Jacobsen LF557 4WD - Page 137

137
LIGHTWEIGHT FAIRWAY MOWER
SW5 See 18.1 3001279 Hydraulic Level Switch
SW6 Not Shown 4139450 Seat Switch Standard Michigan Seat
SW7 Not Shown 4297937 Seat Switch Optional Grammer Seat
SW8 See 6.1 4283269 Ignition Switch
OFF- 1+6; 4+5
Run - 1+3+4+5+6
Start - 1+2+4+5+6
SW9 See 6.1 4130133 Horn Switch
SW10 See 6.1 4343926 Mow Switch
SW11 See 6.1 4323427 Joystick, 5 Gang Mower LF550 and LF570 Options
SW11 See 6.1 4323428 Joystick, 7 Gang Mower LF557 and LF577 Options
SW12 See 6.1 4130132 Light Switch
SW13 See 6.1 4130132 Parking Brake Switch
SW14 See 6.1 4130132 Cruise Control Switch
SW15 Not Shown 4306348 Engine Oil Pressure Switch T4F/S5, Included in Engine
SW15 Not Shown 554018 Engine Oil Pressure Switch T4I, Included in Engine
SW16 Not Shown 4297128 Water Separator Sensor T4F/S5, Included in Engine
SW17 See 43.1 4196920 Left Wing Proximity Switch #1
SW18 See 43.1 4196920 Right Wing Proximity Switch #1
SW19 See 43.1 4196920 Left Wing Proximity Switch #2
SW20 See 43.1 4196920 Right Wing Proximity Switch #2
U1 See 44.1 Engine Controller (ECU) T4F/S5, Included in Engine
U2 Not Shown 4297158 Crankshaft Position Sensor T4F/S5, Included in Engine
U3 Not Shown 4297200 Camshaft Position Sensor T4F/S5, Included in Engine
U4 Not Shown 4297197 Fuel Rail Pressure Sensor T4F/S5, Included in Engine
U5 See 7.1 4282078 Traction Pedal
U6 Not Shown 4306353 Intake Throttle Valve T4F/S5, Included in Engine
U7 Not Shown 4251858 Coolant Temperature Sender T4F/S5, Included in Engine
U8 Not Shown 4306357 EGR Valve T4F/S5, Included in Engine
U9 Not Shown 4297183 DPF Exhaust Temperature Sender 2 T4F/S5, Included in Engine
U10 Not Shown 4297130 DPF Exhaust Temperature Sender 1 T4F/S5, Included in Engine
U11 Not Shown 4297129 DPF Exhaust Temperature Sender 0 T4F/S5, Included in Engine
U12 Not Shown 4297132 Diff Pressure Sender T4F/S5, Included in Engine
U13 Not Shown 4297198 Injector, Cylinder 1 T4F/S5, Included in Engine
U14 Not Shown 4297198 Injector, Cylinder 2 T4F/S5, Included in Engine
U15 Not Shown 4297198 Injector, Cylinder 3 T4F/S5, Included in Engine
U16 Not Shown 4297198 Injector, Cylinder 4 T4F/S5, Included in Engine
U17 See 14.1 4297131 MAF Sensor (Mass Air Flow) T4F/S5, Included in Engine
U18 See 44.1 4304518 Mower Controller (MCU)
U19 See 44.1 4329528 Wing Controller Unit (WCU) LF557 and LF577 Options
U20 See 6.1 4150539 Horn
U21 See 6.1 4304519 LDU Controller
U22 Not Shown 5000938 Alternator Included in Engine
U23 See 6.1 843942 12V Accessory Outlet
Item
Reference
Illustration
Part
Number
Description Serial Numbers/Notes