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Troubleshooting
3A2593C Repair
43
Troubleshooting
General
*
For Series A, B of 24F307, 24K960, 24K961, 24K962,
24M608 and Series A of 16V470, 16V471, 16V473,
16V474, 24U561
**
For Series C of 24F307, 24K960, 24K961, 24K962,
24M608 and Series B of 16V470, 16V471, 16V473,
16V474, 24U561
Problem
Cause
Solution
Engine will not crank **
Battery is discharged.
Turn key switch to ON. Choke engine and pull recoil
starter rope.
Key switch is defective.
Replace key switch.
Main wire harness is defective.
Replace wire harness, see Wiring Diagram, page 50.
Engine cranks slow **
Excessive hydraulic load. Engine clutch switch
is on.
Turn engine clutch switch OFF.
Engine pulls hard *
Excessive hydraulic load. Main power switch is
on.
Turn main power switch OFF.
Engine will not start
Engine is out of gas.
Refill gas tank. See engine manual.
Fuel shut-off lever is OFF.
Move fuel shut-off lever to ON position.
Engine switch is OFF.*
Turn engine switch ON.
Engine oil level is low.
Check oil level and add oil if necessary. See engine
manual.
Engine is cold.
Use engine choke.
Spark plug cable is disconnected or damaged.
Connect spark plug cable or replace spark plug cable.
Main power switch is stuck in engine stop
position. *
Replace main power switch.
Key switch is defective. **
Replace key switch.
Main wire harness is disconnected or defective. Reconnect or replace main wire harness.
High engine speed at no load
Improperly adjusted high speed setting.
Reset high speed to 3600 - 3700 engine rpm at no load.
Worn engine governor.
Adjust or replace engine governor.
Machine will not drive
Main power switch is not turned ON. *
Turn main power switch ON.
Engine clutch switch is OFF. **
Turn engine clutch switch ON.
Hydrostatic drive is not engaged.
Close wheel motor bypass valve to engage drive.
Drive cable is disconnected or broken.
Reconnect or replace cable.
Clutch wire harness is disconnected or broken.
Reconnect or replace harness as
necessary.
Clutch does not work.
Replace clutch.
Ground drive belt is worn or broken.
Adjust or replace ground drive belt.
Ground Drive Pump is worn or not working.
Replace ground drive pump.
Wheel motor(s) worn or not working.
Replace wheel motor.
Summary of Contents for LineLazer IV 250SPS
Page 53: ...Notes 3A2593C Repair 53 Notes ...