
6.1
Section 6… Troubleshooting
Problem
Cause
Remedy
Engine Will Not Turn
Over
Mower blade engagement switch is in “On” position
Press switch down to “Off” position
Drive lever(s) not in “Neutral” position
Joystick… press control lever down to “Neutral
Lock ” position
Twinstick… move drive levers out to “Neutral
Lock” position
Dead battery
Re-charge or replace battery
Blown fuse
Replace fuse and/or investigate cause and
correct
Stater Solenoid
Consult Dealer
Ignition Switch
Consult Dealer
Engine Starter
Consult Dealer
Other
Consult Engine Owner Manual or Dealer
Engine Turns Over but
Won’t Start
No Gas
Refuel gas tank, Clean or Replace fuel filter
Engine choke
Engine Cold… Pull choke to “On” position
Engine Warm… Push choke to “Off” position
Spark Plug
Clean and re-gap (Consult Engine Owner
Manual)
Ignition switch
Consult Dealer
Malfunctioning carburetor
Consult Dealer
Other
Consult Engine Owner Manual or Dealer
Engine Starts Hard
Fuel line clogged
Clean line, Replace fuel filter or Consult Dealer
Faulty fuel pump
Consult Dealer
Spark plug wire loose or shorted to ground
Check spark plug wires
Spark plug(s) faulty or improperly gapped
Clean & re-gap (Consult Engine Owner Manual)
Electronic ignition defective
Consult Dealer
Contaminated or maladjusted carburetor
Consult Dealer
Other
Consult Engine Owner Manual or Dealer
Engine Starts but
Runs Rough,
Erratically, Misfires,
Cuts Out, or
Overheats
Water in gasoline
Drain gasoline from fuel tank and carburetor bowl
- refuel with fresh gasoline
Fuel line clogged
Clean line, Replace fuel filter or Consult Dealer
Fuel tank vent hose pinched or restricted
Correct restriction
Faulty fuel pump
Consult Dealer
Maladjusted carburetor
Consult Dealer
Seat Safety Switch is working intermittently
Slow down on rough terrain. Inspect electrical
connection at seat switch.
Engine dies when Drive Control Lever(s) is/are in “Drive”
position
Check park brake… release brake to the “Off”
position
Air Intake Screen or Fins Clogged
Clean intake screen and fins
Other
Consult Engine Owner Manual or Dealer
Engine Excessive Oil
Consumption
Other
Consult Engine Owner Manual or Dealer
Mower Hydraulic Drive
has No/Low Power in
Either Direction
Steering linkage out of adjustment
Re-adjust drive linkage
Bypass / Tow valves open
Close Bypass valve
Traction drive belt is worn, loose, or broken
Install new traction drive belt
Air trapped in hydraulic system
Purge transaxles
Excessive loading
Reduce vehicle loading
Engine speed low
Adjust to correct rpm
Transaxle Oil Level is Low
Fill to proper level or Consult Dealer
Internal issue or leakage in drive transaxle
Consult Dealer
Other
Consult Dealer
Summary of Contents for CHALLENGER D510
Page 3: ...Safety Instructions and Operation...
Page 18: ...4 5 Section 4 Figure 1...
Page 19: ...4 6 Section 4 Figure 2...
Page 45: ...8 1 Section 8 Maintenance Record Date Hours Service Performed...
Page 46: ...Repair Parts SERIAL RANGE 21286001 ________ P 13540 Rev B 11 21...
Page 79: ......
Page 80: ...33...
Page 90: ...Warranty Policies and Procedures All Models BLN 50225_P18 Revision March 2019...