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SECTION 10

ELECTRICAL SYSTEM

10A Repair, Service Tools, and Materials .............................................................................................................. 1

Materials Required ................................................................................................................................... 1

10B Failure Analysis .............................................................................................................................................. 3

General .................................................................................................................................................... 3

10C General Instructions........................................................................................................................................ 7

General .................................................................................................................................................... 7

Wire Continuity Test ................................................................................................................................. 8

Resistance Test........................................................................................................................................ 8

10D Battery ............................................................................................................................................................ 9

General .................................................................................................................................................... 9

Charging a Maintenance Free Battery ..................................................................................................... 9

Maintenance/Cleaning ............................................................................................................................. 9

Testing.................................................................................................................................................... 10

10E Charging System ...........................................................................................................................................11

General ...................................................................................................................................................11

Output Voltage Test.................................................................................................................................11

Voltage Test............................................................................................................................................ 12

Regulator Test ........................................................................................................................................ 12

10F Starter ........................................................................................................................................................... 13

General .................................................................................................................................................. 13

Field Test................................................................................................................................................ 13

Starter Motor .......................................................................................................................................... 13

10G Switches ....................................................................................................................................................... 15

General .................................................................................................................................................. 15

Seat Switch Test..................................................................................................................................... 15

Ignition Switch Test ................................................................................................................................ 15

Water Temperature Switch Test ............................................................................................................. 19

Parking Brake, Neutral Start, Reel Position, And 4WD Drop Out Proximity Switches Test.................... 19

Continuity Test........................................................................................................................................ 19

Sensitivity Test ....................................................................................................................................... 20

Reel Switch Test..................................................................................................................................... 20

Backlap Switch Test ............................................................................................................................... 21

4 Wheel Drive Switch Test ..................................................................................................................... 22

Joystick Test........................................................................................................................................... 22

Light Switch Test .................................................................................................................................... 23

Horn Switch............................................................................................................................................ 24

Float Switch............................................................................................................................................ 24

10H Senders ........................................................................................................................................................ 27

General .................................................................................................................................................. 27

Coolant Temperature Sender Test ......................................................................................................... 27

Engine Oil Pressure Sender Test ........................................................................................................... 27

10I Relays and Solenoids................................................................................................................................... 29

Relays .................................................................................................................................................... 29

Relay Test .............................................................................................................................................. 29

Solenoids ............................................................................................................................................... 30

Fuel Solenoid Test.................................................................................................................................. 30

Reel Valve Solenoids ............................................................................................................................. 31

Brand	Textron
Model	Jacobsen LF-1880
Category	Lawn Mower
Language	English

Textron Jacobsen LF-1880 User Manual

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