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Textron JACOBSEN GP400 - Page 349

Textron JACOBSEN GP400
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Index
4252490-Rev A IX-11
IX
T
Test
Backlap Switch . . . . . . . . . . . . . . . . . . . . . . . 4-44
Carb Solenoid (Gasoline) . . . . . . . . . . . . . . . 4-48
Engine Stop Relay (Gasoline) . . . . . . . . . . . 4-42
Fuel Shutoff Solenoid . . . . . . . . . . . . . . . . . . 4-47
Fuel Shutoff Timer . . . . . . . . . . . . . . . . . . . . 4-48
Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-41
Horn Switch . . . . . . . . . . . . . . . . . . . . . . . . . 4-44
Key Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 4-42
Lower Solenoid . . . . . . . . . . . . . . . . . . . . . . 4-46
Mow Solenoid . . . . . . . . . . . . . . . . . . . . . . . 4-47
Mow Switch . . . . . . . . . . . . . . . . . . . . . . . . . 4-43
Raise Solenoid . . . . . . . . . . . . . . . . . . . . . . . 4-46
Raise/Lower Switch Assembly . . . . . . . . . . . 4-45
Relays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-41
Rocker Switches . . . . . . . . . . . . . . . . . . . . . 4-43
Seat Switch . . . . . . . . . . . . . . . . . . . . . . . . . 4-46
Work Light Switch . . . . . . . . . . . . . . . . . . . . 4-43
Tests and Adjustments . . . . . . . . . . . . . . . . . . 5-32
Hydrostatic Power Train . . . . . . . . . . . . . . . . 5-32
Neutral Adjustments . . . . . . . . . . . . . . . . . . . 5-32
Theory and Diagnostic Information
Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Theory of Operation
Backlap Circuit . . . . . . . . . . . . . . . . . . 4-28, 6-26
Diesel Engine Circuit . . . . . . . . . . . . . . . . . . 4-15
Gasoline Engine Circuit . . . . . . . . . . . . . . . . 4-19
Instrumentation Circuit . . . . . . . . . . . . . . . . . 4-33
Lower Circuit . . . . . . . . . . . . . . . . . . . 4-23, 6-22
Mow Circuit . . . . . . . . . . . . . . . . . . . . 4-26, 6-24
Power Circuit . . . . . . . . . . . . . . . . . . . . . . . . 4-14
Raise Circuit . . . . . . . . . . . . . . . . . . . . 4-23, 6-20
Steering Circuit . . . . . . . . . . . . . . . . . . . . . . 6-18
Traction Circuit—Forward (2WD Models) . . 5-11
Traction Circuit—Forward (3WD Models) . . 5-23
Traction Circuit—Neutral (2WD Models) . . . . 5-7
Traction Circuit—Neutral (3WD Models) . . . 5-19
Traction Circuit—Reverse (2WD Models) . . 5-15
Traction Circuit—Reverse (3WD Models) . . 5-27
Work Light Circuit . . . . . . . . . . . . . . . . . . . . . 4-30
Theory of Operation and Sub Circuit Schematics
Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
Theory of Operation and Sub-Circuit Schematics
Hydraulics . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18
Hydrostatic Power Train . . . . . . . . . . . . . . . . . 5-7
Thermostat (Diesel)
Removal and Installation . . . . . . . . . . . . . . . 3-11
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
Throttle Cable (Diesel)
Removal and Installation . . . . . . . . . . . . . . . . 3-9
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Throttle Cable (Gasoline)
Removal and Installation . . . . . . . . . . . . . . 3-20
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20
Throttle Lever
Removal and Installation . . . . . . . . . . . . . . 9-14
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-14
Tire Service
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Tool Box
Removal and Installation . . . . . . . . . . . . . . 9-17
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-17
Top and Bottom Sequence Valves
Removal and Installation . . . . . . . . . . . . . . 6-51
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-51
Traction Circuit—Forward (2WD Models)
Hydraulic Schematic . . . . . . . . . . . . . . . . . . 5-12
Theory of Operation . . . . . . . . . . . . . . . . . . 5-11
Traction Circuit—Forward (3WD Models)
Hydraulic Schematic . . . . . . . . . . . . . . . . . . 5-24
Theory of Operation . . . . . . . . . . . . . . . . . . 5-23
Traction Circuit—Neutral (2WD Models)
Hydraulic Schematic . . . . . . . . . . . . . . . . . . . 5-8
Theory of Operation . . . . . . . . . . . . . . . . . . . 5-7
Traction Circuit—Neutral (3WD Models)
Hydraulic Schematic . . . . . . . . . . . . . . . . . . 5-20
Theory of Operation . . . . . . . . . . . . . . . . . . 5-19
Traction Circuit—Reverse (2WD Models)
Hydraulic Schematic . . . . . . . . . . . . . . . . . . 5-16
Theory of Operation . . . . . . . . . . . . . . . . . . 5-15
Traction Circuit—Reverse (3WD Models)
Hydraulic Schematic . . . . . . . . . . . . . . . . . . 5-28
Theory of Operation . . . . . . . . . . . . . . . . . . 5-27
Traction Lever Assembly
Removal and Installation . . . . . . . . . . . . . . 9-13
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-13
Traction Pedal
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 7-11
Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
Traction Pedal Assembly
Disassembly and Assembly . . . . . . . . . . . . 9-12
Removal and Installation . . . . . . . . . . . . . . 9-11
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-11
Traction Pump
Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-41
Traction Pump and Control
Disassembly, Inspection, and Assembly . . 5-51
Removal and Installation . . . . . . . . . . . . . . 5-50
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-50

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