 (OLM and BRC) ..... 4-81
Traction Fault 6214 ................... 4-82
Traction Surging During Mow/Transport, No Fault
4-81
Theory of Operation—Electrical
Diesel Engine ....................... 4-31
Electrical Sub-Circuits ................. 4-28
Gas Engine Circuit ................... 4-37
Genset Circuit ....................... 4-68
Horn and Work Light Circuit ............ 4-28
Mow Circuit ......................... 4-49
Raise/Lower Circuit ................... 4-41
Steering Circuit ...................... 4-63
Traction Circuit ...................... 4-55
Thermostat (Diesel)
Removal and Installation ............... 3-17
Repair ............................. 3-17
Throttle Actuator (Diesel)
Removal and Installation ............... 3-18
Repair ............................. 3-18
Test .............................. 4-134
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