Service Manual
Table Of Contents
- Revision History
- Preface
- Chapter 1 : Safety
- Chapter 2 : Specifications and Maintenance
- Chapter 3 : Troubleshooting
- Chapter 4 : Power Head Assembly
- Chapter 5 : Controls
- Chapter 6 : Charger and Battery
- Chapter 7 : Shrouds
- Chapter 8 : Motor Driver
- Chapter 9 : Battery Terminal
- Chapter 10 : Motor
- Appendix A: Foldout Drawings
- Electrical Schematic
- Electrical Schematic
Battery
BatteryTest
Whenprobingthebatterytocheckforvoltagewithavoltmeterprobe,donotforce
theprobeintothebattery.Thebatteryterminalcanbedamagedifspreadtoofar.
1.Placeavoltmeterprobebetweenthepositiveandnegativeterminalson
thebattery.
2.Batteryvoltageshouldbebetween43-62volts.Abatterythatisreading
voltageunder40voltsisoverdischargedandwillmostlikelynotrecover.If
themeasuredvoltageonthebatteryisover50vandthebatteryisplacedin
themower,butthemowerwillnotstart,thenthereisanissuewiththemower.
Note:Themotordriverwillstopthepowerheadusagewhenthebattery
reaches43.0volts.
BatteryVoltageRange
NumberofLights
VoltageRange
0Anythingunder51.00
151.1–53.99
254.0–56.99
357.0–59.99
4Anythingover60.0
Charger
ChargerTest
Whenthechargerreachesfullcapacity62.0volts,thechargerwillnolonger
charge.
1.Withthechargerpluggedin,placethenegativeleadonthenegativeterminal
andthepositiveontheOhmsymbolterminal.
2.Voltageshouldread4.2onthecommunicationterminalofthecharger.
Note:Whenthechargerisunplugged,thevoltagereadingwillslowlydrop.
ChargerandBattery:ServiceandRepairs
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60vWPMServiceManual
3429-828RevA